Items where Author is "Ravishankar, G. A."

Article

Ranga Rao, A. and Deepika, G. and Ravishankar, G. A. and Sarada, Ravi (2019) Industrial potential of carotenoid pigments from microalgae: Current trends and future prospects. Critical Reviews in Food Science and Nutrition, 59 (12). pp. 1880-1902. ISSN 1549-7852

Ranga Rao, A. and Deepika, G. and Ravishankar, G. A. and Sarada, R. (2018) Botryococcus as an alternative source of carotenoids and its possible applications – an overview. Critical Reviews in Biotechnology, 38 (4). pp. 541-558. ISSN 0738-8551

Ashwani, Sharma and Ravishankar, G. A. and Giridhar, P. (2017) Silver nitrate and 2-(N-morpholine) ethane sulphonic acid in culture medium promotes rapid shoot regeneration from the proximal zone of the leaf of Capsicum frutescens Mill. Plant Cell Tissue and Organ Culture, 129. pp. 175-180.

Anila, N. and Daris, P. Simon and Arun, Chandrashekar and Ravishankar, G. A. and Sarada, R. (2016) Metabolic engineering of Dunaliella salina for production of ketocarotenoids. Photosynthesis Research, 127. pp. 321-333.

Ranga Rao, A. and Sarada, R. and Shylaja, M. Dharmesh and Ravishankar, G. A. (2015) Evaluation of hepatoprotective and antioxidant activity of astaxanthin and astaxanthin esters from microalga-Haematococcus pluvialis. Journal of Food Science and Technology, 52 (10). pp. 6703-6710. ISSN 0022-1155

Mallikarjun Gouda, K. G. and Udaya Sankar, K. and Sarada, R. and Ravishankar, G. A. (2015) Supercritical CO2 extraction of functional compounds from Spirulina and their biological activity. Journal of Food Science and Technology, 52 (6). pp. 3627-3633.

Ranga Rao, A. and Siew Moi, Phang and Sarada, R. and Ravishankar, G. A. (2014) Astaxanthin: Sources, Extraction, Stability, Biological Activities and Its Commercial Applications—A Review. Marine Drugs, 12. pp. 128-152.

Vidyashankar, S. and Deviprasad, K. and Chauhan, V. S. and Ravishankar, G. A. and Sarada, R. (2013) Selection and evaluation of CO2 tolerant indigenous microalga Scenedesmus dimorphus for unsaturated fatty acid rich lipid production under different culture conditions. Bioresource Technology, 144. pp. 28-37. ISSN 0960-8524

Saini, R. K. and Akitha Devi, M. K. and Giridhar, P. and Ravishankar, G. A. (2013) Augmentation of major isoflavones in Glycine max L. through the elicitor-mediated approach. Acta Botanica Croatica, 72 (2). pp. 311-322.

Kavitha, M. D. and Anila, N. and Ravishankar, G. A. and Sarada, R. (2013) Effect of metabolic inhibitors on growth and carotenoid production in Dunaliella bardawil. Journal of Food Science and Technology, 50 (6). pp. 1130-1136. ISSN 0022-1155

Saini, R. K. and Saad, K. R. and Ravishankar, G. A. and Giridhar, P. and Shetty, N. P. (2013) Genetic diversity of commercially grown Moringa oleifera Lam. cultivars from India by RAPD, ISSR and cytochrome P450-based markers. Plant Systematics and Evolution, 299. pp. 1205-1213.

Padma, N. Mallaya and Ravishankar, G. A. (2013) In vitro propagation and genetic fidelity study of plant regenerated from inverted hypocotyl explants of eggplant (Solanum melongena L.) cv. Arka Shirish. 3 Biotech, 3. pp. 45-52.

Ranga Rao, A. and Baskaran, V. and Sarada, R. and Ravishankar, G. A. (2013) In vivo bioavailability and antioxidant activity of carotenoids from microalgal biomass — A repeated dose study. Food Research International, 54. pp. 711-717.

Ranga Rao, A. and Ravishankar, G. A. and Sarada, R. (2012) Cultivation of green alga Botryococcus braunii in raceway, circular ponds under outdoor conditions and its growth, hydrocarbon production. Bioresource Technology, 123. pp. 528-533. ISSN 0960-8524

Ramakrishna, Akula and Giridhar, P. and Udaya Sankar, K. and Ravishankar, G. A. (2012) Endogenous profiles of indoleamines: serotonin and melatonin in different tissues of Coffea canephora P ex Fr. as analyzed by HPLC and LC-MS-ESI. fermentation: parameter optimization and application for N-acetyl chitooligosaccharides preparation from chitin. Acta Physiologiae Plantarum, 34. 393–-396.

Giridhar, P. and Mahendranath, Gondi and Akshatha, Venugopalan and Ravishankar, G. A. (2012) Enhanced Yield of Food Colourant Annatto from Seeds of Bixa orellana L.: The Efficacy of Polyamines Floral Spray. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 82 (4). pp. 553-556.

Gururaj, H. B. and Padma, N. Mallaya and Giridhar, P. and Ravishankar, G. A. (2012) Functional validation of Capsicum frutescens aminotransferase gene involved in vanillylamine biosynthesis using Agrobacterium mediated genetic transformation studies in Nicotiana tabacum and Capsicum frutescens calli cultures. Plant Science, 195 . pp. 96-105.

Sri Harsha, P. S. C. and Imtiyaj Khan, Mohammad and Giridhar, P. and Ravishankar, G. A. (2012) In vitro propagation of Rivina humilis L. through proliferation of axillary shoots and shoot tips of mature plants. Indian Journal of Biotechnology. pp. 481-485. ISSN 0972-5849

Ramakrishna, A. and Giridhar, P. and Jobin, M. and Paulose, C. S. and Ravishankar, G. A. (2012) Indoleamines and calcium enhance somatic embryogenesis in Coffea canephora P ex Fr. Plant Cell Tissue and Organ Culture, 108. pp. 267-278.

Gururaj, H. B. and Giridhar, P. and Ravishankar, G. A. (2012) Laminarin as a potential non-conventional elicitor for enhancement of capsaicinoid metabolites. Asian Journal of Plant Science and Research, 2 (4). pp. 490-495.

Ramakrishna, A. and Giridhar, P. and Udaya Sankar, K. and Ravishankar, G. A. (2012) Melatonin and serotonin profiles in beans of Coffea species. Journal of Pineal Research, 52. pp. 470-476.

Imtiyaj Khan, Mohammad and Sri Harsha, P. S. C. and Giridhar, P. and Ravishankar, G. A. (2012) Pigment identification, nutritional composition, bioactivity, and in vitro cancer cell cytotoxicity of Rivina humilis L. berries, potential source of betalains. LWT - Food Science and Technology, 47. pp. 315-323.

Devi, M. K. and Sakthivelu, G. and Giridhar, P. and Ravishankar, G. A. (2012) Protocol for augmented shoot organogenesis in selected variety of soybean [Glycine max L. (Merr.)]. Indian Journal of Experimental Biology, 50 (10). pp. 729-734. ISSN 0019-5189

Saini, R. K. and Shetty, N. P. and Giridhar, P. and Ravishankar, G. A. (2012) Rapid in vitro regeneration method for Moringa oleifera and performance evaluation of field grown nutritionally enriched tissue cultured plants. 3 Biotech, 2 (3). pp. 187-192.

Ramakrishna, A. and Giridhar, P. and Ravishankar, G. A. (2011) Phytoserotonin. Plant Signaling and Behavior, 6 (6). pp. 800-809.

Parimalan, R. and Mahendranath, G. and Giridhar, P. and Ravishankar, G. A. (2011) Abiotic Elicitor Mediated Augmentation Of Annatto Pigment Production In Standing Crop Of Bixa Orellana L. Indian Journal of Fundamental and Applied Life Sciences, 1 (4). pp. 229-236. ISSN 2231-6345

Imtiyaj Khan, Mohammad and Denny Joseph, K. M. and Dr., Muralidhara and Ramesh, H. P. and Giridhar, P. and Ravishankar, G. A. (2011) Acute, subacute and subchronic safety assessment of betalains rich Rivina humilis L. berry juice in rats. Food and Chemical Toxicology, 49. pp. 3154-3157.

Mahendranath, Gondi and Akshatha, Venugopalan and Parimalan, R. and Giridhar, P. and Ravishankar, G. A. (2011) Annatto pigment production in root cultures of Achiote (Bixa orellana L.). Plant Cell Tissue and Organ Culture, 106. pp. 517-522.

Imtiyaj Khan, Mohammad and Sri Harsha, P. S. C. and Giridhar, P. and Ravishankar, G. A. (2011) Berberine and lycopene profiling during the ontogeny of Tinospora cordifolia (Willd.) Miers ex Hook. F. & Thoms fruit. Current Science, 100 (8). pp. 1225-1231.

Ashwani, Sharma and Ranga Rao, A. and Dayananda, C. and Sarada, R. and Ravishankar, G. A. (2011) Botryococcus braunii, a New Elicitor for Secondary Metabolite Production in Capsicum frutescens. Functional Plant Science and Biotechnology, 5 (1). pp. 9-13.

Ramakrishna, Akula and Giridhar, P. and Ravishankar, G. A. (2011) Calcium and calcium ionophore A23187 induce high-frequency somatic embryogenesis in cultured tissues of Coffea canephora P ex Fr. In Vitro Cellular and Developmental Biology - Plant, 47. pp. 667-673.

Parimalan, R. and Giridhar, P. and Ravishankar, G. A. (2011) Enhanced Shoot Organogenesis in Bixa Orellana L. in the Presence of Putrescine and Silver Nitrate. Plant Cell Tissue and Organ Culture, 105. pp. 285-290.

Anila, N. and Chandrashekar, A. and Ravishankar, G. A. and Sarada, R. (2011) Establishment of Agrobacterium tumefaciens-mediated genetic transformation in Dunaliella bardawil. European Journal of Phycology, 46 (1). pp. 36-44.

Sridevi, V. and Giridhar, P. and Ravishankar, G. A. (2011) Evaluation of Roasting and Brewing effect on Antinutritional Diterpenes-Cafestol and Kahweol in Coffee. Global Journal of Medical Research, 11 (5). pp. 1-7.

Akshatha, Venugopalan and Giridhar, P. and Ravishankar, G. A. (2011) Food, Ethanobotanical and Diversified Applications of Bixa Orellana L.: A Scope for its Improvement through Biotechnological Mediation. Indian Journal of Fundamental and Applied Life Sciences, 1 (4). pp. 9-31. ISSN 2231-6345

Mahendranath, G. and Akshatha, Venugopalan and Giridhar, P. and Ravishankar, G. A. (2011) Improvement of Annatto Pigment Yield in Achiote Through Laminarin Spray : An Ecofriendly Approach. International Journal of Agriculture Environment and Biotechnology, 4 (2). pp. 163-166.

Akshatha, Venugopalan and Giridhar, P. and Ravishankar, G. A. (2011) Morphological diversity in Bixa orellana L. and variations in annatto pigment yield. Journal of Horticultural Science and Biotechnology, 86 (4). pp. 319-324.

Ramakrishna, A. and Dayananda, C. and Giridhar, P. and Rajasekaran, T. and Ravishankar, G. A. (2011) Photoperiod influences endogenous indoleamines in cultured green alga Dunaliella bardawil. Indian Journal of Experimental Biology. ISSN 0019-5189

Imtiyaj Khan, Mohammad and Sri Harsha, P. S. C. and Giridhar, P. and Ravishankar, G. A. (2011) Pigment identification, Antioxidant activity, and Nutrient composition of Tinospora cordifolia (willd.) Miers ex Hook. f & Thoms fruit. International Journal of Food Sciences and Nutrition, 62 (3). pp. 239-249.

Parimalan, R. and Akshatha, Venugopalan and Giridhar, P. and Ravishankar, G. A. (2011) Somatic embryogenesis and Agrobacterium-mediated transformation in Bixa orellana L. Plant Cell Tissue and Organ Culture, 105. pp. 317-328.

Amudha, Senthil and Mamatha, B. S. and Prema, Viswanath and Bhat, K. K. and Ravishankar, G. A. (2011) Studies on Development and Storage Stability of Instant Spice Adjunct Mix from Seaweed (Eucheuma). Journal of Food Science and Technology, 48 (6). pp. 712-717.

Sridevi, V. and Giridhar, P. and Ravishankar, G. A. (2010) Free diterpenes cafestol and kahweol in beans and in vitro cultures of Coffea species. Current Science, 99 (8). pp. 1101-1104.

Ranga Rao, A. and Raghunath Reddy, R. L. and Baskaran, V. and Sarada, R. and Ravishankar, G. A. (2010) Characterization of Microalgal Carotenoids by Mass Spectrometry and Their Bioavailability and Antioxidant Properties Elucidated in Rat Model. Journal of Agricultural and Food Chemistry, 58 (15). pp. 8553-8559.

Sridevi, V. and Giridhar, P. and Simmi, P. S. and Ravishankar, G. A. (2010) Direct shoot organogenesis on hypocotyl explants with collar region from in vitro seedlings of Coffea canephora Pierre ex. Frohner cv. C 3 R and Agrobacterium tumefaciens-mediated transformation. Plant Cell Tissue and Organ Culture, 101. pp. 339-347.

Ranga Rao, A. and Sarada, R. and Ravishankar, G. A. (2010) Enhancement of Carotenoids in Green Alga-Botryococcus braunii in Various Autotrophic Media under Stress Conditions. International Journal of Biomedical and Pharmaceutical Sciences, 4 (2). pp. 87-92.

Dayananda, C. and Kumudha, A. and Sarada, R. and Ravishankar, G. A. (2010) Isolation, characterization and outdoor cultivation of green microalgae Botryococcus sp. Scientific Research and Essays , 5 (17). pp. 2497-2505.

Kumudha, Anantharajappa and Selva Kumar, Sagaya and Thakur, M. S. and Ravishankar, G. A. and Sarada, R. (2010) Purification, Identification, and Characterization of Methylcobalamin from Spirulina platensis. Journal of Agricultural and Food Chemistry, 58. pp. 9925-9930.

Giridhar, P. and Sowmya, K. S. and Ramakrishna, A. and Ravishankar, G. A. (2010) Rapid Clonal Propagation and Stevioside Profiles of Stevia rebaudiana Bertoni. International Journal of Plant Developmental Biology, 4 (1). pp. 47-52.

Vinod, Kumar and Giridhar, Parvatam and Ravishankar, G. A. (2009) AgNO3 - a potential regulator of ethylene activity and plant growth modulator. Electronic Journal of Biotechnology, 12 (2). pp. 1-15.

Kathiresan, S. and Chandrashekar, A. and Ravishankar, G. A. and Sarada, R. (2009) Agrobacterium-Mediated Transformation In The Green Alga Haematococcus Pluvialis (Chlorophyceae, Volvocales). Journal of Phycology, 45. pp. 642-649.

Vinod, Kumar and Ravishankar, G. A. (2009) Current Trends in Producing Low Levels of Caffeine in Coffee Berry and Processed Coffee Powder. Food Reviews International, 25. pp. 175-197.

Rajesha, Madhusudhan and Mahadevaswamy, M. Jagannatha Rao and Ravishankar, G. A. and Rangarao, A. (2009) Effects of flaxseed and spirulina biomass in layer diet on lipid profile and quality characteristics of egg yolk. Journal of Food Science and Technology, 46 (6). pp. 509-514.

Sridevi, V. and Giridhar, Parvatam and Ravishankar, G. A. (2009) Endogenous polyamine profiles in different tissues of Coffea sp., and their levels during the ontogeny of fruits. Acta Physiologiae Plantarum, 31. pp. 757-764.

Vidhyavathi, Raman and Sarada, Ravi and Ravishankar, G. A. (2009) Expression of carotenogenic genes and carotenoid production in Haematococcus pluvialis under the influence of carotenoid and fatty acid synthesis inhibitors. Enzyme and Microbial Technology, 45 (2). pp. 88-93. ISSN 0141-0229

Akitha Devi, M. K. and Gondi, Mahendranath and Sakthivelu, G. and Giridhar, P. and Rajasekaran, T. and Ravishankar, G. A. (2009) Functional attributes of soybean seeds and products, with reference to isoflavone content and antioxidant activity. Food Chemistry, 114 (3). pp. 771-776. ISSN 0308-8146

Ranga, Rao and Sarada, A. R. and Baskaran, V. and Ravishankar, G. A. (2009) Identification of Carotenoids from Green Alga Haematococcus pluvialis by HPLC and LC-MS (APCI) and Their Antioxidant Properties. Journal of Microbiology and Biotechnology, 19 (11). pp. 1333-1341.

Ramakrishna, A. and Giridhar, P. and Ravishankar, G. A. (2009) Indoleamines and calcium channels influence morphogenesis in in vitro cultures of Mimosa pudica L. Plant Signaling and Behavior, 4 (12). pp. 1136-1141.

Parimalan, R. and Giridhar, P. and Gururaj, H. B. and Ravishankar, G. A. (2009) Micropropagation of Bixa orellana using phytohormones and triacontanol. Biologia Plantarum, 53 (2). pp. 347-350.

Sandesh Kamath, B. and Srikanta, B. M. and Shylaja, M. Dharmesh and Sarada, R. and Ravishankar, G. A. (2009) Ulcer preventive and antioxidative properties of astaxanthin from Haematococcus pluvialis. European Journal of Pharmacology, 590. pp. 387-395.

Rajasekaran, T. and Ramakrishna, A. and Udaya Sankar, K. and Giridhar, P. and Ravishankar, G. A. (2008) Analysis of Predominant Steviosides in Stevia rebaudiana Bertoni by Liquid Chromatography/Electrospray Ionization-Mass Spectrometry. Food Biotechnology, 22. pp. 179-188.

Sreedhar, R. V. and Venkatachalam, L. and Thimmaraju, R. and Bhagyalakshmi, N. and Narayan, M. S. and Ravishankar, G. A. (2008) Direct organogenesis from leaf explants of Stevia rebaudiana and cultivation in bioreactor. Biologia Plantarum, 52 (2). pp. 355-360.

Sandesh Kamath, B. and Vidhyavathi, R. and Sarada, R. and Ravishankar, G. A. (2008) Enhancement of carotenoids by mutation and stress induced carotenogenic genes in Haematococcus pluvialis mutants. Bioresource Technology, 99. pp. 8667-8673. ISSN 0960-8524

Ashwani, Sharma and Vinod, Kumar and Giridhar, Parvatam and Ravishankar, G. A. (2008) Induction of in vitro flowering in Capsicum frutescens under the influence of silver nitrate and cobalt chloride and pollen transformation. Electronic Journal of Biotechnology, 11 (2). pp. 1-6.

Sakthivelu, G. and Akitha Devi, M. K. and Giridhar, P and Rajasekaran, T and Ravishankar, G. A. and Nikolova, M T and Angelov, G B and Todorova, R M and Kosturkova, G P (2008) Isoflavone composition, phenol content, and antioxidant activity of soybean seeds from India and Bulgaria. Journal of Agricultural and Food Chemistry, 56 (6). pp. 2090-5. ISSN 0021-8561

Parimalan, R. and Giridhar, P. and Ravishankar, G. A. (2008) Mass multiplication of Bixa orellana L. through tissue culture for commercial propagation. Industrial Crops and Products, 28. pp. 122-127.

Vinod, Kumar and Giridhar, P. and Chandrashekar, A. and Ravishankar, G. A. (2008) Polyamines influence morphogenesis and caffeine biosynthesis in in vitro cultures of Coffea canephora P. ex Fr. Acta Physiologiae Plantarum, 30. pp. 217-223.

Vidhyavathi, Raman and Venkatachalam, Lakshmanan and Sarada, Ravi and Ravishankar, G. A. (2008) Regulation of carotenoid biosynthetic genes expression and carotenoid accumulation in the green alga Haematococcus pluvialis under nutrient stress conditions. Journal of Experimental Botany, 59 (6). pp. 1409-1418. ISSN 1460-2431

Vinod, Kumar and Satyanarayana, K. V. and Ramakrishna, A. and Chandrashekar, A. and Ravishankar, G. A. (2007) Evidence for localization of N-methyltransferase (MMT) of caffeine biosynthetic pathway in vacuolar surface of Coffea canephora endosperm elucidated through localization of GUS reporter gene driven by NMT promoter. Current Science, 93 (3). pp. 383-386.

Parimalan, R. and Giridhar, P. and Rajasekaran, T. and Ravishankar, G. A. (2007) Annatto Fruit Pericarp: Newer Source As a Potential Fuel. Energy & Fuels, 21. pp. 1181-1182.

Dayananda, C. and Sarada, R. and Usha Rani, M. and Shamala, T. R. and Ravishankar, G. A. (2007) Autotrophic cultivation of Botryococcus braunii for the production of hydrocarbons and exopolysaccharides in various media. Biomass and Bioenergy, 31. pp. 87-93.

Chidambara Murthy, K. N. and Dayananda, C. and Ravishankar, G. A. (2007) Blocking of Sterol Biosynthesis by Statin Enhances Carotenoid Production in Dunaliella. Functional Plant Science and Biotechnology, 1 (2). pp. 361-365.

Vanitha, A. and Narayan, M. S. and Murthy, K. N. C. and Ravishankar, G. A. (2007) Comparative study of lipid composition of two halotolerant alga, Dunaliella bardawil and Dunaliella salina. International journal of food sciences and nutrition, 58 (5). pp. 373-82. ISSN 0963-7486

Kathiresan, S. and Sarada, R. and Sila, Bhattacharya and Ravishankar, G. A. (2007) Culture media optimization for growth and phycoerythrin production from Porphyridium purpureum. Biotechnology and bioengineering, 96 (3). pp. 456-63. ISSN 0006-3592

Vidhyavathi, Raman and Venkatachalam, Lakshmanan and Kamath, Burde Sandesh and Sarada, Ravi and Ravishankar, G. A. (2007) Differential expression of carotenogenic genes and associated changes in pigment profile during regeneration of Haematococcus pluvialis cysts. Applied Microbiology and Biotechnology, 75 (4). pp. 879-87. ISSN 0175-7598

Rao, A. Ranga and Dayananda, C. and Sarada, R. and Shamala, T. R. and Ravishankar, G. A. (2007) Effect of salinity on growth of green alga Botryococcus braunii and its constituents. Bioresource technology, 98 (3). pp. 560-4. ISSN 0960-8524

Vanitha, A. and Murthy, K. N. Chidambara and Kumar, Vinod and Sakthivelu, G. and Veigas, J. M. and Saibaba, P. and Ravishankar, G. A. (2007) Effect of the carotenoid-producing alga, Dunaliella bardawil, on CCl4-induced toxicity in rats. International journal of toxicology, 26 (2). pp. 159-67. ISSN 1091-5818

Ranga Rao, A. and Sarada, R. and Ravishankar, G. A. (2007) Influence of CO2 on growth and hydrocarbon production in Botryococcus braunii. Journal of Microbiology and Biotechnology, 17 (3). pp. 414-419. ISSN 1017-7825

Vinod, Kumar and Ramakrishna, A. and Ravishankar, G. A. (2007) Influence of different ethylene inhibitors on somatic embryogenesis and secondary embryogenesis from Coffea canephora P ex Fr. In Vitro Cellular and Developmental Biology - Plant, 43. pp. 602-607.

Dayananda, C. and Sarada, R. and Vinod, Kumar and Ravishankar, G. A. (2007) Isolation and characterization of hydrocarbon producing green alga Botryococcus braunii from Indian freshwater bodies. Electronic Journal of Biotechnology, 10 (1). pp. 79-91.

Gururaj, H. B. and Giridhar, P. and Ravishankar, G. A. (2007) Micropropagation of Tinospora cordifolia (Willd.) Miers ex Hook. F & Thoms – a multipurpose medicinal plant. Current Science, 92 (1). pp. 23-26.

Parimalan, Rangan and Giridhar, Parvatam and Harischandra, B. Gururaj and Ravishankar, G. A. (2007) Organogenesis from cotyledon and hypocotyl-derived explants of japhara (Bixa orellana L.). Acta Botanica Croatica, 66 (2). pp. 153-160. ISSN 0365–0588

Rajasekaran, T and Giridhar, P and Ravishankar, G. A. (2007) Production of steviosides in ex vitro and in vitro grown Stevia rebaudiana Bertoni. Journal of the Science of Food and Agriculture, 87 (3). 420-424 ; 25 ref..

Ranga Rao, A. and Sarada, R. and Ravishankar, G. A. (2007) Stabilization of astaxanthin in edible oils and its use as an antioxidant. Journal of the Science of Food and Agriculture, 87 (6). 957-965 ; 31 ref..

Mamatha, B. S. and Namitha, K. K. and Amudha, Senthil and Smitha, J. and Ravishankar, G. A. (2007) Studies on use of Enteromorpha in snack food. Food Chemistry, 101. pp. 1707-1713.

Vinod, Kumar and Madhava Naidu, M. and Ravishankar, G. A. (2006) Developments in coffee biotechnology—in vitro plant propagation and crop improvement. Plant Cell Tiss Organ Cult, 87. pp. 49-65.

Chidambara Murthy, K. N. and Rajasekaran, T. and Giridhar, P. and Ravishankar, G. A. (2006) Antioxidant property of Decalepis hamiltonii Wight & Arn*. Indian Journal of Experimental Biology, 44. pp. 832-837.

Ranga Rao, Ambati and Sarada, Ravi and Baskaran, V. and Ravishankar, G. A. (2006) Antioxidant Activity of Botryococcus braunii Extract Elucidated in Vitro Models. Journal of Agricultural and Food Chemistry, 54. pp. 4593-4599.

Rajesha, J. and Chidambara Murthy, K. N. and Karun Kumar, M. and Basavaraj, Madhusudhan and Ravishankar, G. A. (2006) Antioxidant potentials of flaxseed by in vivo model. Journal of Agricultural and Food Chemistry, 54 (11). 3794-3799 ; 48 ref..

Prasad, B. C. N. and Richa, Shrivastava and Ravishankar, G. A. (2006) Capsaicin: A Promising Multifaceted Drug from Capsicum spp. Evidence Based Integrative Medicine, 2 (3). pp. 142-166.

Prasad, B. C. N. and Kumar, Vinod and Gururaj, H. B. and Parimalan, R. and Giridhar, P. and Ravishankar, G. A. (2006) Characterization of capsaicin synthase and identification of its gene (csy1) for pungency factor capsaicin in pepper (Capsicum sp.). Proceedings of the National Academy of Sciences of the United States of America, 103 (36). pp. 13315-13320. ISSN 0027-8424

Savitha, B. C. and Thimmaraju, R. and Bhagyalakshmi, N. and Ravishankar, G. A. (2006) Different biotic and abiotic elicitors influence betalain production in Savithahairy root cultures of Beta vulgaris in shake-flask and bioreactor. Process Biochemistry, 41 (1). pp. 50-60. ISSN 1359-5113

Sarada, R. and Vidhyavathi, R. and Usha, D. and Ravishankar, G. A. (2006) An Efficient Method for Extraction of Astaxanthin from Green Alga Haematococcus pluvialis. Journal of Agricultural and Food Chemistry, 54. pp. 7585-7588.

Satyanarayana, K. V. and Chandrashekar, A. and Ravishankar, G. A. (2006) Evaluation of PCR-based methods for isolating flanking regions of genes. Molecular Biotechnology, 32. pp. 111-116. ISSN 1073-6085

Narasimha Prasad, B. C. and Gururaj, Harishchandra Bhaskar and Vinod, Kumar and Giridhar, Parvatam and Parimalan, Rangan and Sharma, Ashwani and Ravishankar, G. A. (2006) Influence of 8-methyl-nonenoic acid on capsaicin biosynthesis in in vivo and in vitro cell cultures of Capsicum spp. Journal of Agricultural and Food Chemistry, 54. pp. 1854-1859. ISSN 0021-8561

Dayananda, C. and Sarada, R. and Shamala, T. R. and Ravishankar, G. A. (2006) Influence of Nitrogen Sources on Growth, Hydrocarbon and Fatty Acid Production by <i>Botryococcus braunii</i>. Asian Journal of Plant Sciences, 5 (5). pp. 799-804.

Dayananda, C. and Sarada, R. and Srinivas, P. and Shamala, T. R. and Ravishankar, G. A. (2006) Presence of methyl branched fatty acids and saturated hydrocarbons from Botryococcene producing strain of Botryococcus braunii. Acta Physiologiae Plantarum, 28 (3). pp. 251-256.

Vinod, Kumar and Satyanarayana, K. V. and Sarala Itty, S. and Indu, E. P. and Giridhar, P. and Chandrashekar, A. and Ravishankar, G. A. (2006) Stable transformation and direct regeneration in Coffea canephora P ex. Fr. by Agrobacterium rhizogenes mediated transformation without hairy-root phenotype. Plant cell reports, 25 (3). pp. 214-222. ISSN 0721-7714

Santa Ram, A. and Indu, E. P. and Chandrashekar, A. and Ravishankar, G. A. and Ganesh, D. (2005) Identification of low caffeine coffees in some interspecific hybrids and their progenies. Journal of Plantation Crops, 33 (2). pp. 90-94.

Fayaz, Mohamed and Namitha, K. K. and Chidambara Murthy, K. N. and Mahadevaswamy, M. and Sarada, R. and Khanam, Salma and Subba Rao, P. V. and Ravishankar, G. A. (2005) Chemical Composition, Iron Bioavailability, and Antioxidant Activity of Kappaphycus alvarezzi (Doty). Journal of Agricultural and Food Chemistry, 53 (3). pp. 792-797.

Suresh, B. and Bais, H. P. and Raghavarao, K.S.M.S. and Ravishankar, G. A. (2005) Comparative evaluation of bioreactor design using Tagetes patula L. hairy roots as a model system. Process Biochemistry, 40. pp. 1509-1515.

Murthy, K. N. Chidambara and Rajesha, J. and Swamy, M. Mahadeva and Ravishankar, G. A. (2005) Comparative evaluation of hepatoprotective activity of carotenoids of microalgae. Journal of Medicinal Food, 8 (4). pp. 523-8. ISSN 1096-620X

Sandesh Kamath, B. and Ms, Shalini Chidambar and Brinda, B. R. and Kumar, M. A. and Sarada, R. and Ravishankar, G. A. (2005) Digital image processing-an alternate tool for monitoring of pigment levels in cultured cells with special reference to green alga Haematococcus pluvialis. Biosensors and Bioelectronics, 21. pp. 768-773. ISSN 0956-5663

Vinod, Kumar and Gururaj, H. B. and Narasimha Prasad, B. C. and Giridhar, P. and Ravishankar, G. A. (2005) Direct shoot organogenesis on shoot apex from seedling explants of Capsicum annuum L. Scientia Horticulturae, 106. pp. 237-246.

Dayananda, C. and Sarada, R. and Sila, Bhattacharya and Ravishankar, G. A. (2005) Effect of media and culture conditions on growth and hydrocarbon production by Botryococcus braunii. Process Biochemistry, 40. pp. 3125-3131.

Kumar, Vinod and Murthy, Kotamballi N Chidambara and Bhamid, Suresh and Sudha, C. G. and Ravishankar, G. A. (2005) Genetically modified hairy roots of Withania somnifera Dunal: a potent source of rejuvenating principles. Rejuvenation Research, 8 (1). pp. 37-45. ISSN 1549-1684

Giridhar, P. and Rajasekaran, T. and Ravishankar, G. A. (2005) Improvement of growth and root specific flavour compound 2-hydroxy-4-methoxy benzaldehyde of micropropagated plants of Decalepis hamiltonii Wight & Arn., under triacontanol treatment. Scientia Horticulturae, 106 . pp. 228-236.

Giridhar, P. and Gururaj, H. B. and Ravishankar, G. A. (2005) In Vitro Shoot Multiplication Through Shoot Tip Cultures of Decalepis Hamiltonii Wight & Arn., A Threatened Plant Endemic to Southern India. In Vitro Cellular and Developmental Biology - Plant, 41. pp. 77-80.

Thimmaraju, R. and Bhagyalakshmi, N. and Narayan, M. S. and Venkatachalam, L. and Ravishankar, G. A. (2005) In vitro culture of Pandanus amaryllifolius and enhancement of 2-acetyl-1-pyrroline, the major flavouring compound of aromatic rice, by precursor feeding of L-proline. Journal of the Science of Food and Agriculture, 85. pp. 2527-2534.

Chidambara Murthy, K. N. and Vanitha, A. and Rajesha, J. and Mahadevaswamy, M. and Sowmya, P. R. and Ravishankar, G. A. (2005) In vivo antioxidant activity of carotenoids from Dunaliella salina — a green microalga. Life Sciences, 76. pp. 1381-1390.

Chidambara Murthy, K. N. and Vanitha, A. and Rajesha, J. and Mahadevaswamy, M. and Sowmya, P. R. and Ravishankar, G. A. (2005) In vivo antioxidant activity of carotenoids from Dunaliella salina--a green microalga. Life Sciences, 76 (12). pp. 1381-90. ISSN 0024-3205

Satyanarayana, K. V. and Mr., Vinod Kumar and Chandrashekar, A. and Ravishankar, G. A. (2005) Isolation of promoter for N-methyltransferase gene associated with caffeine biosynthesis in Coffea canephora. Journal of Biotechnology, 119. pp. 20-25. ISSN 0168-1656

Suresh, B. and Ravishankar, G. A. (2005) Methyl jasmonate modulated biotransformation of phenylpropanoids to vanillin related metabolites using Capsicum frutescens root cultures. Plant Physiology and Biochemistry, 43. pp. 125-131.

Thimmaraju, R. and Bhagyalakshmi, N. and Vinod, Kumar and Venkatachalam, Lakshmanan and Reddampalli, V. Sreedhar and Ravishankar, G. A. (2005) Peroxidase production from hairy root cultures of red beet (Beta vulgaris). Electronic Journal of Biotechnology, 8 (2).

Giridhar, P and Rajasekaran, T and Ravishankar, G. A. (2005) Production of a root-specific flavour compound, 2-hydroxy-4-methoxy benzaldehyde by normal root cultures of Decalepis hamiltonii Wight and Arn (Asclepiadaceae). Journal of the Science of Food and Agriculture, 85. pp. 61-64.

Chidambara Murthy, K. N. and Rajesha, J. and Vanitha, A. and Mahadevaswamy, M. and Ravishankar, G. A. (2005) Protective effect of Dunaliella salina—A marine micro alga, against carbon tetrachloride-induced hepatotoxicity in rats. Hepatology Research, 33. pp. 313-319.

Suresh, B. and Sherkhane, P. D. and Kale, S. and Eapen, S. and Ravishankar, G. A. (2005) Uptake and degradation of DDT by hairy root cultures of Cichorium intybus and Brassica juncea. Chemosphere, 61 (9). pp. 1288-92. ISSN 0045-6535

Gururaj, H. B. and Giridhar, P. and Ashwani, Sharma and Prasad, B. C. N. and Ravishankar, G. A. (2004) In vitro clonal propagation of bird eye chilli (Capsicum frutescens Mill.). Indian Journal of Experimental Biology, 42. pp. 1136-1140.

Ravishankar, G. A. and Vasudha, Mudgil (2004) Producing natural colours biotechnologically. Science Reporter, 41 (11). pp. 9-14. ISSN 0036-8512

Brinda, B. R. and Sarada, R. and Sandesh Kamath, B. and Ravishankar, G. A. (2004) Accumulation of astaxanthin in flagellated cells of Haematococcus pluvialis – cultural and regulatory aspects. Current Science, 87 (9). pp. 1290-1295.

Vijaya Ramu, D. and Giridhar, P. and Ravishankar, G. A. (2004) Antimicrobial activity of Mimosa pudica. Asian Journal of Microbiology, Biotechnology and Environmental Sciences, 6 (4). pp. 551-552.

Giridhar, P. and Indu, E. P. and Vinod, K. and Chandrashekar, A. and Ravishankar, G. A. (2004) Direct somatic embryogenesis from Coffea arabica L. and Coffea canephora P ex Fr. under the influence of ethylene action inhibitor-silver nitrate. Acta Physiologiae Plantarum, 26 (3). pp. 299-305.

Gururaj, H. B. and Giridhar, P. and Ravishankar, G. A. (2004) Efficient clonal propagation method for Decalepis hamiltonii, an endangered shrub, under the influence of phloroglucinol. Indian Journal of Experimental Biology, 42 (4). pp. 424-4288. ISSN 0019-5189

Giridhar, P. and Ravishankar, G. A. (2004) Efficient micropropagation of Vanilla planifolia Andr. under influence of thiadiazuron, zeatin and coconut milk. Indian Journal of Biotechnology, 3. pp. 113-118.

Rudrappa, Thimmaraju and Bhagyalakshmi, N. and Ravishankar, G. A. (2004) In situ and Ex situ adsorption and recovery of betalains from hairy root cultures of Beta vulgaris. Biotechnology Progress, 20 (3). pp. 777-85. ISSN 8756-7938

Giridhar, P. and Indu, E. P. and Ravishankar, G. A. and Chandrasekar, A. (2004) Influence of triacontanol on somatic embryogenesis in Coffea arabica L. and Coffea canephora P. ex Fr. In Vitro Cellular and Developmental Biology - Plant, 40 (2). pp. 200-203.

Suresh, B. and Ravishankar, G. A. (2004) Phytoremediation--a novel and promising approach for environmental clean-up. Critical Reviews in Biotechnology, 24 (2-3). pp. 97-124. ISSN 0738-8551

Suresh, B. and Thimmaraju, R. and Bhagyalakshmi, N. and Ravishankar, G. A. (2004) Polyamine and methyl jasmonate-influenced enhancement of betalaine production in hairy root cultures of Beta vulgaris grown in a bubble column reactor and studies on efflux of pigments. Process Biochemistry, 39 (12). pp. 2091-2096.

Giridhar, P. and Rajasekaran, T. and Nagarajan, S. and Ravishankar, G. A. (2004) Production of 2-hydroxy-4-methoxybenzaldehyde in roots of tissue culture raised and acclimatized plants of Decalepis hamiltonii Wight & Arn., an endangered shrub endemic to Southern India and evaluation of its performance vis-a-vis plants from natural habitat. Indian Journal of Experimental Biology, 42 (1). pp. 106-10. ISSN 0019-5189

Giridhar, P. and Vinod, K. and Ravishankar, G. A. (2004) Somatic embryogenesis, organogenesis, and regeneration from leaf callus culture of Decalepis hamiltonii Wight & Arn., an endangered shrub. In Vitro Cellular and Developmental Biology - Plant, 40 (6). pp. 567-571.

Giridhar, P. and Vinod, K. and Indu, E. P. and Ravishankar, G. A. and Chandrasekar, A. (2004) Thidiazuron induced somatic embryogenesis in Coffea arabica L. and Coffea canephora P ex Fr. Acta Botanica Croatica, 63 (1). pp. 25-33. ISSN 0365–0588

Chidambara Murthy, K. N. and Vanitha, A. and Mahadevaswamy, M. and Ravishankar, G. A. (2003) Antioxidant and antimicrobial activity of Cissus quadrangularis L. Journal of Medicinal Food, 6 (2). pp. 99-105. ISSN 1096-620X

Giridhar, P. and Indu, E. P. and Vijaya Ramu, D. and Ravishankar, G. A. (2003) Effect of silver nitrate on in vitro shoot growth of coffee. Tropical Science, 43 (3). pp. 144-146.

Sudha, G. and Ravishankar, G. A. (2003) Elicitation of anthocyanin production in callus cultures of Daucus carota and involvement of calcium channel modulators. Current Science, 84 (6). pp. 775-779.

Thimmaraju, R. and Bhagyalakshmi, N. and Narayan, M. S. and Ravishankar, G. A. (2003) Food-grade chemical and biological agents permeabilize red beet hairy roots, assisting the release of betalaines. Biotechnology progress, 19 (4). pp. 1274-82. ISSN 8756-7938

Rajasekaran, T. and Ravishankar, G. A. and Obul Reddy, B. (2003) In vitro growth of Tagetes patula L. hairy roots, production of thiophenes and its mosquito larvicidal activity. Indian Journal of Biotechnology, 3. pp. 92-96.

Giridhar, P. and Vijaya Ramu, D. and Obul Reddy, B. and Rajasekaran, T. and Ravishankar, G. A. (2003) Influence Of Phenylacetic Acid On Clonal Propagation Of Decalepis Hamiltonii Wight & Arn: An Endangered Shrub. In Vitro Cellular and Developmental Biology - Plant , 39. pp. 463-467.

Sudha, G. and Ravishankar, G. A. (2003) Influence of methyl jasmonate and salicylic acid in the enhancement of capsaicin production in cell suspension cultures of Capsicum frutescens Mill. Current Science, 85 (8). pp. 1212-1217.

Sudha, G. and Ravishankar, G. A. (2003) Influence of putrescine on anthocyanin production in callus cultures of Daucus carota mediated through calcium ATPase. Acta Physiologiae Plantarum, 25 (1). pp. 69-75.

Thimmaraju, R. and Bhagyalakshmi, N. and Narayan, M. S. and Ravishankar, G. A. (2003) Kinetics of pigment release from hairy root cultures of Beta vulgaris under the influence of pH, sonication, temperature and oxygen stress. Process Biochemistry, 38. pp. 1069-1076.

Giridhar, P. and Vijaya Ramu, D. and Ravishankar, G. A. (2003) Phenyl acetic acid-induced in vitro shoot multiplication of Vanilla planifolia. Tropical Science, 43 (2). pp. 92-95.

Sudha, C. G. and Obul Reddy, B. and Ravishankar, G. A. and Seeni, S. (2003) Production of ajmalicine and ajmaline in hairy root cultures of Rauvolfia micrantha Hook f., a rare and endemic medicinal plant. Biotechnology Letters, 25 (8). pp. 631-636.

Rajasekaran, T. and Ravishankar, G. A. and Obul Reddy, B. (2003) Production of thiophenes from callus cultures of Tagetes patula L. and its mosquito larvicidal activity. Indian Journal of Experimental Biology, 41 (1). pp. 63-68. ISSN 0019-5189

Harsh Pal, Bais and Dattatreya, B. S. and Ravishankar, G. A. (2003) Production of volatile compounds by hairy root cultures of Cichorium intybus L under the influence of fungal elicitors and their analysis using solid-phase micro extraction gas chromatography–mass spectrometry. Journal of the Science of Food and Agriculture, 83. pp. 769-774.

Sudha, Govindaswamy and Ravishankar, G. A. (2003) Putrescine facilitated enhancement of capsaicin production in cell suspension cultures of Capsicum frutescens. Journal of Plant Physiology, 160 (4). pp. 339-46. ISSN 0176-1617

Harsh Pal, Bais and Ravishankar, G. A. (2003) Synergistic effect of auxins and polyamines in hairy roots of Cichorium intybus L. during growth, coumarin production and morphogenesis. Acta Physiologiae Plantarum, 25 (2). pp. 193-208.

Sudha, G. and Ravishankar, G. A. (2003) The role of calcium channels in anthocyanin production in callus cultures of Daucus carota. Plant Growth Regulation, 40. pp. 163-169.

Suresh, B. and Ritu, T. and Ravishankar, G. A. (2003) Vanilla Flavour Production Through Biotransformation Using Capsicum frutescens Root Cultures. Biocatalysis and Biotransformation, 21 (6). pp. 333-340.

Ramachandra Rao, S. and Usha, Tripathi and Ravishankar, G. A. (2002) Biotransformation of Digitoxin in Cell Cultures of Capsicum frutescens in the Presence of beta-cyclodextrin. Biocatalysis and Biotransformation, 20 (2). pp. 137-143.

Tripathi, Usha and Ramachandra Rao, S. and Ravishankar, G. A. (2002) Biotransformation of phenylpropanoid compounds to vanilla flavor metabolites in cultures of Haematococcus pluvialis. Process Biochemistry, 38. pp. 419-426.

Usha, Tripathi and Sarada, R. and Ravishankar, G. A. (2002) Effect of culture conditions on growth of green alga - Haematococcus pluvialis and astaxanthin production. Acta Physiologiae Plantarum, 24 (3). pp. 323-329.

Ravishankar, G. A. and Suresh, B. (2002) GM crops - a food biotechnology perspective. Souvenir of ICFOST-2002. pp. 3-11.

Sudha, G. and Ravishankar, G. A. (2002) Influence of calcium channel modulators in capsaicin production by cell suspension cultures of Capsicum frutescens Mill. Current Science, 83 (4). pp. 480-484.

Sarada, R. and Tripathi, Usha and Ravishankar, G. A. (2002) Influence of stress on astaxanthin production in Haematococcus pluvialis grown under different culture conditions. Process Biochemistry, 37. pp. 623-627.

Sudha, G. and Ravishankar, G. A. (2002) Involvement and interaction of various signaling compounds on the plant metabolic events during defense response, resistance to stress factors, formation of secondary metabolites and their molecular aspects. Plant Cell, Tissue and Organ Culture, 71 (3). pp. 181-212.

Sarada, R. and Sila, Bhattacharya and Ravishankar, G. A. (2002) Optimization of culture conditions for growth of the green alga Haematococcus pluvialis. World Journal of Microbiology and Biotechnology, 18 (6). 517-521, 19 ref..

Ramachandra Rao, S. and Ravishankar, G. A. (2002) Plant cell cultures: Chemical factories of secondary metabolites. Biotechnology Advances, 20 (2). pp. 101-153.

Obul Reddy, B. and Giridhar, P. and Ravishankar, G. A. (2002) The effect of triacontanol on micropropagation of Capsicum frutescens and Decalepis hamiltonii W and A. Plant Cell, Tissue and Organ Culture, 71 (3). pp. 253-258.

Sarada, R. and Sila, Bhattacharya and Suvendu, Bhattacharya and Ravishankar, G. A. (2002) A response surface approach for the production of natural pigment astaxanthin from green alga Haematococcus pluvialis: Effect of sodium acetate, culture age, and sodium chloride. Food Biotechnology, 16 (2). pp. 107-120.

Harsh Pal, Bais and Venkatesh, R. T. and Chandrashekar, A. and Ravishankar, G. A. (2001) Agrobacterium rhizogenes-mediated transformation of Witloof chicory – In vitro shoot regeneration and induction of flowering. Current Science, 80 (1). pp. 83-87.

Harsh Pal, Bais and Ravishankar, G. A. (2001) Cichorium intybus L – cultivation, processing, utility, value addition and biotechnology, with an emphasis on current status and future prospects. Journal of the Science of Food and Agriculture, 81. pp. 467-484.

Ramachandra Rao, S. and Tripathi, U. and Suresh, B. and Ravishankar, G. A. (2001) Enhancement of secondary metabolite production in hairy root cultures of Beta vulgaris and Tagetes patula under the influence of microalgal elicitors. Food Biotechnology, 15 (1). 35-46 ; 40 ref..

Obul Reddy, B. and Giridhar, P. and Ravishankar, G. A. (2001) In vitro rooting of Decalepis hamiltonii Wight & Arn., an endangered shrub, by auxins and root-promoting agents. Current Science, 81 (11). pp. 1479-1482.

Bais, H. P. and Sudha, G. and George, J. and Ravishankar, G. A. (2001) Influence Of Exogenous Hormones On Growth And Secondary Metabolite Production In Hairy Root Cultures Of Cichorium Intybus L. Cv. Lucknow Local. In Vitro Cellular & Developmental Biology - Plant, 37. pp. 293-299.

Bais, H. P. and Sudha, G. and Ravishankar, G. A. (2001) Influence of putrescine, silver nitrate and polyamine inhibitors on the morphogenetic response in untransformed and transformed tissues of Cichorium intybusand their regenerants. Plant Cell Reports, 20. pp. 547-555.

Bais, H. P. and Sudha, G. and Suresh, B. and Ravishankar, G. A. (2001) Permeabilization and in situ adsorption studies during growth and coumarin production in hairy root cultures of Cichorium intybus L. Indian Journal of Experimental Biology, 39 (6). pp. 564-71. ISSN 0019-5189

Harsh Pal, Bais and Sudha, G. and Ravishankar, G. A. (2001) Putrescine influences growth and production of coumarins in transformed and untransformed root cultures of witloof chicory (Cichorium intybus L. cv. Lucknow local). Acta Physiologiae Plantarum, 23 (3). pp. 319-327.

Giridhar, P. and Obul Reddy, D. and Ravishankar, G. A. (2001) Silver nitrate influences in vitro shoot multiplication and root formation in Vanilla planifolia Abdr. Current Science, 81 (9). pp. 1166-1170.

Usha, Tripathi and Venkateshwaran, G. and Sarada, R. and Ravishankar, G. A. (2001) Studies on Haematococcus pluvialis for improved production of astaxanthin by mutagenesis. World Journal of Microbiology and Biotechnology, 17 (2). 143-148, 26 ref..

Usha, Tripathi and Sarada, R. and Ravishankar, G. A. (2001) A culture method for microalgal forms using two-tier vessel providing carbon-dioxide environment: studies on growth and carotenoid production. World Journal of Microbiology and Biotechnology, 17 (4). 325-329, 14 ref..

Ravishankar, G. A. and Ramachandra Rao, S. (2000) Biotechnological Production of Phyto-Pharmaceuticals. Journal of Biochemistry Molecular Biology and Biophysics, 4. pp. 73-102.

George, J. and Bais, H. P. and Ravishankar, G. A. (2000) Biotechnological production of plant-based insecticides. Critical reviews in biotechnology, 20 (1). pp. 49-77. ISSN 0738-8551

Rao, S R and Ravishankar, G. A. (2000) Biotransformation of protocatechuic aldehyde and caffeic acid to vanillin and capsaicin in freely suspended and immobilized cell cultures of Capsicum frutescens. Journal of biotechnology, 76 (2-3). pp. 137-46. ISSN 0168-1656

Harsh Pal, Bais and Sudha, Govindaswamy and Ravishankar, G. A. (2000) Enhancement of Growth and Coumarin Production in Hairy Root Cultures of Witloof Chicory (Cichorium intybus L.cv.Lucknow local) under the Influence of Fungal Elicitors. Journal of Bioscience and Bioengineering, 90 (6). pp. 648-653.

Harsh Pal, Bais and Jacob, George. and Ravishankar, G. A. (2000) In vitro propagation of Decalepis hamiltonii Wight & Arn., an endangered shrub, through axillary bud cultures. Current Science, 79 (6). pp. 408-410.

George, J. and Bais, H. P. and Ravishankar, G. A. (2000) Optimization of Media Constituents for Shoot Regeneration from Leaf Callus Cultures of Decalepis hamiltonii Wight. & Arn. Horticulture Science, 35 (2). pp. 290-299.

Bais, H. P. and Sudha, G. S. and Ravishankar, G. A. (2000) Putrescine and Silver Nitrate Influences Shoot Multiplication, In Vitro Flowering and Endogenous Titers of Polyamines in Cichorium intybus L. cv. Lucknow Local. Journal of Plant Growth Regulation, 19 (2). pp. 238-248. ISSN 0721-7595

Harsh Pal, Bais and Sudha, G. and Suresh, B. and Ravishankar, G. A. (2000) Silver nitrate influences in vitro root formation in Decalepis hamiltonii wight and Arn. Current Science, 79. pp. 894-898.

Ramachandra Rao, S. and Ravishankar, G. A. (2000) Vanilla flavour: production by conventional and biotechnological routes. Journal of the Science of Food and Agriculture, 80. pp. 289-304.

George, J. and Ravishankar, G. A. and Keshava, U. N. and Udaya Sankar, K. (1999) Antibacterial activity of supercritical extract from Decalepis hamiltonii roots. Fitoterapia, 70. pp. 172-174.

Narayan, M. S. and Naidu, K. A. and Ravishankar, G. A. and Srinivas, L. and Venkataraman, L. V. (1999) Antioxidant effect of anthocyanin on enzymatic and non-enzymatic lipid peroxidation. Prostaglandins Leukotrienes and Essential Fatty Acids, 60 (1). pp. 1-4. ISSN 0952-3278

Jacob, George. and Divakar, S. and John, Pereira and Ravishankar, G. A. (1999) Bioinsecticide from swallowroot (Decalepis hamiltonii) Wight and Arn protects food grains against insect infestation. Current Science, 77 (4). pp. 501-502.

Ramachandra Rao, S. and Usha, Tripathi and Ravishankar, G. A. (1999) Biotransformation of codeine to morphine in freely suspended cells and immobilized cultures of Spirulina platensis. World Journal of Microbiology and Biotechnology, 15. pp. 465-469.

Ramachandra Rao, S. and Ravishankar, G. A. (1999) Biotransformation of isoeugenol to vanilla flavour metabolites and capsaicin in suspended and immobilized cell cultures of Capsicum frutescens: study of the influence of b-cyclodextrin and fungal elicitor. Process Biochemistry, 35. pp. 341-348.

Rajasekaran, T. and Madhusudan, R. and Ravishankar, G. A. (1999) Elicitation of thiophene production by cultured hairy roots of Tagetes patula. Acta Physiologiae Plantarum, 21 (3). 243-247 .

Bais, H. P. and George, J. and Ravishankar, G. A. (1999) Influence of Polyamines on Growth of Hairy Root Cultures of Witloof Chicory (Cichorium intybus L. cv. Lucknow Local) and Formation of Coumarins. Journal of Plant Growth Regulation, 18. pp. 33-37.

Madhusudhan, R. and Harsh Pal, Bais and Ravishankar, G. A. (1999) Osmolarity, conductivity, buffer capacity, and solubility of oxygen of plant cell culture media. Indian Journal of Experimental Biology, 37. pp. 66-69. ISSN 0019-5189

Sarada, R. and Pillai, Manoj G. and Ravishankar, G. A. (1999) Phycocyanin from Spirulina sp: influence of processing of biomass on phycocyanin yield, analysis of efficacy of extraction methods and stability studies on phycocyanin. Process Biochemistry, 34. pp. 795-801.

Usha, Tripathi and Sarada, R. and Ramachandra Rao, S. and Ravishankar, G. A. (1999) Production of astaxanthin in Haematococcus pluvialis cultured in various media. Bioresource Technology, 68 (2). 197-199, 16 ref.. ISSN S0960-8524

George, J. and Harsh Pal, Bais and Ravishankar, G. A. (1999) Production of esculin by hairy root cultures of chicory (Cichorium intybus L.cv. Lucknow local). Indian Journal of Experimental Biology, 37. pp. 269-273. ISSN 0019-5189

Bais, H. P. and Sudha, G. and Ravishankar, G. A. (1999) Putrescine Influences Growth and Production of Coumarins in Hairy Root Cultures of Witloof Chicory (Cichorium intybus L. cv. Lucknow Local). Journal of Plant Growth Regulation, 18:. pp. 159-165.

Akhilender Naidu, K. and Sarada, R. and Manoj, G. and Khan, M. Y. and Mahadevaswamy, M. and Viswanatha, S. and Narasimhamurthy, K. and Ravishankar, G. A. and Leela, Srinivas (1999) Toxicity assessment of phycocyanin - a blue colorant from blue green alga Spirulina platensis. Food Biotechnology, 13 (1). 51-56, 35 ref..

Sudhakar Johnson, T. and Sarada, R. and Ravishankar, G. A. (1998) Capsaicin formation in p-fluorophenylalanine resistant and normal cell cultures of Capsicum frutescens and activity of phenylalanine ammonia lyase. Journal of Biosciences, 23 (3). pp. 209-212. ISSN 0021-8561

Sudhakar Johnson, T. and Ravishankar, G. A. (1998) Precursor Biotransformation in Immobilized Placental Tissues of Capsicum frutescens Mill.:* II. Influence of Feeding Intermediates of the Capsaicinoid Pathway in Combination with L -Valine on Capsaicin and Dihydrocapsaicin Accumulation. Journal of Plant Physiology, 153. 240-243 . ISSN 0176-1617

George, P. S. and Ravishankar, G. A. (1997) In vitro multiplication of Vanilla planifolia using axillary bud explants. Plant Cell Reports, 16. pp. 490-494.

Umer Sharief, Md. and Jagadishchandra, K. S. and Sudhakar Johnson, T. and Ravishankar, G. A. (1997) Propagation of Artemisia pallens by encapsulated in vitro grown shoot buds. Journal of Medicinal and Aromatic Plant Sciences, 19. pp. 712-717.

Ramachandra Rao, S. and Sarada, R. and Ravishankar, G. A. (1996) Phycocyanin, a new elicitor for capsaicin and anthocyanin accumulation in plant cell cultures. Applied Microbiology and Biotechnology, 46. pp. 619-621.

Sudhakar Johnson, T. and Ravishankar, G. A. and Venkataraman, L. V. (1996) Biotransformation of ferulic acid and vanillylamine to capsaicin and vanillin in immobilized cell cultures of Capsicum frutescens. Plant Cell, Tissue and Organ Culture, 44 (2). 117-121, 16 ref..

George, J. and Ravishankar, G. A. (1996) Development of modified plant tissue culture media using alternate sources of nitrogen and vitamins for micropropagation. Indian Journal of Experimental Biology, 34. pp. 163-170.

Madhusudhan, R. and Ravishankar, G. A. (1996) Gradient of anthocyanin in cell aggregates of Daucus carota in suspension cultures. Biotechnology Letters, 18 (11). 1253-1256, 23 ref..

Sudhakar Johnson, T. and Priya Sethu, K. M. and Ravishankar, G. A. (1996) A Rapid method for Determining the viability of plant cells using a mixture of fluorescein diacetate and calcofluor white. Journal of Medicinal and Aromatic Plant Sciences, 18.

Rajasekaran, T. and Pereira, J. and Ravishankar, G. A. and Venkataraman, L. V. (1996) Repellency of callus derived pyrethrins to mosquito Culex quinquefasciatus Say and red flour beetle Tribolium castaneum Herbst. International Pest Control, 38 (5). pp. 154-156.

Venkataraman, L. V. and Bhagyalakshmi, N. and Ravishankar, G. A. (1995) Commercial production of micro and macro algae-problems and potentials. Indian Journal of Microbiology, 35 (1). pp. 1-19.

George, P. S. and Ravishankar, G. A. (1995) Induction of crocin and crocetins in callus cultures of Gardenia jasminoides Ellis. Food Biotechnology, 9 (1/2). 29-38, 9 ref..

Madhusudhan, R. and Ramachandra Rao, S. and Ravishankar, G. A. (1995) Osmolarity as a measure of growth of plant cells in suspension cultures. Enzyme and Microbial Technology, 17 (11). pp. 989-991.

Sudhakar Johnson, T. and Ravishankar, G. A. and Dhanaraj, S. (1995) Pungency threshold of capsaicin produced by in vitro culture of placental tissues of Capsicum frutescens Mill. Food Biotechnology, 9 (3). pp. 167-173.

Suvarnalatha, G. and Rajendran, L. and Ravishankar, G. A. and Venkataraman, L. V. (1994) Elicitation of anthocyanin production in cell cultures of carrot (Daucus carota L.) by using elicitors and abiotic stress. Biotechnology Letters, 16 (12). 1275-1280, 23 ref..

Rajendran, L. and Suvarnalatha, G. and Ravishankar, G. A. and Venkataraman, L. V. (1994) Enhancement of anthocyanin production in callus cultures of Daucus carota L. under the influence of fungal elicitors. Applied Microbiology and Biotechnology, 42 (2/3). 227-231, 32 ref..

Suvarnalatha, G. and Narayan, M. S. and Ravishankar, G. A. and Venkataraman, L. V. (1994) Flavour production in plant cell cultures of basmati rice (Oryza sativa L.). Journal of the Science of Food and Agriculture, 66 (4). 439-442, 19 ref..

Suvarnalatha, G. and Chand, N. and Ravishankar, G. A. and Venkataraman, L. V. (1993) Computer-aided modeling and optimization for capsaicinoid production by immobilized Capsicum frutescens cells. Enzyme and Microbial Technology, 15 (8). pp. 710-715. ISSN 0141-0229

Sudhakar Johnson, T. and Ravishankar, G. A. and Venkataraman, L. V. (1993) Hail hairy roots. Science Reporter, 30 (9). pp. 41-44.

Rajendran, L. and Ravishankar, G. A. and Venkararaman, L. V. and Prathiba, K. R. (1992) Anthocyanin production in callus cultures of Daucus carota as influenced by nutrient stress and osmoticum. Biotechnology Letters, 14 (8). 707-712, 18 ref..

Sujata, V. and Ravishankar, G. A. and Venkataraman, L. V. (1992) Methods for the analysis of the saffron metabolites crocin, crocetins, picrocrocin and safranal for the determination of the quality of the spice using thin-layer chromatography, high-performance liquid chromatography and gas chromatography. Journal of Chromatography, 624. pp. 497-502.

Johnson, T. S. and Ravishankar, G. A. and Venkataraman, L. V. (1992) Separation of capsaicin from phenylpropanoid compounds by high-performance liquid chromatography to determine the biosynthetic status of cells and tissues of Capsicum frutescens Mill. in vivo and in vitro. Journal of Agricultural and Food Chemistry, 40 (12). 2461-2463, 7 ref..

George, P. S. and Sujata, V. and Ravishankar, G. A. and Venkataraman, L. V. (1992) Tissue culture of saffron Crocus sativus (L.): Somatic embryogenesis and shoot regeneration. Food Biotechnology, 6 (3). pp. 217-223.

Rajasekaran, T and Ravishankar, G. A. and Rajendran, L and Venkataraman, L V (1991) Bioefficacy of pyrethrins extracted from callus tissues of Chrysanthemum cinerariaefolium. Pyrethrum Post, 18 (2). 52-54; 11 ref..

Ravishankar, G. A. and Grewal, C. (1991) Development of media for growth of Dioscorea deltoidea cells in in vitro diosgenin production: Influence of media constituents and nutrient stress. Biotechnology Letters, 13 (2). pp. 125-130.

Sudhakar Johnson, T. and Ravishankar, G. A. and Venkataraman, L. V. (1991) Elicitation of capsaicin production in freely suspended cells and immobilized cell cultures of Capsicum frutescens Mill. Food Biotechnology, 5 (2). 197-205, 18 ref..

Ravishankar, G. A. and Mehta, A. R. (1991) Glutamic acid-induced shoot differentiation in tobacco callus tissues and changes in nicotine content and in activities of aminotransferases, ornithine transcarbamylase, and arginase. Biochemistry International, 23 (4). pp. 679-87. ISSN 0158-5231

Sudhakar Johnson, T. and Ravishankar, G. A. and Venkataraman, L. V. (1991) In vitro capsaicin production by immobilized cells and placental tissues of Capsicum annuum L. grown in liquid medium. Plant Science, 70 (2). 223-229, 20 ref..

Rajasekaran, T. and Rajendran, L. and Ravishankar, G. A. and Venkataraman, L. V. (1991) Influence of nutrient stress on pyrethrin production by cultured cells of pyrethrum Chrysanthemum cinerariaefolium. Current Science, 60 (12). pp. 705-707.

Kathiresan, K. and Ravishankar, G. A. and Venkataraman, L. V. (1990) Auxin-phenol-induced rooting in a mangrove, Rhizophora apiculata Dlume. Current Science, 59 (3). pp. 430-432.

Ravishankar, G. A. and Venkataraman, L. V. (1990) Food applications of plant cell cultures. Current Science, 59 (19). pp. 914-920.

Visvanath, S. and Ravishankar, G. A. and Venkataraman, L. V. (1990) Induction of crocin, crocetin, picrocrocin, and safranal synthesis in callus cultures of saffron-Crocus sativus. Biotechnology and Applied Biochemistry, 12 (3). pp. 336-140.

Ravishankar, G. A. and Grewal, S. (1990) Influence of light on diosgenin and sterol production in Dioscorea deltoidea callus. Current Science, 59 (9). pp. 476-477.

Rajasekaran, T. and Rajendran, L. and Ravishankar, G. A. and Venkataraman, L. V. (1990) Influence of medium constituents on growth and pyrethrins production in callus tissues of pyrethrum (Chrysanthemum cinerariaefolium Vis.). Pyrethrum Post, 17 (4). pp. 121-124.

Ravishankar, G. A. and Rajasekaran, T. and Sarma, K. S. and Venkataraman, L. V. (1989) Production of pyrethrins in cultured tissues of pyrethrum (Chrysanthemum cinerariaefolium Vis.). Pyrethrum Post, 17 (2). pp. 66-69.

Ravishankar, G. A. and Sarma, K. S. and Venkataraman, L. V. and Kadyan, A. K. (1988) Effect of nutritional stress on capsaicin production in immobilized cell cultures of Capsicum annuum. Current Science, 57 (7). pp. 381-383.

Ravishankar, G. A. and Venkataraman, L. V. (1988) Rapid multiplication of plants from cultured axillary buds of Mentha piperita. Philippine Journal of Science, 117 (2). pp. 121-129.