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Studies on Selected Plants and Microbes with Special Reference to Polyunsaturated Fatty Acids
Logaraj, T. V. (2010) Studies on Selected Plants and Microbes with Special Reference to Polyunsaturated Fatty Acids. PhD thesis, University of Mysore.
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Abstract
and PUFAs values were analysed. Strain improvement by mutagenesis and optimization of culture conditions for higher oil and PUFAs yields were carried out. Fat Producing medium favoured the growth, biomass build up and lipid production than the normal cultivation medium (PDB). Similarly, nitrogen limiting medium favoured more PUFAs content in the total lipid than nitrogen non limiting medium. The culture was subjected to UV and EMS mutagenesis and 21 putative mutants were obtained. Three selective mutants possessed more lipid and GLA contents. The supercritical CO2 extractions of avocado pulp oil and watermelon seed oil improved the oil yields, showed higher concentrations of PUFAs and are free from any solvent impurities. These quality oils were used for o/w emulsion preparations to serve as stabilized nutraceutical products. Also produced were ready to eat emulsion gels to be used in several food products in the form of thermo set gels, slurries, batters, disperses, solutions and emulsions which form a delivery system that can be eaten for health benefits. Thus the importance and utilization values of the w-6 and w-3 fatty acids from selected plant materials and a microbial source have been explored biotechnologically throughout the study.
| Item Type: | Thesis (PhD) |
|---|---|
| Uncontrolled Keywords: | plant materials, fatty acids, Polyunsaturated Fatty Acids, Nutraceuticals, microbials source |
| Subjects: | 500 Natural Sciences and Mathematics > 10 Plants 600 Technology > 08 Food technology > 19 Lipids-oils/fats 500 Natural Sciences and Mathematics > 07 Life Sciences > 04 Microbiology |
| Divisions: | Food Microbiology |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 01 Mar 2011 09:12 |
| Last Modified: | 28 Dec 2011 10:21 |
| URI: | http://ir.cftri.res.in/id/eprint/9947 |
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