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Identification of difurocumenonol, a new antimicrobial compound from mango ginger (Curcuma amada Roxb.) rhizome.
Policegoudra, R. S. and Divakar, S. and Aradhya, S. M. (2007) Identification of difurocumenonol, a new antimicrobial compound from mango ginger (Curcuma amada Roxb.) rhizome. Journal of applied microbiology, 102 (6). pp. 1594-602. ISSN 1364-5072
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Abstract
AIM: The aim of the present work was to purify and characterize potential natural antibacterial compound from mango ginger (Curcuma amada Roxb.) rhizome. METHODS AND RESULTS: The mango ginger rhizome powder was sequentially extracted and screened for antibacterial activity by agar well diffusion method and broth dilution method. Nonpolar extracts of mango ginger showed high antibacterial activity against gram-positive bacteria with low minimum inhibitory concentration (60-180 ppm). Among five extracts of mango ginger, the chloroform extract demonstrated highest antibacterial activity. Antibacterial activity-guided fractionation of the chloroform extract by repeated silica gel column chromatography yielded pure compound. The purified antibacterial compound was analysed by UV, IR, LC-MS and 2D-HMQCT NMR spectra and was identified as a difurocumenonol, a novel compound not reported previously. CONCLUSIONS: Mango ginger extracts and isolated difurocumenonol demonstrated high antibacterial activity against gram-negative and gram-positive bacteria. SIGNIFICANCE AND IMPACT OF THE STUDY: A novel and natural antibacterial compound as well as mango ginger extracts can be used as food preservative to control the growth of food-borne pathogens and as a source of mango flavour.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | antibacterial activity, bactericidal, Curcuma amada, difurocumenonol, mango ginger, MIC, rhizome. |
| Subjects: | 600 Technology > 08 Food technology > 30 Spices/Condiments 600 Technology > 08 Food technology > 32 Antioxidants |
| Divisions: | Fermentation Technology and Bioengineering Fruit and Vegetable Technology |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 09 Aug 2008 04:52 |
| Last Modified: | 29 Dec 2016 11:19 |
| URI: | http://ir.cftri.res.in/id/eprint/1855 |
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