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Antibacterial Properties of Secoisolariciresinol Diglucoside Isolated from Indian Flaxseed Cultivars.

Rajesha, J. and Ranga Rao, A. and Madhusudhan, B. and Karunakumar, M. (2010) Antibacterial Properties of Secoisolariciresinol Diglucoside Isolated from Indian Flaxseed Cultivars. Current Trends in Biotechnology and Pharmacy, 4 (1). pp. 551-560.

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Abstract

Secoisolariciresinol diglucoside (SDG) is an important lignan found in flaxseed and is an emerging source in the functional food area. In the present study, antibacterial properties of SDG extracts from hull, endosperm and flour fractions of Indian flaxseed (Linum usitatissimum) varieties (LVF-01 and GVF-03) were evaluated. The SDG extracts were tested against the six bacterial species Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis, Agrobacterium tumefaciens, Bacillus cereus, and Escherichia coli. The maximum SDG and phenolic contents were found to be 16.9 and 12.5 mg/g and 3.18 and 2.70 mg/g in hull fractions of LVF-01 and GVF-03 respectively, when compared to flour and endosperm fractions. Among the fractions, the hull fraction of LVF-01 showed maximum activity 31.5 mm at MIC 100 ppm against E. coli, while minimum inhibitory activity was 3.1 mm with MIC at 300 ppm against B. subtilis. Similarly, in the case of GVF-03, maximum activity (31.9 with MIC 150 ppm) of the hull fraction, whereas, its minimum inhibitory activity was (2.3 mm, with MIC 350 ppm) against B. subtilis, when compared to endosperm and flour ractions.

Item Type: Article
Uncontrolled Keywords: Flaxseed, lignans, SDG extracts, phenolics, HPLC, antibacterial properties
Subjects: 600 Technology > 08 Food technology > 19 Lipids-oils/fats > 01 Oilseeds
Divisions: Plant Cell Biotechnology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 14 Feb 2012 11:45
Last Modified: 21 Dec 2016 12:59
URI: http://ir.cftri.com/id/eprint/10625

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