Journal of Food, Agriculture and Environment

Antimicrobial and antioxidative effects of defatted tea seed meal

Author(s):

Woo-Suk Bang ², Young-Min Chung ¹, Byung-Doo Lee ¹, Jin-Cheol Lee ³, Jong-Bang Eun ^1*

Recieved Date: 2009-06-08, Accepted Date: 2009-09-22

Abstract:

Antimicrobial and antioxidative effects of solvent extracts of defatted tea seed meal (DTSM) were investigated for possible utilization as food ingredients. Of the extracts from DTSM, the ethyl acetate-soluble fraction showed much stronger antibacterial activity against the Gram-positive bacteria, S. aureus, M. luteus and S. epidermidis, than did the control benzoic acid solution. It also exhibited stronger effects against the Gram-negative bacteria, E. coli, S. typhimurium and P. aeruginosa, than control. The ethyl acetate and butanol fractions displayed stronger antioxidant activity than BHA, BHT and α-tocopherol. The SC₅₀ of the butanol fraction was 16.2 µg/mL, which was higher than that of BHA. The solvent extract of DTSM could be a good source for antimicrobials and antioxidants.

Keywords:

Food ingredients, ethyl acetate and butanol fractions, DTSM, herbal medicine

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Journal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 3&4
Category: Food and Health
Pages: 32-36

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