期刊
FOOD MICROBIOLOGY
卷 27, 期 7, 页码 918-923出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fm.2010.05.009
关键词
Angiotensin converting enzyme inhibitory activity; Reducing activity; Anthocyanin content; Bacillus subtilis
资金
- National Science Council, ROC (Taiwan) [NSC 96-2313-B-002-001]
Food possessing anthocyanins, angiotensin converting enzyme (ACE) inhibitory activity or reducing activity show beneficial effect on human health. To develop healthy food, black soybeans were fermented with either Bacillus subtilis BCRC 14715 or Bacillus sp. CN11, or a mixture of both Bacillus spp. in the present study. The anthocyanin content, the ACE inhibitory activity and the reducing power of the fermented black soybean were then examined. It was found that the ACE inhibitory activity of the extracts of bean and viscous material from the fermented black soybeans varied with extraction solvents and starter organism, yet increased as the fermentation period was extended, regardless of starter organism. After 18 h of fermentation, the water extract of bean showed less ACE inhibitory activity than did the respective 80% ethanol extract. While the water extract of viscous material showed a higher ACE inhibitory activity than the respective ethanol extract With respect to extraction yield, it was found that the ACE inhibitor in the fermented black soybean could be extracted more efficiently with water than 80% ethanol. Fermentation with B. subtilis BCRC 14715 was also found to increase the anthocyanin content of black soybean and the reducing activity of the extracts. Finally, the 80% ethanol extract showed a higher reducing activity than the water extract. (C) 2010 Elsevier Ltd. All rights reserved.
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