| Antioxidant activities of the water-soluble fraction in tempeh-like fermented soybean (GABA-tempeh). | |
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MedLine Citation:
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PMID: 17852485 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Tempeh is a traditional fermented soyfood native to Central Java, Indonesia; tempeh is prepared by salt-free aerobic fermentation using Rhizopus. Similar to miso, tempeh is also reported to be antioxygenic. In this study, we used a tempeh-like fermented soybean. First, soybean was incubated aerobically and then successively incubated anaerobically. Because the gamma-amino butyric acid (GABA) content was increased remarkably, we named this tempeh GABA-tempeh. The contents of other free amino acids and peptides were significantly higher in GABA-tempeh than in conventional tempeh. In this study, we compared the antioxidant activity of the water-soluble fraction in GABA-tempeh with that of soybean and conventional tempeh. The order of the antioxidant activity was shown as follows: GABA-tempeh > conventional tempeh > soybean. The components responsible for the antioxidant activity of GABA-tempeh were isoflavone aglycones, free amino acids, and peptides, which increased during aerobic and anaerobic fermentations. |
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Authors:
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N Watanabe; K Fujimoto; H Aoki |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: International journal of food sciences and nutrition Volume: 58 ISSN: 0963-7486 ISO Abbreviation: Int J Food Sci Nutr Publication Date: 2007 Dec |
Date Detail:
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Created Date: 2008-04-04 Completed Date: 2008-08-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9432922 Medline TA: Int J Food Sci Nutr Country: England |
Other Details:
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Languages: eng Pagination: 577-87 Citation Subset: IM |
Affiliation:
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Department of Food Science and Nutrition, Faculty of Human Ecology, Showa Women's University, 1-7-57 Taishido, Setagaya, Tokyo, Japan. nakamich@swu.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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analysis Antioxidants / analysis* Fermentation Food Technology / methods* Indonesia Isoflavones / analysis Peptides / analysis Rhizopus Soy Foods / analysis* Soybeans gamma-Aminobutyric Acid / analysis |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids; 0/Antioxidants; 0/Isoflavones; 0/Peptides; 56-12-2/gamma-Aminobutyric Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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