Food & Nutrition Science Notes
Isolation of a New Metabolite from Biotransformation of Daidzein by Aspergillus oryzae
2009 年 73 巻 8 号 p. 1877-1879
詳細
2009 年 73 巻 8 号 p. 1877-1879
Two compounds were isolated from biotransformation of daidzein, a soybean isoflavone, by Aspergillus oryzae. One was 6,7,8,4′-tetrahydroxyisoflavone, an A-ring dihydroxylated daidzein, and the other was a novel compound which had the cleaved B-ring of daidzein. The former was perhaps derived from 8-hydroxydaidzein and/or 6-hydroxydaidzein, and had high DPPH radical-scavenging activity.
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