期刊
JOURNAL OF NUTRITION
卷 140, 期 7, 页码 1363S-1368S出版社
OXFORD UNIV PRESS
DOI: 10.3945/jn.109.119784
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资金
- NCCIH NIH HHS [R01AT-002190, R01AT-003313] Funding Source: Medline
Equol [7-hydroxy-3-(4'-hydroxyphenyl)-chroman], an isoflavan produced by intestinal bacteria in response to soy isoflavone intake in some but not all humans, exhibits a wide range of biological properties. It exists as the diastereoisomers S-(-) equol and R-(+)equol. Intestinal bacteria produce exclusively S-(-)equol, which has selective affinity for estrogen receptor (ER)-beta. The evidence is conflicting on whether there is an advantage to producing S-(-)equol in response to soy isoflavone intakes, but the ability to now synthesize these diastereoisomers opens the way for future clinical trials to directly examine their potential in a number of hormone-dependent conditions. In this review, the plasma and urinary pharmacokinetics of S-(-)equol and R-(+)equol are reviewed and summarized, and some of the more recent evidence supporting potential biological effects of S-(-)equol is considered. J. Nutr. 140: 1363S-1368S, 2010.
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