Article
Serum steroid hormones, sex hormone-binding globulin concentrations, and urinary hydroxylated estrogen metabolites in post-menopausal women in relation to daidzein-metabolizing phenotypes.
The Journal of steroid biochemistry and molecular biology - 1 Apr 2004
Frankenfeld Cara L, McTiernan Anne, Tworoger Shelley S, Atkinson Charlotte, Thomas Wendy K, Stanczyk Frank Z, Marcovina Santica M, Weigle David S, Weiss Noel S, Holt Victoria L, Schwartz Stephen M, Lampe Johanna W
Abstract excerpt
Equol and O-desmethylangolensin (O-DMA) are products of bacterial metabolism of daidzein, an isoflavone in soybeans; thus, the presence or absence of equol and/or O-DMA in urine is a marker of particular intestinal bacteria profiles. Plasma hormone concentrations may be lower in pre-menopausal women who harbor the bacteria capable of producing equol (equol producers) compared to women who do not (equol...
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