(±)-Equol是大豆异黄酮（如黄豆苷和大豆黄素）的代谢产物——Equol的外消旋体。它对雌激素受体ERβ和ERα表现出激动活性，EC50值分别为74nM和200nM。

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-25~-15℃避光保存，有效期3年。

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[2]Gimenez I, Lou M, Vargas F, Alvarez-Guerra M, Mayoral JA, Martinez RM, Garay RP, Alda JO. Renal and vascular actions of equol in the rat. J Hypertens. 1997 Nov;15(11):1303-8. doi: 10.1097/00004872-199715110-00015. PMID: 9383180.