Daidzein

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** An isoflavone extract from soy, which is an inactive analog of the tyrosine kinase inhibitor genistein. It has antioxidant and phytoestrogenic properties. (NCI)

**Synonyms:** - 4',7-Dihydroxyisoflavone - 7-Hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one - DAIDZEIN - daidzein