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Cat. Number
080668908491525
Chemical Name
Daidzein
References
Synonyms
  • Isoflavone
Formal Name 7-​hydroxy-​3-​(4-​hydroxyphenyl)-​4H-​1-​benzopyran-​4-​one
CAS Number 486-66-8
Molecular Formula C15H10O4
Formula Weight 254.2
Formulation A crystalline solid
Purity >98%
λmax 249, 301 nm
Stability 2 years
Storage -20°C
Shipping Wet ice in continental US; may vary elsewhere
SMILES Oc1ccc(cc1)​c1coc2cc(O)​ccc2c1=O

Background Reading

Akiyama, T., Ishida, J., Nakagawa, S., et al. Genistein, a specific inhibitor of tyrosine-specific protein kinases. J Biol Chem 262(1) 5592-5595 (1987).

Lamartiniere, C.A., Cotroneo, M.S., Fritz, W.A., et al. Genistein chemoprevention: Timing and mechanisms of action in murine mammary and prostate. J Nutr 132 552S-558S (2002).

Size Global Purchasing
100 mg  
500 mg  
1 g  
5 g  

Description

Daidzein is an isoflavonoid phytoestrogenic compound found in soybeans, pea pods, clover, kudzu, and other legumes. The estimated human normal dietary intake of daidzein, primarily as glycosides, is 0 to 0.3 mg/kg. Daidzein is present in much greater amounts in nutritional supplements. Daidzein is inactive as a tyrosine-specific inhibitor of protein kinase activity, and can be used as a negative control for genistein.1 In adult animals, dietary genistein has numerous effects based on estrogen agonist/antagonist and antioxidant activities.2

1 Akiyama, T., Ishida, J., Nakagawa, S., et al. Genistein, a specific inhibitor of tyrosine-specific protein kinases. J Biol Chem 262(1) 5592-5595 (1987).

2 Lamartiniere, C.A., Cotroneo, M.S., Fritz, W.A., et al. Genistein chemoprevention: Timing and mechanisms of action in murine mammary and prostate. J Nutr 132 552S-558S (2002).

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