genistein

Introduction

Genistein is a naturally occuring protein tyrosine kinase (PTK) inhibitor, more selective than quercetin. It is also an isoflavone (phytoestrogen) & adversely affects viability of sperm in vitro.

Formed via enzymatic metabolism in the gastrointestinal tract from its precursor genistin & daidzin.

Laboratory

• genistein in serum/plasma

More general terms

• isoflavone
• polyphenol
• tyrosine kinase inhibitor

Component of

• cholecalciferol/genistein/glycine

Database

• PubChem: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3466
• PubChem: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5280961