जेनिइसतेइन आरो डेइडजेइनबादि आइसफ्लेबनफोरा माखासे लायफां नखरफोरावल’ मोननाय-जायो, मानोना बांसिन लायफांफोरानो मोनसे एनजाइम चेलकन गैया।
Isoflavones such as genistein and daidzein are found in only some plant families, because most plants do not have an enzyme, chalcone isomerase which converts a flavone precursor into an isoflavone.