Nutrikinetic analysis using population-based modeling revealed the order of appearance of five genistein phase II metabolites in plasma : ( @ ) genistein-@ ' ,@ - diglucuronide , ( @ ) genistein-@-sulfate , ( @ ) genistein-@ ' - sulfate-@-glucuronide , ( @ ) genistein-@ ' - glucuronide , and ( @ ) genistein-@-glucuronide , independent of the food matrix .