Coumestans (phytoestrogens) a derivative of coumarin, are orgic compound in the class of Flavonoids (polyphenols), found abundantly in split peas, pinto beans, lima beans, alfalfa and clover sprouts, etc. Health Benefits 1. Hepatoprotective effect In the investigation of the effect of coumestans isolated form the leaves of W. calendulacea in paracetamol induced liver damage, revealed …