... : 10,20,40,80%HPLC Appearance: Deep yellow to light yellow powderPlant Part Used: SeedExtract Solution: Grain ... legumes, including peanuts and chickpeas. Isoflavones are closely related to the antioxidant flavonoids found in other plants, vegetables and ... isoflavone.In contradiction to well known benefits of isoflavones, genistein acts as an oxidant (stimulating nitrate synthesis), and blocks ...