Red grapes could be consumed as a small round fruit from the vine, as wine, juice or even spread on bread. The amount of flavonoids determines the richness in the red or purple pores and skin in the grape. Flavonoids are plant-based antioxidants that happen to be frequently found in the type of a flavonoid, beta-flavonoid or flavonol. Generic Viagra Flavonoids are polyphenol antioxidants naturally found in plants, are also called secondary metabolites. Research has demonstrated that flavonoids offers nutritional benefit by triggering enzymes that slow up the risk of some kinds of cancers, heart problems, and age-related degenerative diseases.