Peonidin is an anthocyanins (flavonals), in the group of Flavonoids (polyphenols), found abundantly in bilberry, blueberry, cherry, cranberry, peach, grape, etc. Health Benefits 1. Lung cancer In the demonstration of peonidin 3-glucoside (P3G) could significantly inhibit the invasion (P < 0.001), motility (P < 0.05), secretion of matrix metalloproteinase (MMP)-2, MMP-9, and urokinase-type plasminogen activator …