Onions, garlic, and their family members also contain flavonoids and phenols. White onions are not as rich in these antioxidant compounds as yellow and red, and shallots are especially high in polyphenol levels. Red onions are particularly rich in anthocyanins (also abundant in berries) and quercetin.6 Flavonoids such as quercetin can contribute to preventing damaged … Continue reading Homemade Garlic and Onions Soup: Preventing Damaged Cells From Advancing To Cancer