A large number of phytonutrients fall into the flavonoid category. They are found in a variety of plant foods.
The types of flavonoids include: Catechins- Green tea is an especially good source of catechins. The drink may help prevent certain types of cancer. Hesperidin- Found in citrus fruits, this flavonoid works as an antioxidant reducing inflammation in the body to help prevent chronic disease. Flavonols.- Quercetin is a well-studied type of flavonol. It is found in: Apples, Berries, Kale, Onions. Flavonols might help reduce people’s risk of asthma, certain types of cancer, and coronary heart disease.