Tannins are essentials constituents in the physiology of many plants, protecting them from harmful physical and biological events. Tannins also have important nutraceutical properties: they are bioactive substances capable of producing beneficial effects in the body if they are ingested in the diet for long periods of time.
Tannins are molecules useful for the human health because of their antioxidant properties. They have the capacity to protect the tissues from the action of free radicals due to the cellular aging processes.
