Maqui berries are very rich in anthocyanins, which are purple pigments with very high antioxidant activity. Specifically, maqui berries contain high levels of anthocyanins called delphinidins, which is also found in violas, delphiniums, and Concord grapes. But in maqui berry, these compounds are found in unusually high amounts. The delphinidins demonstrate potent anti-inflammatory activity, so they help to reduce the risk of a variety of degenerative diseases that involve inflammation. These pigments also inhibit the growth of colon cancer cells.