The açai or acai, in English Acai berry, is a berry that has nutritional properties of great value. These berries are an excellent source of antioxidants, in fact they are considered one of the fruits with the highest antioxidant content. Antioxidants are substances that protect cells. Acai berries are dark purple or purple in color, about the size of blueberries, and are native to the Amazon. They grow on palm trees called Asaí, in Latin Euterpe oleracea. Açai is a fruit from Brazil that is rich in antioxidants.