An antioxidant is a molecule capable of inhibiting the oxidation of other molecules. Oxidation is a chemical reaction that transfers electrons from a substance to an oxidizing agent. Oxidation reactions can produce free radicals. Antioxidant found in co-product from fruits, such as mango, pineapple, guava and passion fruit. All the said, they are tropical exotic fruit. Nowadays tropical exotic fruit production, trade and consumption have increased significantly on domestic and international markets due to their attractive sensory properties and a growing recognition of their nutritional and therapeutic values.