Tropical fruits such as guava, mango, papaya and pineapple have a characteristic smell, diversified flavors and succulent pulps although sweet and acid. They are excellent source of carotenoids (β-carotene, α- carotene, α-cryptoxanthin and lycopene), vitamins (A, C and complex B) and minerals. In recent years, increasing attention has been paid to the role of diet in human health. Among antioxidant vitamins, vitamin C has many biological activities in human body reducing levels of C-reactive protein (CRP), a marker of inflammation and possibly a predictor of heart disease , the risk of arteriosclerosis and some forms of cancer