Papaya is the fruit of the Carica papaya plant.Papaya is an incredibly healthy tropical fruit.Papaya is a tropical fruit rich in vitamins C and A. It also contains an enzyme called papain, which is used to tenderize meat. Papaya has powerful antioxidant which can reduce oxidative stress and reduce the risk of various diseases. Preliminary research suggests that the antioxidants in papaya may reduce the risk of cancer. The high vitamin C and lycopene content of papaya can improve heart health and reduce the risk of heart disease.Papaya is a delicious fruit that is best enjoyed ripe.