Watermellon is one of the top sources of beta-crypoxanthin, which research suggests can protect against lung cancer. Watermellon is also a rich source of lycopene. There is no recommendations for how much lycopene you should consume in a day, research shows that nutrient may protect against several types of cancer, such as stomach and prostate.

Papaya is also very good for you , it helps break down the amino acids. A good way to serve Papayas is to cut lengthwise and discard seeds, combine chopped papaya, mango, red pepper, red onion, raspberries and lemon juice, and serve over grilled fish.