According to research , mango fruit has been found to protect against colon, breast, leukemia and prostate cancers. Several trial studies suggest that polyphenolic anti-oxidant compounds in mango are known to offer protection against breast and colon cancers.

Mango fruit is an excellent source of Vitamin-A and flavonoids like beta-carotene, alpha-carotene, and beta-cryptoxanthin. 100 g of fresh fruit provides 765 mg or 25% of recommended daily levels of vitamin A. Together; these compounds are known to have antioxidant properties and are essential for vision and immune function.
Fresh mango is a good source of potassium. 100 g fruit provides 156 mg of potassium while just 2 mg of sodium. Potassium is an important component of cell and body fluids that helps controlling heart rate and blood pressure.

It is also a very good source of vitamin-B6 (pyridoxine), vitamin-C and vitamin-E. Vitamin B-6 or pyridoxine is required for GABA hormone production within the brain. It also controls homocystiene levels within the blood, which may otherwise be harmful to blood vessels resulting in heart disease and stroke.
Additionally, mango peel is also rich in phytonutrients, such as the pigment antioxidants like carotenoids and polyphenols.
Passion fruit is good in vitamin C, providing about 30 mg per 100 g. Vitamin-C (ascorbic acid) is a powerful water soluble anti-oxidant. Consumption of fruits rich in vitamin C helps the body develop resistance against flu-like infectious agents and scavenge harmful, pro-inflammatory free radicals.

The fruit contains very good levels of vitamin-A and flavonoid antioxidants such as β-carotene and cryptoxanthin-β. Current research studies suggest that these compounds have antioxidant properties, and along with vitamin A are essential for good eye-sight.
Fresh passion fruit or granadilla is very rich in potassium. 100 g fruit pulp has about 348 mg of potassium. Potassium is an important component of cells and body fluids, and helps regulate heart rate and blood pressure.

Furthermore, granadilla is a very good source of minerals. Iron, copper, magnesium and phosphorus.