Guava is low in calories and fats but carry several vital vitamins, minerals, and antioxidant poly-phenolic and flavonoid compounds that play a pivotal role in the prevention of cancers, aging, infections, etc.
- The fruit is very rich source of soluble dietary fiber (5.4 g per 100 g of fruit, about 14% of DRA), which makes it a good bulk laxative. The fiber content helps protect the colon mucous membrane by decreasing exposure time to toxins as well as binding to cancer-causing chemicals in the colon.
- Guava-fruit is an excellent source of antioxidant vitamin-C. 100 g fresh fruit provides 228 mg of this vitamin, more than three times the required DRI (daily-recommended intake). Flesh just underneath its outer thick rind contains exceptionally higher levels of vitamin C than its inner creamy pulp.
- The fruit is a very good source of Vitamin-A, and flavonoids like beta-carotene, lycopene, lutein and cryptoxanthin. The compounds are known to have antioxidant properties and therefore essential for optimum health. Further, vitamin-A is also required for maintaining healthy mucusa and skin. Consumption of natural fruits rich in carotene is known to protect from lung and oral cavity cancers.