The Paw paw leaves have many beneficial medicinal properties. Studies have demonstrated that these may have anti-cancer (due to the enzyme papain), anti-oxidative, anti-inflammatory and anti-bacterial actions. Paw Paw leaf contains beta-carotene, calcium, niacin, papain, tannins, and vitamin C. Paw paw leaf tea can be taken to detoxify the intestines and expel parasites, as the tannins in the leaf help to protect the intestine from re-infestation. Papaya tea is a great for improving digestion, the enzymes present breaking down tough proteins into amino acids.