When I first met Robert Parker in the 1980s he carried around papaya pills for after diner digestion. It makes sense since enzyme levels in papaya help aid in digestion.
But why the unripened fruits? It is because the enzymes decline as the fruit ripens. Raw papaya is picked when it is still green to retain all of its natural enzymatic qualities.
It is said the nutritional benefits of papaya are useful for women, as papaya leaves also works as a cure for menstrual pain. You can take papaya leaf, tamarind and salt along with water that is helpful in frequent pain in women menstruation cycle.
Papaya and its seeds also posses anti-parasitic characteristics which help controls the bowel and cure diseases such as acid reflux, heart burn and gastric problems.