Green papayas - vegetable and source of papain

Growing fast and everywhere - look at the quantity a single tree supplies. Hence Filipino have detected the use as vegetable. Delicious like other vegetable and easy to transport. Green papaya are hard and can be stored many days.
In medicine green papayas are scratched on the tree to bleed a white milky juice that is used to produce Papain - an enzyme used together with bromelain from pineapple-core and other enzyme in cancer and post surgery therapy. Hence papaya is like all fruits a tree with many most valuable uses.