You can eat. When the persimmon is basically mature, peel off the skin. After drying for a period of time, its own sugar will appear on the surface, which is called frost and is edible. The more frost, the better persimmon. But if it is not an authentic persimmon, there may be something else on the surface, and some unscrupulous vendors will smoke it with sulfur. Good persimmons are sweet, have no astringency, and are rich in minerals, iron and other human needs.

Elements, but pay special attention not to eat with crabs and turtles.