Persimmon contains a special substance called ellagic acid, and crab is a protein-rich food, when ellagic acid meets protein, it will condense, it will lead to the denaturation of the protein coagulation, it will increase the burden on the stomach and intestines, so it is best not to eat crab and persimmon at the same time.
Of course, if the amount of food is not very large, the impact on the stomach and intestines is not very large, when the mixture of persimmon juice and crab into the stomach, under the action of gastric acid, the coagulation begins to become smaller, and can begin to have mobility again. However, for people who do not have a lot of stomach acid secretion, if a large number of persimmons and crabs, then you will feel uncomfortable stomach, so it is best not to eat these two foods together as well.