Why can persimmons react badly with so many foods?

I ate 3 persimmons 2 nights ago and started having stomach pain yesterday.

You can't eat persimmons on an empty stomach.

Because persimmons contain more tannic acid and pectin, in the case of fasting, they will form hard lumps of different sizes under the action of gastric acid, if these hard lumps cannot reach the small intestine through the pylorus, they will remain in the stomach to form gastric persimmon stones, small gastric persimmon stones are initially like apricot kernels, but will accumulate larger and larger. If the persimmon stone cannot be expelled naturally, it will cause gastrointestinal obstruction, severe pain in the upper abdomen, vomiting, and even hematemesis. If the stomach has a "bottom", the formation of persimmon stones can be avoided.

Persimmon skin can not be eaten.

Some people feel that chewing the skin of persimmons while eating persimmons is more flavorful than eating persimmons alone, but in fact, this way of eating is unscientific. Because the vast majority of the tannin in persimmons is concentrated in the skin, when the persimmon is astringent, it is impossible to remove all the tannin in it, if you eat it with the skin, it is easier to form a gastric persimmon stone, especially when the astringency process is not perfect, the skin contains more tannins.

Do not eat with foods such as crab, fish, shrimp, etc., which contain high protein.

In traditional Chinese medicine, crabs and persimmons are both cold foods, so they should not be eaten together. From the point of view of modern medicine, crabs, fish, and shrimp with high protein are easy to coagulate into lumps under the action of tannic acid, that is, gastric persimmon stones.

Diabetics should not eat the sugars contained in persimmons, and most of them are simple disaccharides and monosaccharides (sucrose, fructose, and glucose belong to this category), so they are easily absorbed after eating, which increases blood sugar. It is even more harmful for people with diabetes, especially those with poor blood sugar control.

The tannic acid in persimmons can form compounds that cannot be absorbed by the human body with minerals such as calcium, zinc, magnesium, iron and other minerals in food, so that these nutrients cannot be utilized, so eating more persimmons can easily lead to the deficiency of these minerals. And because persimmons contain more sugar, people eat persimmons more satiety than eating the same amount of apples and raw pears, which will affect appetite and reduce the intake of meals. It is generally believed that it is advisable not to eat persimmons no more than 200 grams each time without an empty stomach.

Summary. If you eat too much, it will combine with calcium or magnesium in the body to form tannins stones, which affects the absorption of calcium or magnesium. Therefore, if you eat too many persimmons, it may cause the loss of calcium or the absorption of calcium, and in the long run, it will lead to osteoporosis.

If you eat too much, it will combine with calcium or magnesium in the body to form tannins stones, which affects the absorption of calcium or magnesium. Therefore, if you eat too many persimmons, it may cause the loss of calcium or the absorption of calcium, and in the long run, it will lead to osteoporosis.

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Persimmon nutrition is there, but eating too much will cause diarrhea and stomach discomfort.

It can't be eaten with crabs yet, food is not absolute, food is not poison, although from a chemical point of view, crab species are rich in protein, and persimmons contain tannic acid, and these two substances will react into hard lumps. But the amount of crab meat and persimmons you take is unknown, and there is no explanation why you don't have diarrhea when you eat crabs!

Crabs and persimmons are almost on the market together, and there are two "enemies" among the foods listed in ancient medical books.

What is "mutual restraint", as the name suggests, is that water and fire are incompatible.

The saying "crab and persimmon are mutually reinforcing" may come from the life experience of the ancients. According to my analysis, the key to the two should not be eaten together is persimmons. A healthy person will not be unbearable if he eats two or three crabs at a time, but persimmons are not.

Persimmon is cold, contains a lot of pectin and persimmon phenol, unripe persimmon also contains red tannin, persimmon phenol and red tannin can coagulate into a lump when it encounters gastric acid. That is, if you eat too much persimmon, the clot may turn into a hard lump - a gastric persimmon stone, causing damage to the gastric mucosa. Crab meat is rich in protein, and persimmons contain a lot of tannic acid, and the protein will also coagulate when it encounters tannic acid.

This is probably the origin of the saying "crabs and persimmons are mutually reinforcing".

Strangely, there are quite a lot of foods that are rich in protein and cold in nature, and the predecessors only mentioned crabs and did not mention anything else. This seems unfair.

A gourmand once told me that he was not convinced by this statement, and once conducted an autologous experiment, eating only one hairy crab and one persimmon at dinner, and nothing else, and then waiting for a reaction, and after two hours he did not feel any discomfort, but felt a little hungry. What's going on?

Of course, there are prerequisites for this, one is that the persimmon eats less (only one), and the other is that his stomach function is better and he can initially digest the persimmon and crab meat he eats.

There are a lot of foods listed in ancient medical books and folklore, and there is a certain reason to list crabs and persimmons as rivals, but it is really unreasonable to say that "peanuts and cucumbers are mutually reinforcing". It can be seen that the statement of "food restraint" should be distinguished from the false, otherwise, can you still raise the spoon during the meal? Thank you.