Because red crabs contain a special kind of toxic formic acid, eating them can cause damage to the intestinal mucosa.
You cannot eat red crabs because they contain a special kind of toxic formic acid. If you eat red crabs, the toxic formic acid will harm the human body and cause damage to the intestinal mucosa.
However, even so, after checking the information, I found that the name of Australian red crab is on the list of edible seafood in the world. This shows that red crab can be eaten and tastes pretty good. There must be There is a way to remove toxic formic acid from red crabs, but it's not yet widely available.
Taboos when eating crabs:
The main component of crab meat is protein, and it also contains calcium, phosphorus, iron and vitamin A. Therefore it is not only delicious but also nutritious. However, if you eat it with fruits, it will easily combine with the tannic acid contained in the fruits to form tannic acid protein.
It is not easy to digest, increases the burden on the gastrointestinal tract, and may cause symptoms such as diarrhea. Therefore, do not eat fruits immediately after eating crabs, especially fruits with high tannic acid content such as persimmons.
Crab is a cold food and can easily cause diarrhea. Yogurt is rich in lactic acid bacteria and has the effect of accelerating gastrointestinal peristalsis. Therefore, eating yogurt and crab at the same time is especially suitable for those with spleen and stomach deficiency. People are more likely to have diarrhea.
Reference for the above content: People's Daily Online - Although crabs are delicious, there are taboos in eating them