The river crab is a delicious and nutritious product, but the crab is cold and grows in lakes and rivers all year round, so there are many things to pay attention to when eating river crab.
River crabs should not be eaten when they are dead
The actual crab is not suitable to be eaten after death, after the crab is dead, various bacteria will rapidly multiply in the crab meat, human consumption is easy to diarrhea and abdominal pain; crab meat after the death of the crab histidine substance will quickly decompose the toxic substance histamine, human excessive intake of histamine will cause the body poisoning, dry mouth and chest tightness, dizziness and panic and other symptoms of poisoning.
The fresh river crab shell is greenish-black, shiny, full of color, white and clean abdomen, while the dying river crab shell is yellow, the crab feet are soft, and it is difficult to turn right.
River crabs should not be eaten raw
River crabs should be eaten fresh, but do not eat uncooked raw river crabs, river crabs are always feeding on animal carcasses, the surface and interior of the crab will be full of various sludge, organic bacteria, and many people like to eat raw drunken crab and pickled crab, in fact, this is easy to ingest parasites and bacteria into the human body, affecting health.
River crabs are often infected with cysts of lung fluke and Vibrio haemolyticus, so the steaming time should be longer, at least 30-40 minutes, to kill all the parasites and germs.
What not to eat in river crab
River crabs should be cleaned before use, the stomach of the crab often contains more pathogenic bacteria and toxic debris, which should be removed when eating river crabs; the stomach of the crab is a triangular shaped bony parcel in the lid, there is a hexagonal piece in the middle of the crab body, that is the heart of the crab, the black line that leads from the stomach to the navel of the crab is the intestine of the crab, and the soft plant that grows on the abdomen of the crab like an eyebrow is the gills of the crab, all these things cannot be eaten and should be discarded.
What should not be eaten with river crab
River crab is a high protein food, its protein content is higher than pork, fish several times, do not eat river crab with food containing tannic acid, such as tea, persimmons, etc., tannic acid and protein easily clumped in the body, generating indigestible substances, affecting indigestion, serious may cause stones; river crab is cold, should not be eaten with greasy things, cold things, will cause diarrhea.
Who should not eat river crab?
River crab is cold in nature and should not be eaten by people with a weak spleen and stomach, and it can cause diarrhea and abdominal pain or indigestion.
River crab is high in cholesterol and should not be eaten by people with cardiovascular disease. Consumption of food with high cholesterol content can aggravate the occurrence of cardiovascular disease.
River crab is a high protein food, not suitable for digestion and absorption, people with cold and fever should not eat river crab, eating food that is not digestible will make the cold difficult to heal and aggravate the condition.
River crab should be prepared and eaten now
River crabs should be fresh and steamed, not stored for too long. If you can't finish the rest, you must keep it in a clean, cool and ventilated place, and cook it thoroughly when you eat it again.
