Nutritional Value According to Compendium of Materia Medica, crabs have the functions of relaxing tendons and activating collaterals, benefiting qi and regulating stomach, promoting digestion and dredging collaterals, and clearing away heat and removing blood stasis. Crab meat is salty and cold, has the functions of clearing away heat, removing blood stasis and nourishing yin, and can be used to treat traumatic injury, tendon injury and fracture, allergic dermatitis, etc. Crab shells are calcined and mixed with honey. External application can treat wasp sting or other nameless swelling. Crab meat has a good effect on all kinds of cancers. At the same time, it is a natural tonic for children. Regular consumption can supplement various trace elements necessary for children's bodies.
Crab is rich in nutrition and contains many vitamins, among which vitamin A is higher than other terrestrial and aquatic animals, vitamin B2 is 5-6 times higher than meat, 6- 10 times higher than fish and 2-3 times higher than eggs. The content of vitamin B 1 and phosphorus is 6- 10 times higher than that of common fish. Every 65438 000g of crab edible part contains 65438 07.5g of protein, 2.8g of fat, 65438 082mg of phosphorus, 65438 026mg of calcium and 2.8mg of iron. Crab shell is not only rich in calcium, but also contains crab red and crab yellow
Crabs are not only delicious food, but also good medicine. "Herbal Supplement" said: "Its merits are not only scattered, but also nourishing blood." Traditional Chinese medicine believes that crabs are cold and salty, and crab meat has the functions of clearing heat and removing blood stasis, dredging collaterals, nourishing yin and promoting fluid production. Its shell has the functions of clearing away heat and toxic materials, removing blood stasis and relieving pain.
Modern research has found that crab shells contain a substance-chitin, and a substance called ACOS-6 can be extracted from chitin, which has low toxicity and immune activation characteristics. Animal experiments have confirmed that this substance can inhibit the proliferation and metastasis of cancer cells. Lu Xun said: "People who eat crabs for the first time are admirable. They are not warriors. Who dares to eat? " Crabs are terrible in shape and have to pinch people. People who start eating crabs really need some courage. But it can be said with certainty that the Chinese nation was the first to know how to eat crabs. There is "crab Xu" in Zhou Li, which is said to be a kind of crab sauce. It can be seen that as early as more than two thousand years ago, crabs appeared as food at the banquets of our ancestors. The Book of Qi Yaomin written by Jia Sixie in the Northern Wei Dynasty introduced the method of raising crabs and improved the method of eating crabs. Later, Lu Guimeng's The Story of the Crab, Fu's The Book of the Crab and Gao's A Brief Introduction to the Crab were all monographs on crabs, and China people knew more about crabs.
The legend of Yangcheng Lake hairy crabs:
There is also a legend about the Eight Immortals. They stayed in Yangcheng Lake for a few days before the Eight Immortals crossed the sea. The villagers beside Yangcheng Lake warmly welcomed Zhang, Cao Guojiu, Han Xiangzi, Lan Caihe, He Xiangu and Han Zhongli. The Eight Immortals were very moved. They discussed how to repay each other, and finally decided to leave Yangcheng Lake with an aquatic product. As a result, they really "showed their magical powers" and produced eight kinds of fresh water, all of which were delicious: snails.
In this way, Yangcheng Lake has not only hairy crabs, but also eight kinds of fresh water. Crab is the commander of water, and Baxian is a guest. Originally, the population was prosperous in autumn, but now it is crowded all year round-all the hairy crabs have been eaten, and there are eight fresh ones. Whenever you go to Yangcheng Lake, you can taste the delicious eight delicacies. Matters needing attention on how to select high-quality hairy crabs
1. Yangcheng Lake hairy crabs can't be eaten raw because they are parasitic with paragonimiasis and other germs.
2. The stomach, intestines, gills and heart of Yangcheng Lake hairy crabs can't be eaten. The stomach of hairy crabs, commonly known as "crab monk", is a triangular sac at the front end of the head and chest; The intestine of hairy crabs is a long black strip filled with digested food and feces. The gills of hairy crabs are located on both sides of the head and chest, commonly known as "crab pancreas", which is often covered with dirt and parasites; The heart of the hairy crab is located in the center of the chest and is a hexagonal cyst.
3. Yangcheng Lake hairy crabs can't eat with persimmons and tea, because tannic acid contained in persimmons and tea will solidify into indigestible lumps after meeting protein of hairy crabs, and people will have symptoms such as abdominal pain and vomiting.
4. People with spleen and stomach deficiency can eat less Yangcheng Lake hairy crabs, because hairy crabs are cold, and eating too much will lead to abdominal pain and diarrhea. When eating hairy crabs in moderation, dip them in Jiang Mo vinegar juice, which can dispel the cold of hairy crabs and avoid discomfort.
5. People with hypertension, coronary heart disease and arteriosclerosis should try to eat less crab roe of Yangcheng Lake hairy crabs, because it will increase cholesterol.
6. People with stomach trouble, fever, cold and diarrhea should not eat it. Yangcheng Lake hairy crabs are cold, which will aggravate the condition.
7. Pregnant women should eat less Yangcheng Lake hairy crabs.
8. For children, the proportion of allergic diseases begins to rise after entering autumn. It is best not to eat more high-protein foods such as hairy crabs.