Yangcheng Lake crab, traditionally known as the crown of the crab. This is related to the special ecological environment of Yangcheng Lake. Water area of a hundred miles square, blue ripples, the water quality is clear and pure as a mirror, shallow water bottom hard, lush water plants, extend wide, the climate is appropriate, is the crab settlement growth of the most ideal crystal palace. Therefore, Yangcheng Lake crab form and meat quality, in the crab family, greatly different. Morphology has four major characteristics: one is the green back, the crab shell into the green mud color, smooth and shiny; two is the white belly, stick to the mud of the umbilical cord abdominal crustaceans, crystalline white, no ink spots; three is yellow hair, crab legs hair long and yellow, root upright; four is the golden claw, crab claws golden, solid and powerful, placed on a glass plate, the eight-legged upright, the chelanges empty, umbilical cord back bulge, formidable. Meat tender and delicious, after eating and then eat other good food dishes, will be tasteless. Just a few kilometers away from Yangcheng Lake in Piangcheng Lake, lake crab production is also more, but by the tide, belly not white, hair slightly black, meat is far less tasty than Yangcheng Lake crab. The same territory of the lake crab, but also can not be compared, other areas of the crab, but also greatly inferior. Therefore, Yangcheng Lake crab has long enjoyed a good reputation overseas, known as the "Chinese Golden Velvet Crab.
Why is Yangcheng Lake crab commonly known as "hairy crab"? Bao Xiaotian has written a "hairy crab history" on this name, said "hairy crab three words from the mouth of the Suzhou crab sellers."" People always like to eat crabs before the dinner, or it is a temporary initiation. Therefore, these crab sellers always picked up their loads in the afternoon and shouted along the street: 'Hairy Crab to Hairy Crab'." This "gate" character, sounding the same as "fried", crab steamed and eaten with water, so-called "fried crab". This explanation is not exhaustive. He "one day, in Wu Neshi home for crab feast (Neshi is Hufan's text), there is Mr. Zhang Weiyi, Kunshan, home near the shore of Yangcheng Lake, began to know the original story."
Wu Neshi is the founder of Suzhou grass bridge middle school, his father Wu Dazheng late Qing dynasty governor of Hunan, the Sino-Japanese war as Liu Kunyi's deputy marshal, a family of three generations, are famous collectors of antique books.
Zhang Weiyi is also Fang, and Wang Songwen Wu Neshi's best friend, Wu's regular customers. Gu Yanwu "the world Shao Guo Li disease" manuscript, lost more than two hundred years, for Wu Shi Nei purchased, and for Fang also and Wang Songwen found in the Wu family, and accepted the gift of welcome back to Kunshan. This was a great event and became a good story in the book world. Coincidentally, the Wu family crab feast, Fang also present, Bao Xiaotian made the name of the "hairy crab" explanation: "gate word is not bad, where the crab fishermen, they are in the harbor, they must set up a gate, made of bamboo. The night comes across the gate, put a lamp, the crab see the light of the fire, that is, climb on the bamboo gate, that is, on the gate one by one to catch, very convenient, the name of the gate of the crab came from." Bamboo gate is a bamboo fish trap, the crab caught on the fish trap is known as the gate crab, large size is known as hairy crab.
Yangcheng Lake hairy crabs in the formation of the four distinctive features: one is the green back, Yangcheng Lake crab shell into a greenish gray, smooth and glossy; two is the white belly, sticking to the mud of the navel belly, crystal white; three is the yellow hair, the foot hair is long and yellow and erect; four is the golden claw, Yangcheng Lake crab claw gold and yellow firm and powerful, put on the glass can be eight feet upright, the two chelates in the air.
Nutritional value: crab is a high-protein things, with the role of nourishing Yin and Yang. And crab meat is rich in trace elements, such as phosphorus and other substances needed by the human body, so eating crab is good for the human body. Generally can eat. But some people are still cautious eating crab, because crab cold, for cold and flu people temporarily eat less, such as the body after the recovery of health can be assured to eat.
According to "Compendium of Materia Medica", crab has the effect of relaxing the tendons and benefiting the qi, regulating the stomach and eliminating food, passing through the meridians and collaterals, dispersing all the heat, and dispersing the effect of bruises and blood. Crab meat is salty and cold, has the function of clearing heat, resolving silt, nourishing Yin, can treat bruises, tendon injuries and fractures, allergic dermatitis. Crab shell calcined ash, mixed with honey, external application can be treated for wasp stings or other anonymous swollen venom. Crab meat has good curative effect on all kinds of cancer. At the same time, but also children's natural tonic, regular consumption can supplement the children's body necessary for a variety of trace elements.
Crab is rich in nutrients, contains a variety of vitamins, including vitamin A is higher than other terrestrial and aquatic animals, vitamin B2 is 5-6 times more than meat, 6-10 times higher than fish, 2-3 times higher than eggs. The content of vitamin B1 and phosphorus is 6-10 times higher than that of general fish. Every 100 grams of edible part of crab contains 17.5 grams of protein, 2.8 grams of fat, 182 milligrams of phosphorus, 126 milligrams of calcium, 2.8 milligrams of iron. In addition to rich in calcium, crab shell also contains crab red pigment, crab yellow pigment.
Crab is not only a delicacy in food, as a medicinal also has a strange function. The herb gleanings" said: "its function is not only scattered, and can and blood also." The motherland medicine that the crab is cold and salty, crab meat has heat, blood knot, continue to break the injury, and nourish the meridians and yin, etc.; its shell can clear heat and detoxification, break the blockage of accumulation of pain.
Modern research has found that crab shells contain a substance - chitin, chitin can be extracted from a substance called ACOS-6, which has a low-toxicity immune-activating properties, animal experiments have proved that the substance can inhibit the proliferation and metastasis of cancer cells.
But now many of the Yangcheng Lake hairy crabs are "bath crabs", i.e., raised for a period of time in the Yangcheng Lake area (bath). Authentic ones have been exported to Hong Kong and abroad.