When autumn is the season for crabs to appear on the market, among crabs, Sanmen green crabs are more famous, so are Sanmen green crabs river crabs or sea crabs? Where is the origin of Sanmen green crab? How to choose three kinds of green crabs? Let's have a quick look.
Is Sanmen green crab a sea crab
Yes, it's generally grown in the coastal areas of central Zhejiang Province. Like ordinary crabs, there are many people who eat them. But when choosing green crabs, we should pay attention to many problems. We should choose fresh ones.
1. Three door green crab is sea crab. Its scientific name is Scylla serrata, which is commonly known as "Zhuohui". It is produced by Sanmen Bay in the coastal area of central Zhejiang Province. The suitable temperature range is 7-37 ℃, salinity is 2.6-55 & permil;. It is a carnivorous cave dwelling, and it is nocturnal.
2. Sanmen green crab has pure germplasm resources, superior growth environment, tender meat, high medicinal value and beauty effect. Meat and viscera can treat scabies, dermatitis, lacquer sores, damp heat, postpartum blood closure. Long-term consumption has the effect of promoting water and swelling, removing spots and beauty, nourishing yin and Yang.
3. The fresh three door green crab bought back needs to be placed in a cool and humid place, which must be able to breathe with gout. Soak in 18% brine for 5 minutes every day. Under the most suitable temperature and water environment, it can survive for 5-10 days, generally 3-5 days.
4. Next is the medicinal value. The flesh and viscera of Scylla Sanmen can be used to treat scabies, dermatitis, lacquer sores, damp heat, postpartum hemoptysis and other diseases, and also can be used to resist tuberculosis, which is an ideal food for tuberculosis patients.
Where is Sanmen green crab
It is mainly raised on a large scale in Zhejiang Province. Generally, the best way to buy green crab is to choose one from Zhejiang Province, which has a better taste.
1. Sanmen County has developed water system. From north to south, there are Qimen port, Haiyou port, Jiantiao port, Puba port and Donggang port, which are deeply embedded in the inland. Along the bank, there are eight streams, including Qingxi, zhuyou River, tingpang River, Baixi and Shanchang river. In the rainy season, a large number of nutrients are brought into the sea, resulting in fertile water quality, moderate salinity, rich bait organisms, which are conducive to the propagation and growth of marine organisms.
2. According to the national sea water census, every liter of water in Sanmen Bay contains 15.8 micrograms of nitrate, 1.0 micrograms of phosphate, 25.7 micrograms of nitrate, and 668 grams of plankton per cubic meter of sea water. The flow velocity of the ebb tide is higher than that of the rising tide, and the sediment is seldom deposited, which makes the harbor stable, moderate in salinity, rich in bait organisms, no industrial pollution in the offshore, and clear in water quality. The sea water in the Bay meets the class I and class II sea water standards and is suitable for the cultivation of green crabs.
3. Sanmen is a county in Taizhou, Zhejiang Province. The green crab produced here is rich in meat, thin in shell, and has a large output. It is the famous "hometown of green crab". However, people who don't know about Sanmen green crab have some misunderstandings about it, so they can't identify the quality of Sanmen green crab.
How to choose green crab
1. Check the top of the crab shell with the backlight. If it is completely opaque, it means it is plump.
2. Three door green crab is better, pay attention to whether foreign crab and overnight crab are different. It depends on the quality of the boss.
3. Fresh green crabs are very important. Never buy dead or dying green crabs. They are very unhealthy. When you see them jumping around, you can turn them over. If you can turn them back by yourself, it means they are more energetic and can be bought.
4. Crabs are abundant in warm shallow sea, mainly distributed in Zhejiang, Guangdong, Guangxi, Fujian and Taiwan, especially in Jiangsu and Zhejiang. Nutritional analysis of blue crab is rich in protein and trace elements, which has a good nourishing effect on the body.