1, appearance
Yangcheng Lake hairy crabs are big and fat, with bright blue shells, round white bellies, golden claws and short yellow hairs on the tips.
Ordinary hairy crabs have a heavy soil color on their shells, a high mud content, a gray belly, a thick mud color on their hair, and an obvious golden claw tip.
2. As far as taste is concerned
Yangcheng Lake hairy crab crab meat is sweet and delicious, with fresh and tender taste, high water content and no fishy smell.
The shell of ordinary hairy crabs has earthy smell, and the crab meat is sweet but not fresh, with light taste and poor taste, which is not as delicious as Yangcheng Lake hairy crabs.
3. Nutritional components
Yangcheng Lake hairy crabs contain more nutrients, and the content of minerals such as protein is higher than that of ordinary hairy crabs.
Ordinary hairy crabs, because of their short feeding cycle, have low protein content and are not as high in minerals as Yangcheng Lake hairy crabs.
Extended data:
Yangcheng Lake hairy crabs do not stick to mud, commonly known as clear water crabs. They are big and fat, with a green shell and a white belly, and golden claws and yellow hair. There are four characteristics: green back, yellow hair, golden claws and white belly. The method of distinguishing authenticity is as follows:
Plumpness (kneading method): The difference between Yangcheng Lake hairy crabs and other crabs lies in the fullness of meat. You can pinch the calf of the hairy crab and feel whether the meat is full. If it is not full, it will feel hollow when pinched.
Green back (burning method): the back of hairy crabs is crab shell green, shiny and refreshing, and turns red after cooking. The crab soil in other lake areas is heavy in color and grayish red after cooking.
White belly (brushing method): The belly of hairy crabs is white and shiny, but not pure white. Due to water stains in the lake, it should be slightly yellow, which is different from the gray belly of crabs in other lake areas. If the shell is lightly brushed with a brush, it can be slightly stained with water attached to the shell.
Golden claws (can be tested on smooth glass or floor tiles): the claws of hairy crabs are as golden as tobacco, with two claws and eight claws, which are strong and powerful; It can stand up and crawl freely on smooth glass plates or floor tiles. The crab claws in other lake areas are thin and weak, and there is no obvious golden color on the claw tips.
Yellow hair (you can squeeze the claw hair): The hair on the crab claw is thick and soft, and the hair must be bright yellow. The crab hair in other lake areas is very earthy and unclean. This method requires special attention to safety and is easy to be caught by fingers.
Baidu encyclopedia-Yangcheng lake Chinese mitten crab