1, Yangcheng Lake crab does not stick to mud, commonly known as clear water crab, with big fat body, green shell, white belly, golden claws and yellow hair.
2. 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 empty when pinched.
3, green back (burning method): hairy crab back is crab shell green, shiny, refreshing, and turns red after cooking. The crabs in other lakes have a heavy earthy color and are grayish red when cooked.
4. White belly (brush method): The belly of hairy crabs is white and shiny, but it is not pure white. Because there are water stains in the lake, it should be slightly yellow, which is different from the gray belly of crabs in other lakes. Brush the shell lightly to brush off the dirt slightly attached to the shell.
5, golden claws (can be tested on smooth glass or floor tiles): hairy crabs' claws are as golden as tobacco, with two claws and eight claws, strong and powerful; On a smooth glass plate or floor tile, it can be lifted and crawled freely. The crab claws in other lakes are thin and weak, and the claw tips are not obviously golden yellow.
6, yellow hair (you can use the method of squeezing claw hair): the hair on the crab claw is dense and soft, and the hair must be bright yellow. The gross weight of crabs in other lake areas is turbid and unclean. This method should pay special attention to safety, and it is easy to be caught by fingers.
Second, the authenticity query
Special anti-counterfeiting marks are composed of special logo patterns and patent structures for geographical indication products, which are protected by law. No one may use it without authorization.
With the application of identification number, biological DNA and other anti-counterfeiting technologies, the structural part meets the national food hygiene and safety requirements, digital anti-counterfeiting is convenient and accurate for authenticity identification, and DNA anti-counterfeiting strengthens fraud forensics.
Third, anti-counterfeiting methods.
Open the center circle on the back of the special anti-counterfeiting mark (for safety, you can open it with a lighter, scissors or knife) and display the anti-counterfeiting number 12. Enter the anti-counterfeiting number by telephone, SMS, internet and other inquiry methods, and check the authenticity according to the reply.
Fourth, the query method
1. Dial: dial the special number of the anti-counterfeiting center of Suzhou Quality Supervision Bureau, invade the anti-counterfeiting number according to the voice prompt, and check the authenticity according to the reply voice.
2. Send SMS: enter the anti-counterfeiting number, send SMS to (the special number of the anti-counterfeiting center of Suzhou Quality Supervision Bureau), and check the authenticity according to the reply SMS.