How big is a crab in 2 taels? 3 How big are the two crabs

The crab is not very large, the crab cover is about centimeters, and the weight is 100 grams. During the growth of crabs, the weight of crabs will increase by about 50 grams for every 5 7 cm of crab cover. When choosing a crab, you can use your hands to weigh it, although the two taels are not heavy, they also have a certain weight, and the size is about the same as a fist.

In the process of crab growth, the general crab cover diameter will increase by about 50 grams for every 5 7 cm long, and crabs are in autumn, which is the best time to grow meat.

The diameter of the crab cover is about centimeter, only a little bit larger.

Based on two taels, for every 5-7 mm increase in the diameter of the crab cover, the weight increases by about 50 grams, and so on.

In addition, crabs that weigh two or two can only be called ordinary river crabs, and only crabs that weigh more than two halves can be called hairy crabs.

Extended information: 1. Put it in the refrigerator: store for 6-8 hours.

If you can't finish the crab after steaming, you can seal it with plastic wrap and put it in the refrigerator for 6-8 hours. For example, if you plan to eat crabs at noon in the evening, you can do this.

2. Put the frozen layer: store for 1-2 days.

If you want the steamed crab to last longer, you need to put the sealed crab in the freezer layer of the refrigerator, so that it can be stored for 1-2 days.

Note: 1) Cooked crabs should be eaten as soon as possible to avoid spoilage. Once the crab is spoiled or has a peculiar smell, it must not be eaten, because the histamine substances released in the crab meat can easily cause food poisoning or allergies.

2) Cooked crabs taken out of the refrigerator must be thoroughly heated before eating.

3. The diameter of the shell of two crabs is about 50-52 mm.

Whether it's crabs, shrimps, shellfish, all kinds of delicious fish and lean meats, they are not suitable for meals. According to the recommendation of China's dietary guidelines, the appropriate amount of aquatic products per day is 75 to 100 grams, which is converted into crabs, and can probably eat up to 250 grams of river crabs.

Precautions: The stiffness period and autolysis period after the death of river crabs are greatly shortened, and the bacteria in the crab body will multiply rapidly and spread to the crab meat, causing vomiting, abdominal pain and diarrhea to eaters. The shell of the fresh live crab is blue-black, shiny, the umbilicus is full, and the belly is white.

The shell of the dying crab is yellow, and the crab legs are soft, making it difficult to straighten out. If you can't finish eating, the rest must be kept in a clean, cool and ventilated place, and you must return to the pot and cook and steam thoroughly when eating.

The diameter of the crab cover of the hairy crab is more than 50 mm, and the diameter of the crab cover is about 45 mm. Based on two taels of crabs, the diameter of the crab cover increases by about 50 grams for every 5-7 mm in diameter, and so on, the size of the crab cover of other weights can be obtained, so the diameter of the crab cover is more than 50 mm.

There will be a lot of parasites in the general crab, we have to completely kill the parasites in the body when we steam the crab on the pillow to eat, generally 3 taels of crabs and other water boiling, steaming for 10-15 minutes can kill all the parasites in it, and the crab meat will not be boiled until it is too old.

Precautions for eating crabs.

Crabs cannot be eaten with persimmons. Persimmon is very rich in vitamin C, crab meat is rich in protein, if vitamin C and protein meet, it is easy to form protein precipitation, but also the formation of protein lumps, if you do not pay attention, it will lead to stomach stones for a long time, which is very dangerous.

People with cold hands and feet should eat less crabs. Crabs belong to the cold food, if a person's hands and feet are cold, it means that the person is a cold physique, especially for women. Therefore, such a group of people must pay attention when eating crabs.