How to keep hairy crabs fresh
Preservation methods of hairy crabs 1
Keep Yangcheng Lake hairy crabs in the refrigerator. As we all know, Yangcheng Lake hairy crabs are fresh aquatic products, which can be preserved for a short time after leaving water. It is relatively simple to store hairy crabs that can be eaten in about three days: choose hairy crabs with strong vitality, tie the feet of Yangcheng Lake hairy crabs together with the gate-reduce the physical consumption of hairy crabs, then put them in the freezer of the refrigerator and cover them with wet towels for storage. When eating every day, first choose the hairy crabs with insufficient vitality and sufficient vitality to continue to be preserved.
The way to distinguish is to touch the eyes of hairy crabs with your hands, and eat them first if they are not sensitive.
Fresh-keeping methods of hairy crabs II
Preserve Yangcheng Lake hairy crabs in plastic buckets/pots. Choose Yangcheng Lake hairy crabs with strong vitality and prepare a plastic bucket/basin with a height of 30-50 cm. The inner wall of the plastic bucket/pot is smooth and difficult to get rid of. Put the Yangcheng Lake hairy crabs in-they can't be stacked; Then add water to half the height of the hairy crabs-mainly to keep them moist and not completely buried. Because you are unlikely to have aerobic equipment, if the water is too deep, crabs will suffocate due to lack of oxygen. Don't cover the bucket/basin, check the hairy crabs every day, and eat the hairy crabs with insufficient vitality in time. Yangcheng Lake hairy crabs are kept fresh by this method. When the temperature is not high, hairy crabs can be kept fresh for more than 5 days.
Fresh-keeping method 3 of hairy crabs
Preserving Yangcheng Lake hairy crabs in temporary breeding ponds. If you can't eat the quantity of Yangcheng Lake hairy crabs in three to five days, you can't store them in the above way. The best way is to let your bathtub-as a temporary breeding pond-be enjoyed by Yangcheng Lake hairy crabs first: because the walls of the bathtub are smooth, hairy crabs can't escape, and then gently pour Yangcheng Lake hairy crabs into the bathtub and inject water until they are just buried. If hairy crabs stand up, they can breathe on the water. According to the storage time and quantity, add a small amount of small fish and shrimp. Generally, Yangcheng Lake hairy crabs can be stored for more than 7 days or longer by this method, and the storage survival rate of Yangcheng Lake hairy crabs with good quality can reach more than 95%. In addition, check hairy crabs every day and eat them in time.
After receiving live hairy crabs, if you can't eat them all at once, you should pay attention to preservation. 9./kloc-It is best to put the bound hairy crabs (so as to ensure the compactness of hairy crab meat) directly into the fresh-keeping room of the refrigerator for cold storage (note: it is not frozen), control the temperature at about 5 degrees Celsius, and cover it with a wringing wet towel.
Matters needing attention
Remember: if you don't eat it right away, please don't wash it with water, or the crab will die. If the indoor temperature does not exceed 15 degrees, there is no need to put the refrigerator. Generally, it can be stored for 5-7 days, but the crab will lose weight if it is stored for too long, and the taste will not be affected if it is eaten within 3 days.
How to choose hairy crabs
When buying crabs in the market, first of all, the crab shells should be bright black and green, usually fleshy. If the back shell is yellow, it is lean meat; Then look at the navel. The navel is prominent and generally fat.
Then look at the hair on the crab's legs. More hair means stronger body, and less hair means thinner body. Then choose the male and female by month, choose the female in August and September, and choose the male later, and the taste will be more delicious.
Little knowledge of hairy crabs
Also known as river crab, hairy crab, clear water crab, hairy crab or crab. It is an economic crab.
Chongming people call it "old hairy crab" because it has hair on its two big claws. Its birthplace is in the waters of the Yangtze River estuary of Chongming Island. There are more than 300 species of crabs in rivers and lakes around the world, of which about 20 species are edible, the most famous being Eriocheir sinensis in China.
Every winter, Eriocheir sinensis will swim to the nearby waters, where salt and fresh water meet to breed, and then the crab seedlings will be caught by fishermen on the island. Crab farmers raise crabs to the size of buttons, which is called buckle crabs. Farmers all over the country come to buy them and take them back to raise them.
In the subsequent growth process, Eriocheir sinensis will choose an aquatic environment suitable for its own growth and development, among which the cultured hairy crabs are called "the best among crabs" because of their unique water characteristics. With years of experience in aquaculture, tell consumers a unique identification method:
1. fullness (kneading method): The difference between 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 feels hollow when pinched.
2. Green back (burning method): The back of hairy crabs is crab shell green, bright and refreshing, and turns red after cooking. The crab soil in other lake areas is heavy in color and grayish red after cooking.
3. White belly (brush method): The belly of hairy crabs is white, shiny white, but not pure white. Because there are water stains in the lake, it should be yellowish with water stains, which is different from the gray belly of crabs in other lake areas. If the shell is lightly brushed with a brush, the dirt with a little water stain attached to the shell can be brushed off.
4. 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.
5. Yellow hair (the method of squeezing claw hair can be used): the fluff on crab claws is thick and soft, and the hair color is refreshing and 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.
How much is a hairy crab?
It depends on where crabs come from. In Yangcheng Lake, Taihu Lake and other major lakes, the number of well-known crabs generally reaches 100, and the unknown artificial culture is generally tens of yuan a catty.
How much is a crab? Crabs are different in size and weight, and their prices are different. Yangcheng Lake hairy crabs went on sale on September 20th this year (probably around the Mid-Autumn Festival). 20 16 Yangcheng Lake hairy crab price, male crab 4.0 Liang, female crab 3.0 Liang or so. The price of a single crab is about 220 yuan/kg.