1. Fresh-keeping method of transporting hairy crabs
Before the hairy crabs arrive, prepare a foam box or a plastic box, open a few holes above the lid of the box or box to facilitate the crabs to breathe, put some ice cubes at the bottom of the box or plastic box, and then put a layer of towel on the ice cubes. When the crab arrives, box it directly and put it on the towel, then cover it and seal it, paying attention to keeping the air holes. So the crab can reach its destination safely and alive.
2. Bathtub preservation method
If a large number of hairy crabs are purchased, the hairy crabs can live for more than 7 days by keeping them fresh in the bathtub. The bathtub is equivalent to a temporary storage pool for crabs. Gently put the hairy crab into the bathtub, inject a little water into it and drown half of the crab's body. In order to keep the crab alive, you can also put some small fish and shrimp in it to feed the crab. In addition, in the process of rearing, we should always pay attention to eating crabs with insufficient vitality first.
3, plastic pot or plastic bucket preservation method
Put the crab into a plastic pot or plastic bucket, and add water until the legs of the crab are submerged, but the whole body of the crab cannot be completely submerged, so as to keep moisture and ensure the crab's breathing. Crabs should be laid flat and not stacked together. This method can keep fresh for about 7 days at a suitable temperature.
4. Fresh-keeping method of refrigerator
Put the bound hairy crabs into the fresh-keeping box in the drawer of refrigerator, and then cover the crabs with towels, which can keep fresh for about 3 days. Bundling crabs can solve the physical consumption of hairy crabs and prolong the preservation time. Refrigerator preservation also needs to control the refrigeration temperature at about 5 to 1 degrees Celsius.
The principle of eating hairy crabs is that the fresher, the more delicious, the more original and nutritious. Therefore, you should try to eat crabs when they are fresh. After a long time, the meat quality of hairy crabs will change and the taste and flavor will decrease.
5. Dietary contraindications of hairy crabs
1. It is not suitable to eat with greasy food
Because hairy crabs are cold and slightly toxic, they are a cold food. And greasy food contains a lot of fat, and taking greasy food and cool hairy crabs at the same time may lead to diarrhea. Oily foods include fried food, pork offal, fat, peanuts, sesame seeds and rapeseed.
2. Avoid eating foods rich in vitamin C.
It is not advisable to eat foods rich in vitamin C when eating hairy crabs. Because hairy crabs contain priceless arsenic compounds, priceless arsenic will be converted into trivalent arsenic when it meets vitamin C, and trivalent arsenic is arsenic. A small amount of food may not be obvious, but if it is eaten for a long time, this toxic substance will accumulate and lead to human poisoning. Typical foods rich in vitamin C are kiwi fruit, jujube, sweet potato and lemon.
3. Avoid eating with foods rich in tannic acid
Hairy crabs are rich in protein. When eating hairy crabs, if you eat foods rich in tannic acid, when protein meets tannic acid, it will coagulate in people's stomach and become a lump that is difficult to digest and absorb, and there will be symptoms such as abdominal pain, vomiting or diarrhea. Foods rich in tannic acid include persimmon, pomegranate, tea, peach, grape, pear, hawthorn and wild pear. Because the ripening time of persimmons is close to that of eating hairy crabs, you need to be extra vigilant.
4. It is not suitable to eat with cold foods
Because hairy crabs are cold foods, their meat will be delicious only after they have experienced cold. At this time, if you want to eat with cold food, it is easy to hurt your stomach and is not good for your health. Common cold foods are watermelon, persimmon, bitter gourd, eggplant and pear. Or cold food such as ice water.