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Freezing in the refrigerator.

You want to store crabs for a long time, you can only put the crabs in the freezer of the refrigerator, in this case you'd better not more than three months, but you must pay attention to, it must be in the crab freshly alive to freeze it, if the crab has died, then it is recommended that you don't freeze and store it again, because after the death of the crab is very easy to produce histamine, a toxic substance, if we then take the crab out to eat it, then we don't want to freeze and store, because it is easy to produce histamine, a toxic substance. Substances, if we then take out the crab to eat, it is very likely that the phenomenon of food poisoning, resulting in abdominal pain and diarrhea and other symptoms.

How long does it take to defrost crabs

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4 hours at room temperature Room temperature is usually between 10 and 15 degrees Celsius, and in this temperature range, the crabs thaw faster, absorbing heat well and causing the ice crystals in the crabs to melt quickly. If you want to thaw faster, you can use warm water to thaw, the heat of the warm water is absorbed by the crabs, the ice crystals can melt quickly, usually thawing time is about 10 minutes, the warm water becomes cooler you can change the water once to continue to thaw.

Live crab preservation methods

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1, refrigerator preservation

The number of crabs purchased is not large and can be eaten in about three days of preservation is relatively simple. Choose vigorous crabs, tie up the feet of the crabs to reduce the physical exertion of the crabs, and then put them in the refrigerator freezer, keep the temperature at 5-10 degrees, and cover them with a wet towel to preserve them. When you eat every day, pick the less energetic ones to eat first, and the energetic crabs can continue to be preserved.

The way to tell the difference is: touch the crab's eyes lightly with your hand, and eat it first if it is not responsive.

2, plastic bucket/pot preservation

Select vigorous crabs, prepare a 30-50 cm high plastic bucket/pot, put the crabs into it without stacking; then add water to half the height of the crab's body mainly to keep it moist, not to bury all the crabs. Because you are unlikely to have oxygenation equipment, if the water is too deep, the crabs will be suffocated by lack of oxygen and die. Bucket/pot without cover, check the crabs every day, eat the crabs with low vitality in time, using this method to preserve Yangcheng Lake crabs, the temperature is not high when the crabs can be preserved for more than 5 days.

3, bathtub preservation

If the amount of purchased crabs more than three or five days to eat, the best way to save is to do their own bathtub as a temporary pool, the first to let out to the crabs to enjoy a little bit, because the bathtub four walls are smooth, the crabs can not run away, the crab gently poured into the bathtub, filled with water to the crab just buried, so that the crabs eight-footed stand up in the water surface to breathe, and according to the storage time and the number of put a small amount of small fish and small fish and small fish and small fish. According to the storage time and the number of put a small amount of small fish and shrimp, with this method of storage Yangcheng Lake crabs can generally more than 7 days or longer, good quality crab storage survival rate of up to 95% or more. In addition, check the crabs every day, and eat the crabs with insufficient vitality in time.

How to store cooked crabs

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It is recommended that you can first cover them with plastic wrap and put them in a cool and ventilated place, which can keep them fresh for 6-8 hours. If the weather is hot, then it is best to put in the refrigerator freezer, so that the midday crabs can be kept until the evening, but not overnight.

If you want to store cooked crabs for a long time, such as overnight, put them in the freezer. However, direct freezing tends to make cooked crabs lose moisture and become very dry and unpalatable. When freezing, you can freeze them together with the soup in which they were cooked to better preserve their fresh flavor.