How to clean the live crayfish? Can you eat the yellow in your head?

Every May, crayfish everywhere begin to appear on the market in large quantities, and many people will specially buy a few jin to go home and cook for themselves. however, because the crayfish growing environment is relatively dirty, it is a technical task to wash crayfish. How can live crayfish be cleaned? Can you eat the yellow in your head?

First, crayfish introduction:

1. What season does crayfish have?

Crayfish are generally available on the market at the end of April and fade out in October. But the crayfish hot season is from June to August, when it is big and fat, and the price is relatively cheap, so it is very suitable for eating at this time. In addition, affected by the epidemic this year, crayfish may be cheaper than in previous years, may be more than ten yuan to buy a jin, and the individual is very large.

2. Does crayfish have parasites?

Crayfish may contain parasites, mostly in the head. Common is paragonimiasis, which parasites in people's lungs, causing fever, coughing and other symptoms, so it must be cooked when cooking. If eaten raw or semi-cooked, it will lead to human infection with paragonimiasis. Under normal circumstances, in the case of more than 50 degrees cooking lobster for about 10 minutes can rest assured to eat, generally fried and then braised cooking cooked.

Second, how to clean the live crayfish?

Live crayfish is very dirty, its head, shrimp shell and shrimp legs are stained with a lot of mud and impurities, and will give off a smell of smelly water, so it needs to be washed one by one before it can be washed thoroughly, of course, if it is troublesome, go to a high-end restaurant to eat, generally wash relatively clean. The specific can be cleaned according to the following methods:

Step 1, first prepare a basin, pour in the right amount of salt and vinegar, then add the right amount of water and stir well, then pour in the lobster and soak for about 15 minutes. The purpose of this is to make the crayfish spit out the dirt in the gills.

Step 2: fish out the lobster, rinse with clean water for a few minutes, then add the right amount of salt, pour in the water and soak the crayfish for about a day. The aim is to make the crayfish spit out the dirt and foreign bodies in the body.

Step 3: fish out the lobster, rinse with clean water for a few minutes, then wash off the shrimp shell and leg with a brush, cut off the whole head with scissors, or remove the whole head with your hands. Generally speaking, when buying, many merchants will ask if they want to help with it, personal advice or not, go back and deal with it, after all, they have not been soaked, and the bacteria inside can easily enter the shrimp and breed more bacteria.

Step 4, find the shrimp tail, pull out the middle tail, and the shrimp line will follow. It should be noted that the shrimp that just took off its head still has vitality, so you should pay attention to it when you go to the shrimp line to avoid being caught by the shrimp leg. If you have plenty of time, you can put it in the freezer overnight, then take out the middle tail, arch the back of the crayfish, cut the shrimp shell with a knife, and take out the shrimp thread.

Step 5. Cut it from the middle of the shrimp shell with scissors and rinse it. The aim is to make crayfish taste better when cooking.

Although cleaning crayfish is a technical job, it is not only delicious to eat, but also cleaner and hygienic than that in the restaurant.

Third, can you eat the yellow in the head of the crayfish?

The yellow in the head of the crayfish is not suitable to eat, this yellow substance is shrimp yellow, the shape is similar to the crab roe, but this is different, it is close to the liver, it contains a certain amount of heavy metals, and in the cleaning process, it is easy to be contaminated with all kinds of impurities or bacteria, so it is not suitable to eat.

In addition, in addition to shrimp yellow is not suitable to eat, shrimp head, shrimp gills, shrimp line can not be eaten, so cleaning must be clean, if there is no handling, should pay attention to when eating.

Generally speaking, if you want to clean the crayfish, you can first soak in the right amount of vinegar and salt for about 15 minutes, then soak in salt water for a day or so, and then go to the shrimp head and shrimp line. For shrimp yellow, not suitable for consumption, easy to infect bacteria, eating is not good for the body.