Edible, as long as it is properly preserved, it will not go bad. It can be frozen or chilled, but if you can't eat it for ten and a half days, it is recommended to freeze it. Take it out and thaw it when you eat it. You can't put it back after you take it out of the refrigerator, it will go bad. The turtle (AmydaSincnsis). Commonly known as soft-shelled turtle, water fish, tuanyu and tortoise, they are egg-laying reptiles and live an amphibious life. Carassius auratus is delicious and nutritious, and has the effects of clearing away heat and nourishing yin, calming the liver and calming the wind, softening and resolving hard mass. Turtle is not only a delicious food on the table, but also a widely used tonic medicine. There are mainly soft-shelled turtle, Eriocheir sinensis, soft-shelled turtle and Eriocheir sinensis in China, among which soft-shelled turtle is the most common. This species has been listed in the List of Terrestrial Wild Animals under National Key Protection or with Important Economic and Scientific Research Value issued by the State Forestry Administration of China in August, 2000 1.

Turtle is very nutritious. Can the dead turtle eat it? How long before a dead turtle can't eat? Let's introduce it below!

Can a dead turtle eat it?

The turtle can decompose itself to produce ammonia after death, and people will get food poisoning if they eat the dead turtle. Histamine is a tonic vasodilator, which can cause the release of a series of allergic substances. When the concentration is too high, it can cause symptoms such as collapse and shock. Generally speaking, soft-shelled turtles should be eaten within 30 minutes after death or frozen within 10 minutes. If the ambient temperature is high, it is recommended not to eat.

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Harm of eating dead soft-shelled turtle

Dead turtles can't eat. Because the main ingredient of soft-shelled turtle is protein, which contains a lot of histidine, this is also the reason why soft-shelled turtle is delicious. However, histidine is easily decomposed to produce histamine, especially after the turtle dies. With the prolongation of turtle death time and the increase of temperature, the histamine concentration of turtle increased sharply. Histamine is a kind of poison, and people will be poisoned after eating it. Therefore, "Although soft-shelled turtle is a tonic, it must not be eaten after death", which is very reasonable.

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How to preserve soft-shelled turtle

(1) Tie the turtle first.

(2) Put it into the bottom plate of the refrigerator (the temperature is controlled at zero degree), and move the plate upward for 3-4 hours until it reaches the top floor.

(3) When all four feet of the tortoise are retracted and cannot be touched by hand, you can untie the rope on it and cover it with a piece of black paper or cardboard. In this way, the tortoise is in a "hibernation" state.

(4) When the soft-shelled turtle needs to be eaten, take it out, and after it is completely awake, it can be slaughtered and eaten.

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system of selection

Look at all parts of the tortoise. Excellent turtles are those with complete appearance, no injury or disease, large muscles, shiny abdominal armor, blurred posterior scapula and ribs, thick and upturned skirt, stout legs and agile movements; On the contrary, it is an inferior turtle.

Grasp the turtle's anti-leg nest with your hands, such as fast moving, kicking on all fours and fierce and powerful turtles; If the activity is not flexible, the four feet move slightly or even don't move, it is an inferior turtle.

The inspection is mainly to check whether there are hooks and needles on the turtle's neck. Soft-shelled turtle with hook and needle can't be stored for a long time and transported for a long distance. Inspection method: You can stimulate the turtle's head with hard bamboo chopsticks, let it take a bite, then stretch its neck with one hand and touch it with the other.

Try to turn the tortoise over and lay it flat on the ground. If you can turn over quickly, escape quickly and move flexibly, you are an excellent turtle. If the turnover is slow and the action is slow, they are all inferior turtles.

The adult stage of soft-shelled turtle is 4 years, and its weight is about 1.8-2 kg. This kind of soft-shelled turtle is most suitable for adults, and its nutritional value is very comprehensive.