Autumn winds, crab feet itch; chrysanthemums bloom, smell crabs come.
It's the time of year when crabs are at their fattest
But you know what?
There are some dead crabs that can't be eaten,
Accidental ingestion may lead to poisoning!
What are the specialties of eating crabs?
And how should you pick a crab?
Don't worry, Xiaobu will give you the focus!
Do crabs have to eat alive?
After the crab dies, the crab body quickly stiffens and dissolves, and the bacteria in the body will quickly multiply and spread into the crab meat.
In a weak acid environment, bacteria will break down amino acids, so the longer the crab dies, the more histamine and histamine-like substances in the body. If you eat dead crabs, the former can cause allergic food poisoning, and the latter cause vomiting, abdominal pain, diarrhea, etc.
However, not all crabs have to be eaten alive. After many seawater crabs are caught, they can easily die without leaving the seawater, especially some distant-water fishing. Seawater crabs like pike crabs don't have to be eaten alive, but freezing and keeping them fresh on fishing boats is important. For example, live sea crabs bought in coastal areas should be quickly frozen if they cannot be eaten in time, and then taken out and steamed when needed.
Crabs have 4 kinds of organs that cannot be eaten! Because it contains a lot of sediment, debris and bacteria, it is possible to have diarrhea and be prone to parasites after eating it.
One is the crab stomach, which is a triangular bony packet in the center of the inner leading edge of the crab shell;
The second is the crab intestine, a black line from the stomach to the umbilicus;
The third is the crab heart, commonly known as the hexagonal plate, this thing in the crab yellow, in the shape of a hexagon;
The fourth is the crab gills, two rows of soft things that look like eyebrows on the abdomen.
What do I need to pay attention to when eating crab?
1. Do not eat raw crab, nor can you eat it when it is soaked in wine
Alcohol can not completely kill the parasites in the body of raw crabs, if eaten raw, the risk of parasite infection is very high, light can cause hemoptysis, if the parasite enters the brain, heavy will also cause paralysis and other symptoms.
2. Steam at high temperature and cook now
Crabs need to be continuously cooked at a high temperature of more than 100 ° C for 20 minutes to 30 minutes before they can completely kill microorganisms in the body.
3. Do not consume in excess
Crab cholesterol content is higher, especially crab yellow part, it is recommended that patients with cardiovascular and cerebrovascular diseases eat crab meat in moderation, eat less crab yellow.
How to pick a crab?
1. Fresh river crab crab has great clamping force, complete crab legs, fast and powerful crawling, blue-green and shiny back shell, white and full abdomen, and continuous uninterrupted foaming.
2. Live river crabs that cannot be eaten can be preserved in a tight bamboo basket. First lay a layer of sediment, then place a layer of absorbent towel or sponge, and finally store the bamboo basket in a cool place, which can generally make the crab survive for 4 to 5 days.
3. Sea crabs should choose crab jaws and crab legs without missing, leg joints are elastic and not stiff, crab shells are blue-gray and the shell tips at both ends are not damaged. After the relatively fresh sea crab is steamed, the crab meat is filamentous fiber, does not collapse, and the sea crab can be stored for about a month.
Editor-in-charge Deng Qingyuan
Source Pudong Release