Can we still eat dead hairy crabs? Will it be poisonous?

When the season of hairy crabs comes, everyone usually eats them. However, some people buy some dead hairy crabs for the sake of cheapness. It is important to note that dead hairy crabs must not be eaten, otherwise it will easily cause poisoning.

1. Can you still eat dead hairy crabs?

1. Dead crabs cannot be eaten, otherwise it will cause poisoning or even death. After being captured, crabs often try to break free, which causes an increase in lactic acid in their bodies. This can cause bacteria in the crab's body to multiply rapidly and spread into the crab meat after the crab dies. Bacteria will decompose the amino acids in the crab's body, and then produce a harmful substance "histamine", which can cause allergic food poisoning; another substance that may be produced is "histamine-like" which can cause vomiting, abdominal pain, and diarrhea, so be careful when choosing.

2. When a crab is dying or dead, the histamine in its body will decompose to produce histamine.

Histamine is a toxic substance. As time passes after death, more and more histamine accumulates in the crab's body, and the toxicity becomes stronger and stronger. Even if the crab is cooked, this toxin is not easily destroyed. Excessive ammonia nitrogen must be excreted from the kidneys, so eating dead hairy crabs is very harmful to the kidneys.

3. People who eat dead crabs may experience symptoms such as vomiting, abdominal pain, and diarrhea. Even half-dead "crabs" are not suitable for consumption. The infection rate and degree of lung fluke larvae metacercariae in live crabs are very high. Lung flukes parasitize in the lungs, irritating or destroying lung tissue, causing coughing and even hemoptysis. If they invade the brain, they can cause paralysis.

2. Who can’t eat crabs?

1. Infants and young children should not eat crabs, as high protein will increase the burden on the liver and kidneys;

2. People with high cardiovascular risk such as coronary heart disease, hypertension, and hyperlipidemia should eat with caution;

3. People with diarrhea or stomachache should not eat crabs;

4. Pregnant women with weak constitutions should not eat crabs;

5. Patients with spleen and stomach deficiency, chronic gastritis, duodenal ulcer, cholecystitis, cholelithiasis, hepatitis, acute or chronic pancreatitis should eat less or no food.

6. For people who are suffering from cold or fever, eating this product may make the cold difficult to recover or worsen.

7. People with allergies should not eat seafood.

4 parts you should never eat

1. Crab gills: Two rows of gray fan-shaped soft tissues on the crab's body after opening the crab shell. They are the crab's respiratory organs, used to filter water, and are very dirty. Don't eat the triangular crab white under the gills.

2. Crab intestines: They contain crab excrement. After opening the crab body, you will see black things in the crab roe and crab meat, which need to be removed.

3. Crab stomach: a triangular bag hidden in the crab roe. Open the crab shell and you will see some crab roe on the shell. The crab stomach is hidden in the crab roe in the shell. There is crab excrement in the crab's stomach, which is very dirty and not recommended for consumption.

4. Crab heart: also called crab hexagonal plate. When you open the crab shell, you can see a layer of black membrane. The crab heart is hidden underneath it, a white hexagon. Chinese medicine often says that crabs are extremely cold, and the crab heart is the coldest, so it must not be eaten.