Crab bitter generally because of the yolk bitter, bitter for many reasons:

1, crab yolk bitter or crab water quality is too poor

Currently, the domestic crab price is very expensive, so that the breeding of crabs can be profiteering, a lot of farmers will be converted to the original paddy fields into a crab breeding bases, paddy fields, the water circulation is very slow, the water quality is also very poor, so that the breeding out of the crabs by the more serious pollution, the body will naturally be enriched with many harmful substances, making the meat and the yolk with a bitter taste. The water quality is also very poor, so the crabs from this kind of farming are subjected to serious pollution, and their bodies are naturally enriched with a lot of harmful substances, which makes the meat and crab yolk with a bitter flavor.

2, crab yolk bitter or not enough time crab net

Generally speaking, crabs need to be placed in clean water for a period of at least two days after the purchase of the excretion of the net, this period of time, the crabs did not eat, the body of the stains will all be discharged clean, can be if the net time is too short, the crabs do not have to raise the net, when consumed, naturally, will also be with a somewhat bitter flavor.

3, crab yolk bitter or crab with drugs

Crab, loach, eel, etc., the use of drugs in aquaculture is currently an open secret within the aquaculture industry, eel, loach and other survivability before the main use of growth hormones and a small amount of antibiotics can be used, and the crab by the impact of the water quality is relatively large, but also the need to use other drugs to control the growth cycle and mortality rate, if the drugs are not discharged cleanly before being sent to the hospital, then it is not necessary to use drugs to control the growth cycle. These drugs are sent to the table without being drained, and the crabs naturally carry a bitter flavor.

Expanded:

Crabs should not be mixed with fruit. p>Crab should not be eaten with fruits

The main component of crab meat is protein, but also contains calcium, phosphorus, iron and vitamin A and so on. Therefore, it is not only tasty, but also nutritious. But if you eat with fruits, it is easy to combine with the ellagic acid contained in fruits to form ellagic acid protein, which is not easy to digest, aggravating the burden on the stomach and intestines, and symptoms such as diarrhea will occur. Therefore, after eating crabs do not immediately eat fruit, especially persimmons and other fruits containing high tannins.

Crab avoid eating with yogurt

Crab is cold food, itself easy to cause diarrhea, and yogurt is rich in lactobacilli, has the effect of accelerating the gastrointestinal peristalsis, therefore, yogurt and crab at the same time to eat, especially for the spleen and stomach of the cold people are more likely to have diarrhea.

Crab avoid eating with beer

Many people love to drink beer when eating crab, which is likely to cause gout attacks. Crab belongs to high purine food, purine in the body of the metabolic end product of uric acid will aggravate the gout condition. Therefore, abnormal purine metabolism or gout patients must be cautious of eating crabs.

People's Daily Online - Crab is delicious, but there are contraindications

Baidu Encyclopedia - Crab