How did crawfish rise?

1, about 1929, Japan introduced the crawfish, crawfish through Japan flowed to Nanjing, China.

2. Japan was the springboard for crawfish to enter East Asia. To the 1960s, Japan, including Hokkaido, in addition to a number of islands in addition to the crayfish are found, and even the Crayfish's Japanese relatives - Japanese black crayfish are almost decimated by it.

3. In the early 1990s, crayfish quickly made their way to the tables of big stalls around Hubei, Anhui and Jiangsu. And vendors selling crayfish in the counting of money hand cramps while looking ahead to the international market.

4, in order to adapt to the harsh environment, crayfish in China has undergone a strange evolution, mutated spicy crayfish, fennel crayfish, steamed crayfish and other new varieties.

Expanded Information:

Crayfish (scientific name: Procambarus clarkii): also known as the crayfish, red crayfish and Freshwater crayfish. Shrimp-like and hard shell. Adults are about 5.6 to 11.9 centimeters long, dark red, the carapace is partially black, and there is a wedge-shaped stripe on the back of the abdomen.

Juvenile shrimp body is uniform gray, sometimes with black ripples. Chelicerae are narrow and long. The middle part of the carapace is not separated by a mesh-like space, and the carapace is obviously granular. Frontal sword with lateral spines or the end of the frontal sword with scars.

Main values

1, ornamental

Because most crayfish are very resistant to pollution, they can still survive in water containing high levels of polluting toxins. Stocked in the aquarium, can also be effective in removing fish feces and moss, the hydrological environment is a very big contribution to the improvement.

2, nutrition

Crayfish body protein content is very high, and the meat is fluffy, easy to digest, for the weak and sick need to recuperate people is excellent food.

Shrimp meat is also rich in magnesium, zinc, iodine, selenium, etc., magnesium has an important role in regulating cardiac activity, can protect the cardiovascular system, which reduces blood cholesterol content, preventing atherosclerosis, but also expand the coronary arteries, is conducive to the prevention of hypertension and myocardial infarction. Crayfish contain astaxanthin, astaxanthin is a very strong antioxidant.

Scientists at Osaka University in Japan found that astaxanthin can help eliminate jet lag due to the reaction of "jet lag". In addition, crayfish can also be used as medicine to reduce phlegm and cough, and to promote post-surgical wound healing.

3, recipes

Crayfish because of the size than other freshwater shrimp, meat is relatively more, and the reason for the meat is delicious, and was made into a variety of dishes, are universally popular.

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