Introduction to Soft Shell Crab

Crabs shed their shells 13 times in their life. Each time they metamorphose and grow up, a new life begins. When the crab's fatness reaches more than 95%, the crab itself will secrete a shelling hormone, which will encourage the crab to A protease is produced in the meat. This protease can dissolve part of the chitin, astaxanthin, chitin and calcium and magnesium ions in the old crab shell, and absorb the free nutrients into the crab body. Before the crab sheds its shell, it Shell hormones will cause the polymerization of free nutrients to form a soft membrane on the surface of the crab. After the soft membrane thickens, it absorbs a small amount of water and the body expands. The old crab shell will be split and separated from the crab's abdomen. During the shelling process, the original gill silk will be removed. , food bag, and internal organs were all removed. Soft-shell crabs are very rare in nature because the crab's new shell gradually hardens when it comes into contact with water several hours after it sheds its shell. Soft-shell crabs are precious because they only remain soft for a few hours after they change their shells. The soft-shell crab meat is tender and rich in free methane, protein, fat carbohydrates, zinc, calcium, phosphorus, iron, vitamins, riboflavin, crab crab astaxanthin, glutamic acid, proline, and arginine. More acid content. In particular, the soft shell is rich in free calcium, which can effectively promote calcium supplementation in children, middle-aged and elderly people, and provides people with an excellent product for improving intelligence.