Shrimp skin is rich in calcium, and it also contains an animal fiber called chitin, which is a polysaccharide and cannot be digested and absorbed by human body. After chemical treatment, it can be dissolved in water to make health food chitosan.
Shrimp is nutritious, soft and easy to digest, and it is food for people who are weak and need to be nursed back to health after illness.
Shrimp is rich in magnesium, which plays an important role in regulating heart activity, protecting cardiovascular system, reducing cholesterol content in blood, preventing arteriosclerosis and dilating coronary arteries, and is conducive to preventing high shrimp. It is an arthropod living in water, belonging to arthropod crustaceans. There are many kinds, including Antarctic red shrimp, green shrimp, river shrimp, grass shrimp, prawn, prawn and lobster. Shrimp has high nutritional value for dietotherapy, and can be steamed and fried, and can be used as Chinese herbal medicine.
Shrimp is a crustacean decapod swimming suborder with nearly 2000 species, most of which live in rivers and lakes. They all have beards, hooked noses, jointed back arches and hard scales at their tails, so they are good at jumping. Many kinds of food are important. The size varies from several meters to several millimeters, with an average of 4 ~ 8 cm. The big one is called prawn. Bending the abdomen and tail can swim backwards quickly. Eat tiny creatures, and some eat carrion. Female shrimp can produce 1, 500 ~ 1, 4000 eggs, which are attached to swimming limbs. There are five stages of development before adulthood. Its seeds are outside the abdomen, which tastes fresh and people like to eat them. Shrimp is long and flat, with a calcareous exoskeleton, which is divided into two parts: chest and abdomen. The head and chest are covered with carapace. The abdomen consists of seven body parts. There is a serrated forehead sword and 1 double rotatable compound eyes with handles at the front end of the head breastplate.