Taking sturgeon as an example, the body shape of sturgeon was explained. Acipenser schrenckii has a long body, thick front and thin back, flat abdomen, flat head, long and sharp snout, naked and scaleless body surface, covered with 5 rows of bone plates, protruding snout in a triangle, crooked tail shape, developed upper leaves and upwarped, naked and scaleless body surface.
Introduction to sturgeon - the value of sturgeon
Introduction of sturgeon
Sturgeon is one of the few living fossils living in the water in the world. It is a kind of fish with the highest nutritional value among all fish. In China, there has long been a saying that "the Dragon incarnate as sturgeon's Epiphany". Sturgeon eggs can be used as caviar.
The common feature of sturgeon is that the body is spindle shaped, naked or covered with five lines of hard scales, the skeleton is mostly cartilage, crooked tail, the snout is particularly extended, and the mouth is on the ventral side of the snout.
Taking sturgeon as an example, the body shape of sturgeon was explained. Shi's sturgeon has a long body, thick front and thin back, flat abdomen, flat head, long and sharp snout, exposed body surface without scales, covered with 5 rows of bone plates, protruding snout in a triangle, crooked tail shape, developed upper leaves and upwarped, exposed body surface without scales, but covered with 5 rows of rhombus bone plates with sharp spines, the cross section of the body and trunk is in a pentagonal shape, protruding snout, blunt triangle, small mouth, located in the ventral surface of the head, i.e. the lower position of the mouth There are 4 antennae in front of the mouth, which are arranged in a straight line and parallel to the mouth. The mouth can be telescoped to be tubular without teeth in the mouth. The eyes of sturgeon are small, the head surface is smooth, the dorsal fin is located at the back of the body, close to the caudal fin, opposite to the gluteal fin, and the ventral fin is located at the front of the dorsal fin. The back is grayish brown and the abdomen is silvery white.
The skeleton of Acipenser schrenckii is mostly cartilage, and the axial skeleton is an elastic spinal cord without ossification. The spinal cord extends to the upper lobe of caudal fin.
The value of sturgeon
Sturgeon is a treasure all over the body. Its meat is fresh and delicious. Many of its organs have certain efficacy or beauty and health care functions.
The flesh quality of sturgeon, which is cultured in artificial fresh water and weighs less than 5 kg, is better than that of rare salmon; its sashimi tastes fresh, tender, crisp, smooth and crisp, which is better than that of lobster; its cartilage (sturgeon's whole body cartilage), skin, fin, liver and intestine can be cooked into at least 30 delicious dishes.
Sturgeon roe is big and full, dark and bright in color, rich in 17 kinds of amino acids and various trace elements, known as' black gold '. Caviar made of sturgeon roe is a delicacy treasure, which used to be a royal tribute; in the west, savoring sturgeon roe sauce is also a patent of the upper class, even a symbol of identity and status.
Medicinal value
The medicinal value of sturgeon is also recorded in the compendium of materia medica: "the liver of sturgeon is mainly used to treat sores; the flesh is used to replenish deficiency and excess Qi, which makes people healthy; the juice is used to boil and drink, which is used to treat blood drenching; the nose meat is used to preserve, which is used to replenish deficiency and lower Qi; the son is like a bean, which is healthy to eat and kills the abdominal worms.".
The main organs of sturgeon with medicinal and health and beauty value are as follows:
Sturgeon meat
Long term consumption has significant curative effect on chronic lumbago, stomach disease and hair loss, and pharmacology needs to be studied.
cartilage
It has anticancer effect. According to some recent studies in Canada and the United States, the anticancer factors (bioactive components) in sturgeon cartilage are 15-20 times higher than shark cartilage.
Sturgeon gill
Heat clearing and detoxification have special effects.
Liver of sturgeon
Indications: scabies.
Sturgeon oil
There are special effects for treating scald.
Sturgeon nose
Replenish deficiency and lower Qi.
Air bladder
Because it contains 80% ossein, it has significant effect on leucorrhea, malignant tumor, kidney deficiency, impotence, spermatorrhea, synovium, hemoptysis, hematemesis, intestinal hemorrhage and neurasthenia.
Sturgeon roe
Beauty, fitness, drive away human parasites.
Sturgeon also has the effect of beauty. Long term consumption can eliminate spots and wrinkles, balance oil, make the face ruddy, the skin elastic, and eliminate 'acne'. It is also the best biological material for the development of beauty cosmetics.