Swimming bladder glue is a precious traditional Chinese medicine. It is made from the swim bladder of sturgeon and bighead carp, and is used to treat kidney deficiency, nocturnal emission and hematemesis. However, due to the lack of resources, swim bladder glue or swim bladder glue beads are mainly processed from swim bladders of yellow-lipped fish, yellow croaker, small yellow croaker, fish without fish, cod, eel, freshwater carp and catfish.

Because of the different sources of collagen, its amino acid composition is also different. Generally, the gelatin of aquatic animals is similar to that of other mammals, in which glycine accounts for about 1/3, alanine accounts for about 1/9, proline and hydroxyproline account for about 2/9, and these four amino acids * * * account for about 67% of the total amino acids.

Followed by glutamic acid, arginine, aspartic acid and serine account for about 20% of the total amino acids, while others such as histidine, methionine and tyrosine are extremely low.

The precious shark's fin is shark's fin, and its elastic collagen can be made into shark's fin glue, which has always been a good tonic.

Collagen of fish scales is also easily hydrolyzed into fish scale glue, and it also contains fish scale scleroprotein, which needs to be boiled and dissolved with dilute acid or vinegar. Fish scale glue can treat metrorrhagia and leukorrhagia in women, and has certain curative effect on purpura, epistaxis and gingival bleeding. Moreover, fish scales contain more egg scale fat, which can delay cell aging after being mixed with water.

Swim bladder glue has a history of nearly a thousand years in China. According to Compendium of Materia Medica, it has the effect of nourishing blood and strengthening kidney, and is rich in mucin, vitamins and minerals. Often fried with longan, red dates and walnuts to make winter supplements.

Extended data:

Most bony fish have swim bladders. The volume of swim bladder accounts for about 5% of the body. Its shapes are oval, conical, heart-shaped, horseshoe-shaped and so on. The gas filled in the swim bladder is mainly oxygen, nitrogen and carbon dioxide, with the most oxygen content.

References:

Baidu encyclopedia-swim bladder