Detection of collagen peptide powder in freshwater fish

Freshwater fish glue is also called fish belly. It is not the stomach of fish, but the swim bladder of some fish growing in fresh water (the organ regulating the rise and fall of fish in water). It is dehydrated and dried. Because it is rich in colloid, it is called fish glue, flower glue or fish spin glue, and is also called fish white, fish float, fish bubble and fish divination. Analysis data shows that the protein content in fish glue is 84.2%, while the fat content is only 0.2%. Fish glue is rich in collagen, which interweaves with elastin and polysaccharide proteins in the connective tissue of the human skin, forming a network structure with certain mechanical strength and serving as the material foundation for supporting the body's curves. In addition, collagen also has certain biological activity, participating in cell migration and differentiation, maintaining a certain mechanical strength and elasticity in skin, bones, and blood vessels. For women who love beauty, fish glue is a good choice for supplementing collagen and maintaining or restoring skin elasticity. In terms of dietary therapy, traditional Chinese medicine believes that fish glue has a sweet and mild taste, nourishes blood, stops bleeding, and strengthens the kidneys and essence. It can be used in combination with traditional Chinese medicine to treat rheumatic heart disease, vasculitis, and other related diseases; Fish glue has the effect of replenishing qi and blood, nourishing the appearance, and can be used for those with insufficient qi and blood, mental fatigue, body fatigue, uneven skin, and facial wrinkles; Fish glue can help eliminate fatigue in the human body and also help with wound recovery in surgical patients. There is no clear consumption standard for fish glue, and it is suitable for all ages as a dietary therapy product. There are many ways to eat fish glue, a simple one is to put an appropriate amount of fish glue into a pot, add a certain amount of boiling water, and stew for about two hours. You can supplement it with supplements such as American ginseng and Korean ginseng according to your personal needs, and then add rock sugar and simmer for half an hour. After stewing high-quality fish glue, if no other supplements are added, the soup will be transparent and almost identical to boiling water. The gel is smooth but not greasy, and the taste is good

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