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Edible gelatin is a protein extracted from animal collagen, a complex aggregate derived from skin. From the perspective of polymer polydispersity, it is impossible to produce batches of finished product with perfectly uniform quality. Gelatin solutions have one distinctive property, the thermal reversibility of the gel; another is that its melting point is very close to the temperature of the human mouth.

As the name suggests, gelatin can be used in the production of pharmaceutical products. Some of its uses are direct, such as in the production of cod liver oil; others are indirect, such as capsules and pharmaceutical packaging. Gelatin is made from animal skin, bones, and tendons through complex physical and chemical processing. It is fat-free, high in protein, and easily absorbed by the human body. It has physical properties such as high viscosity, strong gelling power, and easy setting.

Gelatin is made from animal skin, bones, and tendons through complex physical and chemical processing. It is fat-free, high in protein, and easily absorbed by the human body. It has physical properties such as high viscosity, strong gelling power, and easy setting. Pharmaceutical gelatin should be dry, clean, uniform, and free of impurities. It appears as fine, light-yellow to yellow granules. It should pass through a standard sieve with a 4mm aperture, and its solution should be free of odor.

Collagen can be extracted from collagen-rich foods. There are many collagen-containing foods in our daily lives, such as white fungus, tendons, and pig trotters. Collagen is usually extracted through hydrolysis or enzymatic hydrolysis, and the resulting collagen powder is white. When you dissolve collagen powder in water, you will find the solution is very clear if you use a glass.

Gelatin is the collagen fraction of connective tissues such as animal skin, bone, and muscle membrane. It can be degraded into white or light-yellow flakes or powder granules with a slight luster. It is a non-volatile, transparent, hard amorphous material that dissolves in hot water but not in cold water, though it slowly absorbs water, swells, and softens. Depending on its grade, gelatin can be divided into edible gelatin, pharmaceutical gelatin, photographic gelatin, and industrial gelatin.

Gelatin is a hydrolyzed macromolecular animal protein product extracted from fresh pig skin or cattle hide, with a protein content of up to 80%, rich in the 18 amino acids essential to the human body. Gelatin is an animal glue that, depending on raw materials, production process, and quality, can be divided into edible gelatin, industrial gelatin, medical gelatin, and bone glue.