Gelatin is the collagen part of connective tissue such as animal skin, bones and muscle membranes, and can be degraded into white or pale yellow flakes or powder particles with a slight gloss. It is a colorless, odorless, non-volatile, transparent and hard amorphous material that is soluble in hot water and insoluble in cold water, but can slowly absorb water, swell and soften. Depending on the gelatin, it can be divided into edible gelatin, pharmaceutical gelatin, photographic gelatin and industrial gelatin.
Edible gelatin is a protein derived from animal collagen, a complex skin polymer. From a polymer polydispersity perspective, it is not possible to produce batches of finished products with consistent quality. One characteristic of gelatin solutions is the thermal reversibility of the gel; another is that its melting point is very close to the human oral temperature.
As the name implies, gelatin can be used in the production of pharmaceutical products. Some pharmaceutical products are produced directly, such as cod liver oil; while some are produced indirectly, such as capsules and packaging for drugs. Gelatin is made from the skins, bones and tendons of animals through a complex physical and chemical process. It is fat free, high in protein and easily absorbed by the body. It has physical properties such as high viscosity, high freezing power and easy freezing.
Gelatin is made from the skins, bones and tendons of animals through a complex physical and chemical process. It is fat free, high in protein and easily absorbed by the body. It has physical properties such as high viscosity, high freezing power and easy freezing. Pharmaceutical gelatin should be dry, clean, uniform and free of inclusions. It looks like a light yellow to yellow fine particle. It should pass the standard sieve with an aperture of 4 mm and its solution is odorless.
Collagen can be extracted from foods rich in collagen. There are many foods that contain collagen in our life, such as silver fungus, tendons, pig’s feet, etc. Collagen extraction is usually performed through collagen hydrolysis and enzymatic hydrolysis, producing collagen powder that is white. When you brew collagen powder with water, you will find the solution very clear if you use a glass.
Gelatin is a hydrolyzed macromolecular animal protein product with up to 80% protein content, extracted from fresh pig skin or cow skin, and is rich in 18 essential amino acids. Gelatin is a kind of animal glue, which can be divided into edible gelatin, industrial gelatin, medical gelatin and bone glue according to the difference of raw materials, production process and quality.
When it comes to gelatin, many people may feel that they have not been exposed to such substances, but this is not the case. Gelatin is a frequent visitor in our lives. It is found in many of our foods in the form of additive gelatin, commonly found in gummies, ice cream, marshmallows, etc., most of which are made from additive gelatin. In addition, it contains hydro-collagen.
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