Gelatin parameter detection

Gelatin is a large molecule hydrophilic colloid that is the product of partial hydrolysis of collagen. According to their properties and uses, they can be divided into photographic gelatin, edible gelatin, and industrial gelatin. The quality requirements for gelatin vary depending on their use. When used as an adhesive, the main requirement is adhesive strength. When used in fields such as photography, food, medicine, etc., emphasis is placed on the purity of the product. Collagen molecules are helices formed by intertwining three polypeptide chains. Through processing, the collagen molecule helices undergo denaturation and decomposition into a single polypeptide chain（ α- Chain α- Components and two α Chain composed β- Composition and three components α Chain composed γ- Components, as well as between and less than α- Component or greater than γ- Molecular chain fragments of components. From this, it can be seen that gelatin is a polydisperse system with a certain molecular weight distribution, which varies depending on the process conditions and affects the physicochemical properties of gelatin

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