Gelatin is a protein obtained by hydrolysis of animal bone, skin and connective tissue. Here is a description of gelatin and some common uses:

Description: 

•Source: Gelatin mainly comes from the bones, skin and connective tissues of animals such as pigs, cattle and fish. These raw materials are hydrolyzed to extract gelatin protein.

•Physical properties: Gelatin is a colorless or light yellow lump or powder substance. Dissolves in water and forms a gel.

Purpose: 

1. Food industry: gelatin is an important thickener, gelling agent and stabilizer in the food industry. It is often used in the production of jelly, candy, pudding, frozen products, soft candy, dairy products (such as yogurt, cheese, ice cream), pastries, meat products (such as ham, sausage) and so on. The gelatinous properties of gelatin add texture and taste to the product.

2. Pharmaceutical and pharmaceutical fields: gelatin has certain applications in the pharmaceutical and pharmaceutical fields. It is often used as a raw material in capsules to enclose medicines. In addition, gelatin is also used in the preparation of ointments, collagen fillers and so on.

3. Photographic process: gelatin has been widely used in photographic process as a sensitive layer for film and photos. However, with the rise of digital photography, this application has dwindled.

4. Cosmetics industry: gelatin is also used in the cosmetics industry as a thickening agent, emulsifier and stabilizer. It is often added to skin care products, shampoos, conditioners, cosmetic lotions and other products to increase the viscosity and texture of products.