* Bovine (cattle) hide and bones
* Porcine (pig) skin and bones
Gelatin is produced through a process called hydrolysis, where collagen is broken down into smaller peptides. This process involves:
1. Extraction: Collagen is extracted from animal tissues through a process of soaking, washing, and treating with acids or alkalis.
2. Purification: The extracted collagen is then purified to remove impurities and contaminants.
3. Hydrolysis: The purified collagen is then hydrolyzed, using enzymes or heat, to break it down into smaller peptides.
4. Drying and grinding: The hydrolyzed collagen is then dried and ground into a powder or flakes.
The final product is gelatin, a colorless, tasteless, and odorless protein that has many uses in food, pharmaceuticals, and other industries.