Nonfat dry milk is milk that has had the water and fat content removed through a dehydration process.
Description of raw materials used in production.
- Skim milk, devoid of much of its fat content, is the raw material. This milk may undergo a pasteurization process before dehydration to eliminate harmful microorganisms.
Step-by-step summary of industrial process.
- Collection and pasteurization of milk. Milk is collected from cows and then pasteurized.
- Separation. Cream is separated from the milk to create a low-fat product.
- Preconcentration. The low-fat milk is then concentrated by removing some of the water through evaporation.
- Drying. Using a drying process, such as spray or drum drying, the remaining water is removed, creating a powder.
Form and color. Nonfat dry milk typically has a white or slightly yellowish powder appearance, being free-flowing and homogeneous.
Commercial applications.
Nonfat dry milk finds numerous applications in the food industry, such as in baking goods, chocolates, dehydrated food products, and as a whitening agent in coffees and beverages.