Whey powders are the result of spray drying pasteurized cheese whey. The first step is to concentrate the pasteurized whey. The value of Whey is its high nutritional value.
Whey itself is the liquid remaining after milk has been curdled and strained. It is a byproduct of the manufacturing of cheese. Sweet whey is produced during the manufacturing of rennet types of hard/semi hard cheeses like cheddar and Gouda. Acid whey is produced during the manufacturing of acid types of dairy products like cottage cheese, yogurt or acid casein production.
Whey powder is a rich source of protein and carbohydrates. It can add value in a wide range of applications.