BACK TO PREVIOUS PAGE

Milk Serum

Milk Serum. The liquid medium, called whey (q.v.), that remains when the butterfat (q.v.), casein (q.v.), and some lactose (q.v.) and ash (q.v.) minerals are separated in the form of a curd (q.v.) from milk during cheesemaking (q.v.). It retains most of the water-soluble vitamins (q.v.), minerals, lactose, and noncasein proteins (q.v.) of milk.