What are the Composition of Milk ? || Milk & Milk Products
MILK & MILK PRODUCTS Composition of Milk : • Milk Fat : The flavour of milk is due to milk fat. The lipid portion includes both phospholipids and triglycerides . Others liquid materials present in milk are sterols, free fatty acids, Carotenoids and fat soluble vitamins . Carotenes are responsible for the yellow colour of milk fat. • Milk Proteins : a. Casein : Casein institutes 80% of the total nitrogen in milk. The remaining whey protein constitutes lactoglobulin and lactoalbumin. b. Whey Proteins : Whey protein made up of alpha-lactoalbumin and beta-lactoglobulin, serum albumin, the immunoglobulins, enzymes and proteus - peptones. • Milk Sugar : Milk contains 4% to 5% carbohydrate. The chief carbohydrate present in milk is lactose, a disaccharide, although trace amounts of glucose, galactose and other sugars are also presents. • Salt