Key Nutrients in Milk
A lot of nutrients in milk. Milk compose with water, milk fat, milk protein, lactose, vitamins and minerals.
- Water
Water is main component in milk water. It?s more than 85%. Milk water is media between milk protein and milk fat suspension.? ?It?s also support lactose, vitamins and minerals soluble in milk.
- Milk fat or butter fat
Milk fat disperse in part of emulsion. The milk fat component also has phospholipid, cholesterol, carotenoid and vitamin A.
Milk fat content depend on variation factor e.g. feed, milk collection, breeding and season. Generally, milk fat is around 4% which is quite lower than fried foods.
- Milk Protein
3.1) Casein
– 80% of Total Casein is phosphoprotein.
– Contain essential amino acid for human body.
– Casein protein can separate from milk milk water by sedimentation by natural protease enzyme which is process of cheese.
3.2) Whey
Whey is liquid content which separate from casein sedimentation.
- Lactose
Lactose is natural milk sugar. Milk contain lactose around 2.4 ? 6.1%.
There is disaccharide sugar which compose with glucose 1 molecule with galactose 1 molecule. Lactose can separate from whey. It?s by product from separation of whey, casdein and cheese.
- Vitamin and Minerals
Vitamin B1, Vitamin B2, Vitamin B12, Calcium and Phosphorous
Reference : Foodnetworksolution.com
Asst. Prof. Dr. Pimpen? Pornchalrmpong
Professer honor Dr. ?Nitiya? Rattanapanont
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