Milk, an English word, noun and verb, means "milk" when used as a noun; Milk ",when used as a transitive verb, means" squeeze; Milking "means" milking "when used as an intransitive verb. Phrase collocation: Harvey Milk milk; Harvey milk; Harvey Mick; Shafimick Soy milk soybean milk; Soy milk; Soybean milk; Soy milk

Milk (English: Milk) is one of the oldest natural dairy products. Milk can reduce the pressure of esophageal sphincter and increase the reflux of gastric juice or intestinal juice. Sterilized fresh milk is a liquid milk product made by pasteurization (63℃, 30min. or 75~90℃, 15~ 16sec), which needs to be stored in cold storage.

Milk and its products are one of the important sources of protein, calcium, phosphorus, vitamin A, vitamin D and vitamin B2 in diet. Fresh milk is a complex emulsion mainly composed of water, fat, protein, lactose, minerals, vitamins, etc. The water content accounts for 86%~90%, so its nutrient content is relatively low compared with other foods.

The average specific gravity of milk is 1.032, which is related to the solid content in milk. The components of milk are basically stable except for the fat content, so the specific gravity can be used as a simple index to evaluate the quality of fresh milk.

Freshness

Fresh milk is a uniform colloidal fluid with milky white or yellowish color, without sedimentation, clots, impurities, stickiness and peculiar smell. ? Fresh milk contains sugars and volatile fatty acids, so it is slightly sweet and fragrant with pure milk fragrance.

Pour the milk into the cup and shake it, and the milk will easily hang on the wall. Drop a drop of milk on the glass, the milk drop is round and not easy to flow away. There is no condensation and floc when boiling. If the milk is thin and white, the fragrance is reduced and it is not easy to hang on the wall; Or dripping on the glass, the milk drops are not shaped and easy to flow, so it is watered milk.