Milk frozen and then thawed can still be drunk.

Fresh milk can still be drunk after thawing into ice after freezing, because in the low-temperature freezing period, the nutrients of fresh milk, although some changes have occurred, but it is not spoiled, just some protein molecules in fresh milk because of the freezing and the destruction of the nutrients in the fresh milk, resulting in less nutrients, as long as it is in the range of the shelf-life, or can be normal to drink.

Many people feel that the shelf life of fresh milk is too short, so they will put fresh milk in the refrigerator to freeze, through freezing to extend the shelf life of fresh milk, to reduce the situation of fresh milk spoilage. But remind everyone that freezing fresh milk will only damage its original nutrients, can not extend the shelf life of fresh milk, after the frozen fresh milk, if it is past the shelf life, the same can not continue to eat.

Milk product packaging style

1, glass bottle

Glass bottle is the traditional packaging material for liquid milk, can be used as a dairy producers in the nearby city sales of home distribution channels commonly used packaging. Glass bottle material packaging has a better barrier effect, can avoid the external air on the milk contamination, but also can prevent the diffusion of milk flavor substances.

2, plastic

Currently on the market for pasteurized milk, ultra-high temperature instantaneous sterilized milk packaging materials use more plastic material packaging. Plastic bottles have a variety of **** extrusion and single-layer material two structures of HOPE bottles and BOPP bottles, with easy to carry, long shelf life, easy to store and other advantages.

3, Bailey packets

The structure of the multi-layer aseptic composite film, there are three layers of black and white film, there are also high-barrier 5-layer, 7-layer **** extruded film and aluminum-plastic composite film, the material is different, and its shelf life ranging from 1 month to 6 months. The inner layer of Bailey packet is heat-sealed layer with black masterbatch added to play the role of blocking light; the middle layer and outer printing layer with white masterbatch added to play the role of covering black and blocking light.

Refer to Baidu Encyclopedia-Milk