About 7 days

The shelf life of pasteurized milk is relatively short, generally about 7 days. The weather in the south is hotter, especially in summer, which is a challenge for pasteurized milk. Consumers must pay attention to the quality of milk when buying, storing and drinking pasteurized milk. If the carton is found to be "bulging", the milk has deteriorated and must not be consumed. Therefore, you should pay special attention to the storage conditions when purchasing. Omissions in any link will lead to the rebirth of bacteria and the deterioration of milk.

Extended information:

Pasteurized fresh milk is often contaminated by many microorganisms (80% of which are lactic acid bacteria). Therefore, when using milk to produce sterilized milk, in order to The simplest and most effective way to improve the stability of milk during storage and transportation, avoid rancidity, and prevent the spread of microorganisms is to use heating for sterilization or sterilization. Cooling In order to inhibit the development of bacteria in milk and extend its shelf life, it is still necessary to cool it in time. The milk is usually cooled to about 4°C. Ultra-high temperature milk and sterilized milk can be cooled to below 20°C.

Baidu Encyclopedia-Pasteurized Milk