How long to open pure milk can not drink

April 19, 2023

Usually like to drink milk friends must know that milk is easy to spoil, especially after opening, in the heat of the environment almost as short as a few hours will become acidic, lumpy. So how long to open this pure milk can not drink?

How long to open the pure milk can not drink

Pure milk needs to be consumed as soon as possible after opening, as for the storage time is greatly affected by the environment. Summer: summer is a higher temperature, the air is full of bacteria, pure milk belongs to the perfect bacteria culture, at room temperature can only be stored for 1 to 2 hours, after opening need to be put in the refrigerator as soon as possible. Winter: winter environment is lower temperature, room temperature and the fresh layer in the refrigerator is about the same, and there are few bacteria in the environment, the pure milk can be stored for 1~2 days at this time.

How to handle pure milk after opening

Refrigerator preservation

Pure milk should be consumed as soon as possible after opening, not finished can not be stored at room temperature, need to be put into the refrigerator as soon as possible, the low temperature of the refrigerator can slow down the deterioration of pure milk, can be stored for about 1 to 3 days.

Heat treatment

The pure milk that is not finished can also be heated, the bacteria in the heated pure milk will be killed or inactivated, slowing down the deterioration of pure milk, even if it is placed directly at room temperature, it can be stored for 3 to 4 hours.

How to distinguish whether the milk is spoiled or not

The fresh pure milk is uniform in texture, milky white, with a fresh fragrance, while the spoiled pure milk has a certain sour taste, and with white lumps of sediment, and some even have color discoloration, this pure milk can not be consumed.

The precautions for preserving pure milk

1. Pure milk should be kept in a cool place, preferably in the refrigerator. 2. pure milk in the refrigerator to keep, pay attention to the cap to avoid other food smell string gas. 3. milk poured into cups, teapots and other containers, such as not finished, should be covered and put back in the refrigerator, do not pour back to the original bottle. 4. too cold on the milk also has a negative impact. When the milk is frozen into ice, its quality will be damaged. Therefore, milk should not be frozen, put it in the refrigerator can be refrigerated.

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