The shelf life of pure milk can generally reach 6 to 9 months, and the shelf life of milk is determined by the sterilization method. According to different sterilization methods, milk can be divided into pasteurized milk, high-temperature pasteurized milk and ultra-high-temperature sterilized milk.

Milk that usually needs to be stored in cold storage and has a shelf life of about three days belongs to pasteurized milk. After low-temperature sterilization, this milk can not only retain bacteria beneficial to human body and kill microorganisms harmful to human body, but also maintain the nutrition and freshness of milk. Milk without refrigeration, also known as pure milk, is usually sterilized at ultra-high temperature, and the shelf life of such dairy products can usually reach 6 to 9 months.

Advantages of pure milk

Pure milk is the oldest natural beverage, and the nutrients in milk are very high and rich. For example, we know that in addition to calcium, there are magnesium, iron, zinc, copper, manganese and other contents. , but the most abundant is calcium, which is also the main source of calcium in human body.

Lactose in milk is galactose and lactose, and it is also one of the most easily digested and absorbed sugars. Calcium and phosphorus in milk are not only abundant, but also in a proper proportion, which is easy to be absorbed by human body. It is the best calcium source for human body and promoting growth and development, and can promote the healthy growth and development of teenagers.