milk is one of the best choices, whether it is for the family to reserve, or to respect the elderly. However, there are various kinds of milk on the market, and the advertisements are also various. Which one should I choose? Answer the following four questions and you should be able to find the answer. Does

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milk drinkers have lactose intolerance? Many people after drinking milk, gastrointestinal discomfort will be obvious, serious even flatulence or diarrhea. This is mainly caused by the lack of lactase in the body, which is also known as lactose intolerance. To buy milk for these people, low lactose milk is the best choice. Low lactose milk through the pre hydrolysis technology of lactose, the lactose in milk is hydrolyzed to glucose and galactose which is easy to absorb, so consumers will not have lactose intolerance. When choosing this kind of product, we should pay attention to the product label and buy the milk marked with “low lactose” and “hydrolyzed lactose”. What is the physical condition of

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milk drinkers? According to the level of fat, milk on the market is now divided into full fat milk and skim milk (or low-fat milk), and they also have different “target” groups. Full fat milk preserves the nutrients in milk to the greatest extent. It is rich in fat soluble vitamins A, D, e, K, etc., and contains natural calcium, which is conducive to the absorption of calcium by human body. Healthy adults and children do not need to worry about this and drink whole fat products directly. But people with high blood fat and need to control weight should choose low-fat products, which is conducive to controlling calories, because these people can not eat too much fat, especially saturated fat. Is

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convenient for refrigerator? According to the way of sterilization, milk can be divided into normal temperature milk and pasteurized milk. The former is to sterilize milk with six layers of composite aseptic material after ultra-high temperature sterilization, without refrigeration, and the shelf life is as long as several months. The latter is about 80 ℃ after several seconds of killing bacteria, need low temperature refrigeration, shelf life is 2 ~ 8 days. Compared with pasteurized milk, normal temperature milk will lose some heat sensitive vitamins and taste worse. However, people drink milk mainly for protein and calcium, and there is almost no difference between pasteurized milk and normal temperature milk. Normal temperature milk does not need refrigeration in storage and distribution, thus reducing the chance of deterioration. However, pasteurized milk is limited by short storage time and storage conditions. Therefore, if there is a refrigerator to store at any time, you can choose pasteurized milk. If you want to take it out, it is recommended to choose normal temperature milk. Do

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use it to make yoghurt? Now more and more people like to make yogurt at home, milk as its main raw material, directly affects the quality of yogurt. At this time, we should choose the ultra-high temperature sterilized milk sold at room temperature. This kind of milk is basically sterile, and the whey protein is fully denatured, and the yoghurt is compact and tastes good. The pasteurized milk stored at low temperature contains a certain amount of mixed bacteria, and the milk protein is not denatured sufficiently. The fermented yoghurt will have microbial risk, and the curd state is not compact enough, and the taste is slightly poor, so it is not suitable for making yogurt. ▲

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