Every 100g milk contains water 87g, protein 3.3g, fat 4g, carbohydrate 5g, calcium 120mg, phosphorus 93mg, iron 0.2mg, vitamin A 140 international unit, vitamin B 10.04mg and B20./kloc. It can provide 69 kilocalories of heat.
Milk is the best natural food for new life. Westerners call milk "human nanny". Except dietary fiber, milk contains all the nutrients needed by human body. It is the only nutritious food, and its nutritional value is unmatched by other foods.
What milk has the highest nutrition?
Good milk: pure milk and yogurt (available in supermarkets, superior to other liquid milk)
However, milk with fruit flavor or other auxiliary materials is not comparable to raw milk in nutrition.
Pasteurized milk is often called "fresh milk" by manufacturers because of its rich nutrition. In fact, whether it is low temperature or high temperature during sterilization, it will have a certain impact on the nutritional value of milk. The real fresh milk should be unprocessed milk.
From the brand: Mengniu, Yili, Guangming, Wandashan and liquid milk are acceptable.
In fact, milk and milk powder are not fresh milk after packaging and transportation. Milk is fresher than milk powder, but its ingredients are not as complete as milk powder. The trace elements such as vitamins and calcium contained in it may not be as reasonable as those added in the process of milk powder production, which can meet people's needs. Healthy adults can drink milk, but I think infants under 4 years old should drink formula milk powder, which is beneficial to nutrition and absorption, and is also good for the stomach. If adults or the elderly are in poor health, you can choose milk powder or milk according to your health. As for beauty, it is better to dilute the milk or use it with other things (such as eggs and honey).
Skim milk is lower in fat than ordinary milk, will it be less nutritious than ordinary milk?
No, but the milk on the market now will not make people fat even if it is full fat, because its fat content is very low, so when buying milk, individuals don't have to care whether it is skim or full fat.
Optimum temperature of milk
Maybe you will say, after drinking milk for so many years, you will still go into a misunderstanding? Actually, it's not. Take the best temperature for drinking milk as an example, which is very particular. The data show that milk should not be drunk with ice, because after milk is frozen, the fat in milk is separated from protein, the taste is obviously weakened, and the nutrients are not easily absorbed; There is also some data that milk should not be boiled. If the temperature is too high, protein in milk will change from sol state to gel state, which will lead to precipitation and affect the quality of dairy products. So, what is the best temperature for drinking milk?
Zou, deputy director of the Nutrition Department of Shanghai Center for Disease Control and Prevention, said that there are many forms of dairy products. According to the food industry standard system in China, it can be divided into seven categories: liquid dairy products, milk powder, cream, condensed milk, cheese, ice cream and other dairy products. At present, liquid dairy products and milk powder products on the market are the most consumed products by China residents. According to the degree of sterilization, undivided liquid dairy products can be divided into raw milk, sterilized milk and sterilized milk. Raw milk is not popular in the market in China because it has not been disinfected; Sterilized milk has been pasteurized, but the bacterial spores in it have not lost their activity and must be transported and stored at 0-4℃. There are two kinds of sterilized milk, one is ultra-high temperature sterilized milk, which is sterilized at an instantaneous ultra-high temperature above 135℃ for 1-2 seconds, and the other is sterilized milk, which is filled and sealed first, and then kept at above 1 10℃ 15-40℃. It is best to drink the milk after disinfection and sterilization fresh, and it can be drunk within the shelf life, and there is no need to heat it before drinking. If some people's stomachs are not suitable for eating cold, or like drinking hot milk, they can heat the milk properly, but the temperature should not be too high to boil, so as not to cause the loss of nutrients. It is generally recommended to heat to below 75℃.
Milk should not be drunk on an empty stomach.
It has been said that it is not advisable to drink milk on an empty stomach in the morning, because drinking milk on an empty stomach can not absorb the nutrients of milk well; In addition, some people think that "drink a glass of milk before going to bed". In fact, this is a misunderstanding of drinking a glass of milk every day. Because people don't have any activity when they sleep, they can't consume energy, and milk contains fat and sugar, which can easily be converted into fat and stored, breeding diseases such as obesity or fatty liver. So, when should milk be drunk?
Zou believes that when to drink milk is more scientific has always been controversial. In fact, when to drink milk is not a matter of principle, and both methods can be used in the morning and evening. If you drink it for breakfast, don't drink it on an empty stomach. You should eat a proper amount of cereal (such as steamed bread, bread, biscuits, etc.). ) at the same time. On the one hand, make full use of the nutritional value of high-quality protein milk, supplement the shortage of lysine in grains, and ensure adequate energy supply at the same time; On the other hand, solid food can increase the retention time of milk in gastrointestinal tract, which is more conducive to the digestion and absorption of milk.
Drinking a glass of milk before going to bed can also supplement nutrition, and milk contains a substance that is easy to make people tired-L tryptophan, which has a calming effect on the human body, can promote sleep, deepen sleep depth, ensure adequate rest, and is beneficial to study and work the next day, especially for people with neurasthenia and poor sleep. But you should not drink too much at night. If you drink too much, you will often get up at night, which will affect the quality of sleep.
When to drink milk can be arranged according to everyone's situation, and there is no need to make mandatory regulations. There is no need to take it many times if conditions permit.
Who shouldn't drink milk?
Nowadays, many people regard milk as a nutritional supplement, but some people have symptoms of gastrointestinal discomfort after drinking milk. So who is suitable for drinking milk and who is not?
Zou introduced that milk is a kind of food with rich nutrition and high edible value, and is known as "white blood". Milk is rich in high-quality protein, and its essential amino acids are suitable for human use. Milk contains vitamins A, B 1, B2, etc. This is also the main and best source of calcium in the diet. As we all know, when there is no breast-feeding, milk is the best food for babies, and its good nutrition plays an irreplaceable role in the growth and development of babies. Milk also has a good health care effect on the health of adults, especially the elderly. Milk can reduce the absorption of toxic metals such as aluminum and cadmium in food and has a slight detoxification effect. There is a bioactive substance SOD in milk, which can remove harmful substances in the body, enhance immunity and have anti-aging effect ... In short, milk has many nutritional values and health care functions, and children, adults and the elderly should be encouraged to drink milk every day.
Milk is suitable for all people, but some people will have gastrointestinal discomfort symptoms such as abdominal pain, diarrhea and flatulence after drinking it. This is because the carbohydrate in milk is mainly lactose, which can be decomposed into glucose and galactose under the action of lactase in the small intestine after entering our body. If some people lack lactase, lactose cannot be broken down. After lactose enters the colon, it will be fermented by bacteria to produce short-chain organic acids such as acetic acid, propionic acid and butyric acid, and gases such as methane, hydrogen and carbon dioxide. Although most products can be reabsorbed by the colon, unabsorbed products can cause bowel sounds, abdominal pain, flatulence and diarrhea. These symptoms are called "lactose intolerance". For these people, you can avoid these symptoms by drinking a small amount of milk or yogurt many times. In addition, people who are allergic to milk and some patients with diseases who are advised not to drink milk are also not suitable for drinking milk.
It is most appropriate to drink 200-300ml milk every day.
Is milk not only uncomfortable for some people with gastrointestinal dysfunction, but also beneficial to ordinary people? How many milliliters of milk should I drink every day?
According to Zou, generally speaking, drink 200-300 ml of milk every day. According to the data, the annual per capita milk consumption in the world is about 100kg, which can reach 300 kg in Europe and America, while China is far below the world average. In 2002, the per capita milk intake of Shanghai people was the second in China, but it was only 34.5 kg. Therefore, there is no problem of excessive drinking in China at present. For some people, if the stomach is slightly uncomfortable, you can drink it several times a day, a small number of times.
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Several common misunderstandings of drinking milk
Milk drink is milk.
Some people regard milk drinks, lactic acid drinks and lactic acid bacteria drinks as milk. In fact, strictly speaking, these milk drinks are not dairy products. Their main raw materials are water and milk. Water, sugar or sweetener, fruit juice, essence, organic acid, etc. Is added to them. Their nutritional value is lower than that of milk, and the protein content is about one third of that of milk. But because of its diverse tastes, children and teenagers prefer to drink it. Therefore, people should pay attention to the nutritional components of their products when drinking milk. It is very likely that you are not drinking milk, but a milk drink.
It is not advisable to drink milk in summer.
Some people think that the temperature is high and milk is hot in summer, so drinking milk in summer is easy to get angry, but it is not. Chinese medicine believes that milk is sweet in taste and flat in nature, which has the functions of moistening lung and strengthening stomach, moistening intestine and relaxing bowels, invigorating qi and nourishing blood, and basically does not cause dryness and heat. Milk contains a lot of water. People can replenish water and nutrition after drinking it, so drinking milk in summer is beneficial.
Milk should be sweetened.
Some people like to drink milk with sugar. We say it is ok to drink milk with sugar, but it is best not to add it at high temperature, because sugar will react with lysine in milk at high temperature to generate a new substance-fructosyl amino acid, which is not absorbed by human body, but harmful to human health. The correct way is to add sugar after the milk is cold, or add sugar after the milk is boiled and cooled to room temperature. In addition, don't add too much sugar, and the proportion of 5%-8% is more appropriate.
Benefits of using milk every day
1 There will be potassium in milk, which can keep the arterial vascular area stable under the condition of high blood pressure and reduce the risk of stroke by half.
Can prevent the human body from absorbing toxic metals and cadmium in food.
Yogurt and skim milk can enhance immune function and prevent tumor cells from growing.
Tyrosine in milk can promote the growth of the happy hormone serotonin.
Iodine, zinc and adjacent substances in milk can greatly improve the working efficiency of the brain.
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Iron, copper and vitamin A in milk have cosmetic effects, making skin smooth and plump.
Milk is rich in calcium, which can strengthen bones and teeth and reduce bone atrophy by half. Drinking a liter of milk every day can make up 80% of the calcium requirement for a day, and drinking milk regularly does not need calcium supplementation.
Magnesium in milk makes the heart and nervous system anti-fatigue.
Zinc in milk can promote wound healing faster.
10 Vitamin B2 in milk can improve vision.
1 1 Drinking milk often can prevent arteriosclerosis.
Clarify the wrong understanding of milk
1. The more fragrant the milk, the better: Wrong. Milk smells like milk when heated, and cold milk smells like milk.
2. The thicker the milk, the better: Wrong. The consistency of milk can directly reflect the quality of milk. If you think the thicker the milk, the better, you can add thickener, stabilizer or milk powder, but this is not pure milk.
3. Bulk milk is good: wrong. Because I don't know the health status of cattle, experts suggest that it is best not to drink bulk milk.
4. Milk tastes delicious when heated: Wrong. If you want to drink hot milk, you can soak it in hot water (without boiling water). Milk should not be cooked at high temperature for a long time, nor should it be frozen.
5 drink more milk to get fat: wrong. If everyone drinks 500 ml of milk every day, it can provide about 140 kcal for human body, while normal people need about 3000 kcal, so drinking milk will not lead to obesity.
6 imported dairy products are good: wrong. Domestic products are better than imported ones. Pay attention to the production date and shelf life when buying.
7 Milk can be drunk as water: Wrong. Water is very important to human body. In order to keep the balance in the body, we must supplement it from the diet. Both drinks and milk contain a lot of water, but like hypertonic drinks, drinking too much, especially when sweating and losing too much water, will easily lead to dehydration. Therefore, milk can't be drunk as water.
Coffee with milk is harmful to health.
Drinking pure coffee in moderation (no more than two cups a day) is good for the heart and brain. Milk rich in calcium is a good drink for strengthening bones. But drinking coffee and milk together for a long time will cause liver damage, because this mixture will produce an unstable and indigestible emulsion. French people drink the most coffee and milk in the world, but there are no more people suffering from hepatitis among them than in other countries. It turns out that there is a trick: pour coffee into milk instead of milk into coffee, and it is best to use skim milk. This will prevent milk from going bad in your stomach.
Which is better, fresh milk or long-acting milk?
At present, there are many kinds of milk on the market. In fact, there are only two kinds of milk: fresh milk and long milk. In terms of processing technology, fresh milk is pasteurized and long-acting milk is sterilized at ultra-high temperature. The main difference between them is that pasteurization is an advanced method of fresh milk processing at present, which can not only preserve the nutrients in fresh milk, but also kill harmful bacteria in milk, making the processed milk delicious and pure; Although ultra-high temperature sterilization can also kill harmful bacteria in milk, it also destroys the nutrients in milk, which is not as good as fresh milk.
From the perspective of consumption, the United States, Japan and other developed countries in Europe and Asia sell almost all fresh milk in the market. Therefore, fresh milk is also the inevitable trend of milk consumption in the future.
Distinguish between pure milk and milk-containing drinks
There are all kinds of milk drinks in the market, such as pure milk, fresh milk, yogurt, flavored milk and milk-containing drinks. In fact, these milk drinks can be divided into pure milk and milk-containing drinks according to different ingredients.
Pure milk is also called fresh milk. This product has only one ingredient, which is fresh milk. There are two main indexes to distinguish the quality of pure milk: total dry matter (also called whole milk solids) and protein. The higher their content, the higher the nutritional value of milk. In addition, yogurt popular with consumers is fermented with pure milk, so yogurt is also pure milk.
Milk-containing beverages can be seen from the ingredient list that in addition to fresh milk, there are generally water, sweeteners, fruity agents and so on. And water is often ranked first (the state requires all ingredients in the ingredient list to be listed in the order from high to low). National standards require that the milk content in milk-containing beverages should not be less than 30%. That is to say, the water content cannot be higher than 70%. Because milk-containing beverage is not made of pure milk, its nutritional value cannot be compared with pure milk.
formula
Formula milk powder is developed to overcome the defects of ordinary milk powder. Compared with ordinary milk powder, it removes part of casein and increases whey protein; Removing most saturated fatty acids and adding vegetable oil to increase unsaturated fatty acids; Adding lactose to make the sugar content close to human milk; Reduce the mineral content to reduce the burden on the baby's kidneys; Add trace elements, vitamins, certain amino acids or other ingredients to make it closer to human milk ingredients.
First of all, no fasting:
1, it is not good to drink milk on an empty stomach! Because water accounts for a large proportion in milk, drinking more milk on an empty stomach dilutes gastric juice, which is not conducive to the digestion and absorption of food. In addition, on an empty stomach, the intestinal peristalsis is very fast, the speed of milk passing through the gastrointestinal tract is very fast, and the retention time is also very short. Its nutrition is often too late to be absorbed, so it rushes into the large intestine and goes through the motions. Therefore, drinking milk on an empty stomach is not in line with nutrition and hygiene. The ideal breakfast should be protein, a high-calorie meal, and the amount should not be less than a whole day? . Therefore, it is best to drink milk during a nap or before going to bed late, so as to turn disadvantages into advantages and better play its role. If you are used to drinking milk at breakfast, you must also eat some other foods before drinking milk, so that milk can stay in the gastrointestinal tract for a longer time. If you want to drink a bottle of milk for breakfast, you can eat 50 grams of rice or pasta first, then add an egg and a little pickles and dried tofu, and then drink milk, so that milk can be mixed with other foods in the stomach and stay in the gastrointestinal tract for a long time, which is beneficial to the digestion and absorption of its nutrients. Because food provides enough calories, digestion and absorption are slow and sufficient, so that blood sugar keeps at a high level, and you will be full of energy in the morning.
Milk can be heated, but not boiled. Because boiling will destroy some vitamins, calcium in milk will form calcium phosphate precipitation, which will affect the absorption of nutrients by human body. Boiling milk also has some knowledge. Most people will add milk to sugar and cook it with fire. This will make lysine in milk react with sugar at high temperature to produce fructosyl lysine, which will not be digested and absorbed by human body, but will be harmful to human health. So you have to wait until the milk is not hot.
Experts remind citizens not to drink milk on an empty stomach. It is reported that many people drink milk in the morning, thinking that it can completely absorb nutrition. In fact, drinking milk on an empty stomach will soon be discharged into the large intestine through the stomach and small intestine, so that various nutrients will be excreted before digestion and absorption. The correct way should be to eat something before drinking milk. Hyperacidity leads to degeneration and precipitation of protein, and nutrients are not easily absorbed by the stomach, which can lead to indigestion and diarrhea in severe cases. Therefore, some bread, biscuits and snacks should be accompanied by milk. It can be seen that the main reasons for not drinking milk on an empty stomach are: First, it is easy to cause diarrhea; Second, the absorption efficiency is not high. Because the time through the gastrointestinal tract is too fast. Try to drink milk after meals, which is beneficial to absorption and tolerance.
Second, before going to bed, you can:
Drinking milk before going to bed is beneficial to the body's absorption and utilization of calcium. Most of the calcium taken in dinner is absorbed and utilized by the human body before going to bed. After sleep, especially after midnight, the level of blood calcium will gradually decrease, and the decrease of blood calcium will promote hyperparathyroidism. Hormones will act on bone tissue, so that part of calcium in bone tissue will be dissolved into blood, and the stable balance of blood calcium will be maintained. This dissolution is a self-regulating function of human body, which will become one of the causes of osteoporosis after a long time. Drink milk before going to bed at night. Calcium in milk can be slowly absorbed by blood, and blood calcium can be supplemented to maintain the balance all night, so there is no need to dissolve calcium in bones to prevent bone loss and osteoporosis. Therefore, drinking milk before going to bed is beneficial.
Whether heating milk in microwave oven will destroy the nutrients of milk depends on the length of heating time. Because the heating speed of microwave oven is extremely fast, and the temperature of preserving milk nutrients should not be too high.
According to relevant data, the sterilization ability of microwave oven mainly comes from thermal effect and biological effect. Thermal effect can denature and solidify the cell protein of bacteria, leading to the death of bacteria. If milk is heated by microwave oven for a long time, protein in milk will change from sol state to gel state under the action of high temperature, which will lead to the appearance of sediment and affect the quality of dairy products. The longer the milk is heated and the higher the temperature, the more serious the loss of nutrients, mainly vitamins, of which vitamin C is the most serious loss, followed by lactose.
Drink a glass of milk about 250 ml. If you use a gas stove to heat it, you usually cook it at 70℃ for 3 minutes and at 60℃ for 6 minutes. Then use the microwave oven 1 minute or so. However, it should be noted that there will be uneven temperature when heated in a microwave oven, so stir it before drinking to avoid burns.
Professionals also made it clear that putting bagged milk directly into the microwave oven will have a negative impact on human health. If the packaging material is not marked with the words "can be heated by microwave oven", it is not suitable for direct heating by microwave oven. Milk must be poured into a special container for microwave oven before it is heated in microwave oven. At the temperature below 100℃, ordinary plastics will not have problems. It is suggested to scald the milk bag with boiling water below 100℃ to keep the milk warm.
Love reminder: experts point out that if you can avoid heating and drinking, try not to heat it, so as to preserve the complete nutritional value of milk. Especially for children, complete milk nutrition is more conducive to growth and development. Like pure milk sold in shopping malls or supermarkets, the general health protection is relatively reliable, and there is no need to heat it when drinking.
Nutritional ratio of soybean milk to milk
Milk and soybean milk are the past lives of cheese and tofu respectively. In the progress of food culture, people in the East and the West have found their own forms of existence from "white terror". To tell the truth, tofu is healthy, but it is not as good as cheese in terms of calories. It is no wonder that farmers who eat tofu are often helpless in the face of the fierce attack of nomadic people who eat cheese.
Eating habits can sometimes really change the historical destiny of a nation. The most profound invention of China people is boiled water. The progress of metallurgical technology makes it easy for China people to boil water to drink, which also gives birth to tea culture relying on boiling water. Therefore, after China people bid farewell to raw water, the disease infection rate has been greatly reduced, so the population has expanded. Too many people make the historical process of China people often determined by the number of people, and people's labor force becomes worthless. The biggest job of all wise emperors is to raise a huge population.
However, most Europeans live in a freezing environment, and the level of farming is low, and the population has never been able to get up. Therefore, the human labor force has become precious, so that under the harsh religious environment, the Renaissance can also produce human value and promote the continuous progress of scientific and technological research to make up for the shortage of labor force. Eating high-calorie cheese and meat all day long also makes European blood particularly adventurous and aggressive.
The Japanese were the first to realize this. In order to change the gene of "Little Japan", the Japanese government has continuously increased the proportion of milk in the national eating habits, and also encouraged to eat less rice. As a result, the Japanese soon caught up with China in height, and the population quality was the first in Asia.
The process from tradition to modernization in China is like the evolution from soybean milk fritters to milk bread. With the economic development in the past 20 years, people drink more milk. Should we eat more nutritious cheese next? If the habit of eating cheese was carried forward from the Yuan Dynasty, Eight-Nation Alliance would not have been afraid to go to Beijing a hundred years ago.
Milk can't be drunk overnight
Sterilized milk refrigerated overnight only needs to be heated and boiled, not boiled repeatedly. Milk stored at room temperature usually goes bad overnight. I suggest you read the following article to have a good understanding of milk.
First of all, we should see that the various names of liquid dairy products in the market can test consumers' commodity knowledge. Pure milk, fresh milk, pure fresh milk, yogurt, active milk and fruit milk are all articles around the word "milk". It's actually quite easy to classify them-there are "protein content" on the label and the list of product ingredients that must be marked, which is nothing more than a choice between pure milk and milk-containing drinks. Pure milk is also called fresh milk and pure milk. As can be seen from the ingredient list of the product, there is only one ingredient, namely fresh milk. From its own nutritional value and the degree of recognition by experts, pure milk is an indispensable "mainstream product". There are two main indexes to evaluate the quality of pure milk: total dry matter (also called whole milk solids) and protein. The contents of these two indicators are generally stated on the packaging bag of the product. The higher their content, the higher the nutritional value of milk.
There are two ways to disinfect milk.
A senior engineer surnamed Zhang in a dairy factory said that liquid milk can be divided into sterilized milk, sour milk and pasteurized milk according to the production process. As far as disinfection methods are concerned, there are two disinfection methods: pasteurized milk and ultra-high temperature sterilized milk. As far as packaging forms are concerned, it can be roughly divided into four types: plastic bags, tetra pak, cartons and plastic bottles. Tetra Pak packaging bottles are divided into pillow type (bagged) and brick type (boxed), both of which are made of 5-7 layers of paper and aluminum foil. According to experts, the shelf life and drinking method of milk have a great relationship with packaging, and different packaging and disinfection methods determine the shelf life of milk.
Pasteurized milk: Also called pasteurized milk. Sterilizing at about 80℃ for a few seconds belongs to "short-acting milk" and needs to be preserved at low temperature. The shelf life is usually 1-7 days. When the storage temperature exceeds 4℃, the bacteria in milk will multiply, so it cannot be stored at room temperature for a long time. Pasteurized milk includes whole milk and partially skimmed milk, which is suitable for families with quick disinfection and high purchase frequency.
Bagged milk is cheap, suitable for distribution to thousands of households, and has become breakfast food for many families. House-shaped fresh milk, which looks like a house, is packaged with paper materials that are protected from light and conform to the concept of environmental protection, and adopts the internationally accepted "cold chain control method", that is, the whole process from milk extrusion to production, storage, transportation and sales is carried out at low temperature, and the longest storage period can reach 7 days. One of its characteristics is "freshness": from milk extrusion to product filling in 8 hours; Second, the production technology is advanced and scientific, and the nutritional components are well preserved, and all nutritional indexes are higher than those of ordinary bagged milk. House-shaped milk with rich flavor and mellow taste is a fine product in fresh milk, and its price has been greatly adjusted, and it has begun to approach ordinary people. However, because the price is still at a disadvantage, house-shaped milk can not replace the packaged sterilized milk with good quality and low price for a long time.
Ultra-high temperature (pillow bag/brick box) sterilized milk: also called high temperature milk. Using instantaneous ultra-high temperature sterilization method, the sterilization of packaging materials, packaging box molding and packaging are completed in one production line, that is, from packaging molding to product filling, all in a sealed sterile area. Tetra Pak crisper contains 5-7 layers of protective film, which can protect vitamins in milk from sunlight. The ultra-high temperature instant sterilized fresh milk in Tetra Pak's fresh-keeping packaging is "long-lasting milk", which can make consumers reduce the purchase frequency. The product itself does not need to be refrigerated, and the shelf life is generally 8 months at room temperature, but the premise is that once the package is opened in the unopened state, it should be refrigerated in the refrigerator and drunk within 3-4 days as far as possible. Tetra Pak Pillow packaging is economical and practical, and it is also suitable for carrying out.
"Sterilization" and "sterilization" are difficult to distinguish.
Pasteurization and ultra-high temperature sterilization are two different deep processing methods, and it is difficult to say which is better or worse. The biggest difference between them lies in the different treatment methods of bacteria in raw milk, so the selection and processing of raw milk and the sales, transportation and drinking methods of finished products are different.
After pasteurization, protein and most vitamins in raw milk are basically intact, and non-pathogenic bacteria are not completely killed, which means that some lactic acid bacteria, yeasts and molds will remain, so the shelf life will not exceed 2 days; Ultra-high temperature sterilized milk is instantly sterilized at 135- 140℃ within 3-4 seconds, killing all microorganisms in raw milk and preserving the nutrients in milk to the maximum extent, which is called sterilization. Filling process, ultra-high temperature sterilized milk adopts aseptic filling method. In sales and transportation, pasteurized milk needs cold storage conditions, and the shelf life is mostly 48 hours; Ultra-high temperature sterilized milk does not need to be refrigerated, and its shelf life is as long as 8 months at room temperature. Some people think that pasteurized milk can ensure the pure flavor and nutritional value of fresh milk and taste fresher because of the "cold chain control method". In particular, the house-shaped fresh milk adopts advanced packaging materials, which can effectively prevent ultraviolet rays from damaging the nutrition of vitamin A and vitamin B in milk and protect the nutrition, freshness and taste of milk.
All products marked with the words "sterilized milk" can be drunk within the shelf life; People who are used to hot drinks should not boil milk until it gets warm. Because if the boiling time is too long, it will not only destroy vitamins, but also cause protein coagulation and calcium precipitation, reducing the nutritional value of milk. Sterilized milk refrigerated overnight only needs to be heated and boiled, not boiled repeatedly. Tetra Pak packaging can resist the invasion of germs, oxygen, ultraviolet rays and moisture to fresh milk, so it can be drunk directly. Be careful not to heat tetra pak products in the microwave oven, because the packaging contains metal components, and sealed packaging items may cause explosion if heated in the microwave oven.
Drinking can't be without taboos.