Can fresh milk be heated
Fresh milk is a kind of nutritious dairy products that many people will drink, many people will drink a cup of it every day in their life, so it is very nutritious. But many people would like to drink warm milk, especially in winter, but they are afraid that heating will make the nutrients in the milk are lost. Then fresh milk can be heated?
Fresh milk can be heated, but the temperature to just drink for easy, the temperature is too high will destroy its nutrients, the best to drink fresh milk is the kind of daily delivery. Milk heated to 130 degrees Celsius to achieve full sterilization, but at the same time will lose its own nutrients. However, in the home heating generally will not reach that high temperature, slightly heated into the temperature, the loss of nutrients is not big.
Milk can be heated, but you can't let it boil for too long, or the protein in the milk will coagulate into an indigestible gel, which is not conducive to absorption. So milk heating temperature should not be too high, heated to 100 ℃, milk is not only color, aroma, taste is reduced, nutritional value is also greatly reduced!
So, how to heat the milk is correct? In fact, the use of water heating method is the most appropriate. If the use of microwave heating to be careful not to long, because the temperature is high, the nutrients of milk will still be destroyed, but also note that the use of microwave heating will have the phenomenon of uneven temperatures, so drink before you have to shake in order not to be scalded.
Methods of heating fresh milk
Fresh milk can be heated, many people have the habit of drinking fresh milk, this habit is better. Fresh milk heating should also pay attention to the temperature, once boiled, the nutrition will be lost, if you need to drink hot milk need to be appropriate heating of the milk. Then what are the methods of heating fresh milk?
1, put on the stove to cook, cook with the appropriate fire (smaller), and must be cooked while stirring, so as to avoid the bottom of the pot and the side of the pot of milk is heated too quickly and the occurrence of scorched. When cooked to the surface of the hot air, you can turn off the fire without boiling;
2, microwave heating, fresh boxed milk must first open the mouth, bottled milk to remove the aluminum cap, heating for tens of seconds, but the method is not suitable for aseptic packages, because of aseptic milk composite packaging materials have an aluminum film layer;
3, with hot water immersion heating, put the milk into the temperature of about 50 ℃ of warm water in the soaked for 5-10 minutes, the temperature of the hot water should not be too high. minutes can be, hot water temperature should not be too high.
Warm tips: milk boiling, nutrition will be lost, and the longer the cooking time, the more loss. This is because as the temperature rises, milk contains vitamins, proteins and other nutrients will undergo chemical changes, color, aroma, taste will be reduced, but also into other substances, so the milk heating time should not be too long.
Nutritional value of fresh milk
People drink fresh milk mainly from cows, buffaloes and sheep, and horses. Fresh milk is a good medium for microorganisms, which has a high water content, a near-neutral pH, and a high content of fat, protein, and lactose, making it rich in nutritional value. So what is the nutritional value of fresh milk?
1, tumor inhibition
Milk and dairy cheese contains a CLA substance, can effectively destroy the cancer risk of free radicals in the body, and can quickly and cell membrane binding, so that the cells are in a state of defense against the invasion of carcinogenic substances, so as to play a role in cancer prevention.
2, promote brain development
Milk is the only food mammals rely on to survive and develop after birth, it contains all the nutrients necessary for the development of its young. Milk contains phosphorus, which plays an important role in promoting brain development in young children. Milk contains calcium, can enhance the strength of bones and teeth, promote the intellectual development of young people.
3, beauty
Milk is rich in nutrients, containing high-level fat, a variety of proteins, vitamins, minerals, in particular, contains more vitamin B, which can moisturize the skin, protect the epidermis, anti-cracking, anti-wrinkle so that the skin smooth, soft and tender skin, so that the hair black to reduce the loss of, and thus play a role in skin care and beauty.
4, sedative
Milk contains a component that can inhibit nervous excitement. The role of sedation and tranquility. Drink a glass of milk before going to bed can promote sleep.
5, help to lose weight
Dairy products are rich in calcium, the fat degradation of the human body is very important. Calcium in dairy products can help the body burn fat and promote the body to produce more fat-degrading enzymes. So if you want to lose weight, eat at least 3 servings of low-fat or skimmed dairy products every day.
6, other
Milk contains vitamin B2, which helps vision. Magnesium in milk relieves heart and nervous system fatigue, and zinc promotes faster wound healing.
Milk contains lactose, which promotes the body's absorption of calcium and iron, enhances intestinal peristalsis, and promotes excretion. Yogurt contains a large amount of lactic acid and beneficial to human health active lactic acid bacteria, is conducive to human digestion and absorption, activate pepsin, enhance the digestive function, improve the human body on the mineral elements of calcium, phosphorus, iron absorption rate.
Fresh milk is suitable for the crowd
Fresh milk is a lot of people are very favorite drink, in the breakfast time to a cup, on the day of life will be injected with full energy, in the evening before going to bed a cup will also help sleep. So what is the appropriate crowd of fresh milk?
Suitable for the crowd:
1, skim milk is suitable for the elderly, high blood pressure;
2, high-calcium milk is suitable for moderate and severe calcium deficiency, children, the elderly, irritability, insomnia, and work stress of women;
3, fresh milk for pediatric malnutrition, pediatric rickets, osteoporosis, postoperative auxiliary treatment;
4, the health of the physique and the quality of peace, qi deficiency physique, qi depression physique, special endowment physique, yang deficiency physique, blood stasis physique are very suitable for drinking milk;
Unsuitable for the crowd:
1, suffering from gastritis, enteritis, cholelithiasis, pancreatitis people;
2, damp-heat physique, phlegm-damp physique, yin deficiency of the physique of the people.
Warm tips: Ice milk soothing sunburn: mix ice water and milk in a ratio of one to one, and then soak a clean cloth. By applying the completely soaked cloth to the burned or dry sore area, you can soothe sore skin.
Dietary taboos of fresh milk
It is certain that there is no one who does not know the existence of fresh milk, which is a relatively important food in daily life, and many people also have the habit of drinking fresh milk every day. But drinking fresh milk is also a precautionary approach, so what are the dietary taboos of fresh milk?
1, do not drink raw milk, drink fresh milk to high-temperature heating, in order to prevent disease from entering by mouth;
2, 80% of the protein in the milk for casein, when the milk pH in 4.6 or less, a large number of casein will be coagulation, precipitation, difficult to digest and absorb, and may also lead to indigestion and diarrhea in severe cases. Therefore, it is not advisable to add fruit juice and other acidic beverages in milk.
3, some people like to use milk instead of water to take medication, in fact, milk significantly affects the body's absorption of drugs, milk is easy to form a covering film on the surface of the drug, so that the milk in the calcium, magnesium and other minerals and drugs to chemical reactions, the formation of non-water-soluble substances, thereby affecting the release of the efficacy of the drug and its absorption. Don't drink milk before and after 1 hour of taking the medicine.
4, should not drink more cold milk, because cold milk will affect the gastrointestinal motility, causing mild diarrhea, so that most of the nutrients in milk can not be absorbed by the body.
5, should not be a long time high temperature steaming. Proteins in milk by high temperature, will be transformed from a sol-gel state into a gel state, resulting in precipitates, reducing the nutritional value.
6, milk and (dark) chocolate should not be eaten together, the ingredients in the chocolate will destroy the calcium in milk, so that calcium can not be absorbed. Milk components will affect the role of chocolate in the role of beneficial components, for example, antioxidant components, anti-thrombotic components, in the case of milk can not be played out.
7, avoid feeding infants with yogurt: yogurt lactobacilli generated antibiotics, although it can inhibit the growth of many pathogenic bacteria, but also destroy the growth conditions of the normal flora beneficial to the human body, but also affect the normal digestive function, especially infants suffering from gastroenteritis and preterm infants, if you feed them yogurt, may cause vomiting and gangrenous enteritis.
8, avoid adding orange juice or lemon juice to increase the flavor: orange juice and lemon are high fruit acid fruit, and fruit acid meets the protein in milk, will make the protein denaturation, reduce the nutritional value.
9, avoid milk add rice soup: milk contains vitamin A, and rice soup and rice mainly starch-based, they contain fat oxidase, will destroy vitamin A. Children, especially infants, if the intake of vitamin A is insufficient, will make the infants and young children, developmental delays, frail and sick.