International Milk Day, drink milk also want science

Milk has been hailed as "the closest food to perfection". In recent years, with the improvement of people's living standards, the majority of consumers to drink milk fitness, drinking milk to fill calcium awareness is also gradually enhanced. In the "World Milk Day" arrival, Zhengzhou People's Hospital nutrition division Zhangqing explained the main role of milk and drinking milk attention.

Milk Nutrition:

Milk is a food of high nutritional value, it can provide high-quality protein, and the proportion of the necessary amino acids also meet the needs of the human body; Milk carbohydrates are mainly lactose, there is regulation of stomach acid, promote intestinal peristalsis and promote the secretion of digestive fluid; milk contains rich calcium, is the best calcium supplementation food. The average 100ml contains 100mg~120mg calcium, and the proportion of calcium and phosphorus is the most suitable for the human body, in addition to milk also contains a certain amount of fat, all kinds of vitamins and some minerals, nutrition is very rich.

Classification of milk:

Milk can be classified as liquid dairy products, milk powder, milk cream, condensed milk, cheese, ice cream and other dairy products, such as the seven major categories.

According to the different fat content, milk products have whole fat, partial skim, skim of cent. National standards stipulate that pasteurized milk, sterilization pure milk and pure sour milk fat content of whole fat for ≥3.1%, partial skim is 1%-2%, skim for ≤0.5%, sterilization seasoning milk and seasoning sour milk, fruit sour milk fat content whole fat is ≥2.5%, partial skim is 0.8%-1.6%, skim for ≤0.4 %。 Milk products are high in fat quality, easy to digest and absorb, supply human energy, including some skim and skim milk for healthy people, especially the need to limit and reduce saturated fat intake of adults drink.
According to the degree of sterilization, no liquid dairy products can be divided into raw milk, sterile milk and sterilized milk. Raw milk in China's market has not yet become popular, since it has not been sterilized and sterilized, the sterilized milk has been pasteurized, but the bacterial bud of the bacterium has not lost its activity and must be transported and preserved at 0-4 ℃ degrees; there are two kinds of sterilized milk, one is ultra-high temperature sterilization milk, It is the milk after 135 ℃ degree above 1-2 seconds Ultra high temperature instantaneous sterilization after aseptic filling, another is to maintain sterilization milk, is the milk can be sealed, after 110 ℃ degrees above 15-40 minutes of sterilization procedures to achieve commercial aseptic level, at room temperature for more than 6 months. After disinfection and sterilization of the best fresh drinking milk, in the shelf life can be opened that drink, not necessarily to heat the drink again. If some people's stomach is not suitable to eat cool or like to drink hot milk, you can properly heat the milk, but the temperature can not be too high, not boiling, lest cause loss of nutrients, generally recommended heating to 75 ℃ below.

There is a nutritional comfort in the market a lot of people do not know it and the difference between ordinary milk, compared to ordinary milk to ease the milk molecules smaller, more conducive to human body absorption, but the two are not much different from the nutrition.

The time to drink milk

Zhangqing told us that there is no substantial difference in drinking milk at any time of day, sooner or later, or at ordinary times, you can drink milk, which can be determined according to your personal habits. But she reminded us: If you drink breakfast, do not drink milk on an empty stomach, because the fasting drink milk, milk nutrients can not be very good absorption, stomach too late digestion, small intestine too late to absorb, the nutritional value of milk can not be reflected, the proposal to reference milk while eating the right amount of grain cereals (such as steamed bread, bread, biscuits, etc.). Drink milk before bed at night, also can replenish nutrition, and milk contains an easy to make people tired of substances--l-tryptophan, the human body has a calming effect, can promote sleep, deepen the depth of sleep, to ensure adequate rest, conducive to the next day's study and work, especially for neurasthenia, poor sleep people have a clear role. But zhangqing do not suggest drinking too much milk at night, if drunk more, on the one hand will often bathroom, but affect the quality of sleep, on the other hand, for the beauty of women to consider the content of fat.
The milk is unfit for the crowd

Milk is basically suitable for all groups, but a few people who drink milk will appear abdominal pain, diarrhea, flatulence and other uncomfortable gastrointestinal symptoms. This is because the carbohydrates present in milk are not absorbed well by humans. For these people zhangqing suggest can drink a few times or use yogurt instead of milk, avoid fasting drink milk, and also choose to drink low lactose milk method to avoid these symptoms. There are allergic to milk and some doctor's advice is not appropriate to drink milk disease patients are not suitable for drinking milk.

Nutrition Division Zhangqing also reminded that drinking milk at room temperature 20-30 degrees Celsius is advisable. Do not drink directly from the refrigerator, will cause gastrointestinal discomfort, but also not suitable for prolonged cooking, so as not to destroy nutrients. Finally zhangqing recommended that each person should drink 300 grams of milk per day or a considerable amount of dairy products, hyperlipidemia and overweight people should choose to reduce fat, low fat, skim milk and its products.

(Yangdong correspondent Liu)