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Answer: (1) It is best to drink milk at night. Because milk contains a substance that can make people tired and drowsy - Ltryptophan, as well as trace amounts of morphine, these substances have a certain sedative and hypnotic effect.
In particular, L-tryptophan is the main raw material for the brain to synthesize serotonin, and serotonin plays a key role in brain sleep, which can temporarily inhibit brain thinking activities, so that people want to sleep, and there is no ***, and milk sticks to the stomach wall to absorb well. The calcium in milk can also clear tension and is more beneficial to the sleep of the elderly, so drinking milk at night is conducive to people's rest and sleep. Drink milk before going to bed at night, the calcium in the milk can be slowly absorbed by the blood, and the blood calcium is replenished and balanced throughout the night, so that the calcium in the bone does not need to be dissolved, preventing bone loss and osteoporosis.
2) Milk should not be drunk raw, just heat it to temperature. At 100 years old, the lactose begins to caramelize, decomposing to produce lactic acid and formic acid, and the nutritional value is reduced. The color of the milk becomes brown after being boiled for a long time, the fat flavor is reduced, the protein is denatured and precipitated, the vitamins are also lost, and the rotavirus antibodies that prevent infant diarrhea in the milk are also destroyed.
3) Don't add sugar after the milk is boiled and cooled slightly, because the lysine and fructose in milk form fructose lysine at high temperatures, which is harmful to the human body. Sugar is acidic, and calcium in milk is alkaline, and the combination of the two will cause a large loss of calcium.
4) It is not advisable to drink milk on an empty stomach. The fasting body is in a state of starvation and needs energy. When milk is drunk at this time, the body consumes protein as carbohydrates into heat. It stays in the stomach for a short time and is quickly excreted into the intestines, which is not conducive to digestion and absorption.
5) Milk should not be eaten with foods containing tannic acid and oxalic acid, such as strong tea, grapefruit, lemon, bayberry, pomegranate, callus white, spinach, etc. Because oxalic acid and tannic acid will form a precipitate with protein, it is not easy to digest and absorb, destroying nutrients.
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How to drink milk to be scientific and nutritious.
In recent years, people's awareness of drinking milk for fitness and drinking milk for calcium supplementation has gradually increased, and fresh milk is a liquid food with the most complete nutrients and the highest nutritional value after human breast milk, which is most easily digested and absorbed by the human body. Studies have proved that drinking a glass of fresh milk every morning can meet 10% of the body's calorie needs, 40% of the body's needs of various trace vitamins, and if each person drinks 500ml of milk a day, it can meet 80% of the body's daily vitamin and calcium needs, and has anti-cancer effects.
Which milk is more nutritious.
There are only two types of milk that are common in daily life: one is fresh milk (with a short shelf life); One is called room temperature milk (long shelf life). Fresh milk is pasteurized, and room temperature milk is pasteurized.
The difference between the two is that pasteurization is currently an advanced method for fresh milk processing, which can not only preserve the nutrients in fresh milk, but also kill the harmful bacteria in the milk, so that the processed milk is delicious and pure, and the shelf life is generally about seven days. UHT treated milk has a long shelf life, but this process is at the cost of killing all microorganisms, killing harmful bacteria in the milk while also destroying the nutrients in the milk, which are not as nutritious as fresh milk.
The best time to drink milk.
Milk is best drunk in the evening or half an hour before bedtime. It is best to eat some starchy foods first to facilitate absorption. Because milk contains substances with hypnotic effects, due to its effect, it is often only a glass of milk needed to sleep peacefully.
The other is a natural morphine-like substance that has a sedative effect similar to dust suppression.
Most of the calcium ingested before dinner is absorbed and utilized by the body before bedtime. After sleeping, especially after 0:00 at night, the level of calcium in the blood will gradually decrease, drink milk before going to bed, the calcium in the milk can be slowly absorbed by the blood. Blood calcium is replenished throughout the night to maintain balance, which is another major benefit of drinking milk before bedtime.
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The nutritional value of milk is very high, but if it is not drunk correctly, it will have adverse effects on the body, so it is necessary to pay attention to the following aspects when drinking milk correctly.
1) Not all people are suitable for drinking milk. People who are frequently exposed to lead, milk fat, blood clots, diabetics, and obese people should drink skim milk. Patients with intolerance, milk allergy, patients with reflux esophageal surgery, patients with intestinal microsyndrome, inflammation and others should not drink milk.
According to the different fat content, milk is divided into three categories: full-fat, semi-dehydrated, and skimmed. Among them, whole milk contains all the components of milk, has a good daily feeling, is high in calories, and is suitable for children, pregnant women and the elderly; Semi-skimmed milk is a kind of milk for mass consumption, which is more suitable for middle-aged people. And high blood pressure, high blood.
2) Drink milk in moderation. Normal consumption of milk does not lead to excessive protein, and a 250ml bag of milk contains only 7 8 grams of protein, which is only 1 100 of the total amount of protein the body needs in a day. Adults can drink 250 ml per day, children, adolescent children, pregnant women, nursing mothers, middle-aged and elderly people over 50 years old can drink 500 ml per day; If you drink 500ml of milk a day, it is best to choose low-fat or skim milk to prevent excessive fat intake.
3) Milk should not be drunk as water. Milk contains a lot of water, but it is high.
Osmotic beverages, which are consumed by too many people or when sweating or losing too much water, can easily lead to dehydration. In addition, because the calcium and magnesium ions in milk will form complexes with drugs, taking drugs with milk will affect the efficacy of drugs.
4) Milk should be drunk warm, not boiled. Milk can be heated and drunk, but not boiled. After boiling, the milk protein will change from a sol state to a gel state under the action of high temperature, and the calcium will precipitate, and the originally rich vitamin C and other vitamins will be destroyed, and the nutritional value will be reduced.
5) Timing milk. Do not drink milk on an empty stomach, do not drink milk with tea, coffee, do not add orange juice or lemon juice to milk, because orange juice, lemon juice contains fruit acids, which will denature the protein in the milk, thereby reducing the nutritional value of the protein. Drinking milk in the morning should be accompanied by some starch-rich cereals; People who don't sleep well at night or are thinner can drink a glass of milk before bedtime.
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Milk has become a part of many people's healthy lives. But in fact, drinking milk is a technical job, and different groups of people have their own particularities, but the wrong drinking rules will greatly reduce nutrition.
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When drinking milk, you must pay attention to find the right time to drink milk, otherwise the milk you drink will be in vain.
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1.It is best to drink milk without added sugar. Otherwise, it is not only not easy to be digested and absorbed, but also remains in the digestive tract and affects gastrointestinal function.
2.Milk can be heated, but not boiled. Because after boiling, some vitamins will be destroyed, and the calcium in milk will form calcium phosphate precipitation, which is not easy to be absorbed by the body.
3.Milk is rich in calcium, so there is no need to add more calcium. "Calcium-fortified milk" and "high-calcium milk" are not necessary, and excess calcium will combine with the casein in milk to form coagulants, which will cause nutrient loss.
4.Don't just drink milk for breakfast. Drinking milk on an empty stomach can accelerate gastrointestinal motility and cause malabsorption. The correct way is to eat bread, pastries, etc. for breakfast, and then drink milk, which will make the nutrition more balanced.
5.Drink milk and don't eat chocolate at the same time. Because the oxalic acid in chocolate will combine with the calcium in milk to form calcium oxalate, so that calcium cannot be fully absorbed by the body.
6.Milk should not be taken at the same time as medicine. Because milk reacts with many drugs, reducing their effectiveness and sometimes forming new toxic substances.
Benefits of drinking milk regularly.
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No. It's just that you'll get fat. Hey.
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