Household:

Boil the milk, let it stand for a few hours, remove the top layer of milk skin (i.e., fat, this method can generally remove 80% of the fat) that is to become. This product is suitable for feeding infants and young children suffering from diarrhea, dysentery, enteritis and other intestinal diseases. Due to remove the fat of the milk containing low calorie, lack of vitamin a, d, etc., can be supplemented with other foods, after the disease should continue to feed whole milk.

If you're not in a hurry, you can leave your fresh milk overnight at home. Because the milk fat contained in it has a small specific gravity, it floats on the surface of the milk and can be removed with a straw or a spoon. It can also be removed by boiling the milk to remove the skin three times in a row to minimize the fat. However, repeated boiling of the milk is not desirable because many of the nutrients in the milk are destroyed while the fat is removed.

Industry:

Centrifugation and other methods are commonly used to remove the fat from milk to make cream.

Expanded Information:

Low-fat milk for adults, and not only rely on milk to supply energy, often favor the high quality protein contained in the milk, so prefer less fat in the milk, become low-fat, skim milk.

After the campaign, as soon as possible to restore physical energy, timely replenishment of nutrients consumed is "urgent", then what exactly is the best drink? We recommend low-fat milk.

Recently, a number of studies have been conducted on low-fat milk and low-fat chocolate milk as sports drinks for athletes' endurance and stamina recovery. The body's preferred energy source is carbohydrates (sugar), which are stored primarily in the muscles, and protein, which is needed to grow and repair muscles.

Milk provides both carbohydrates (lactose) and protein (whey and casein). Compared to regular sports drinks, low-fat milk, either plain or with chocolate, has a comparable or even better effect on muscle growth and repair. Drinking low-fat milk after exercise is especially good for physical recovery.

The benefits of using milk as a sports drink don't stop there. Milk contains a variety of electrolytes, such as sodium and potassium, which replenish the body's loss from sweat during exercise. Milk is also rich in nutrients like calcium, phosphorus and vitamin D.

Skimmed milk is the normal milk fat removed part of the fat content down to less than 0.5%, less than 1/7 of the amount of fat in ordinary milk. here skimmed milk refers to the whole skimmed milk, is relative to the whole milk in terms of, between the two and the low-fat milk. The production of this kind of milk to meet the modern pursuit of "high protein, low fat" nutritional needs.

The fat content of whole milk is about 3%, low-fat milk (semi-skimmed milk) contains 1.0 to 1.5% fat, and full skimmed milk contains 0.5% fat. The fat portion of milk has a number of good things going for it. First of all, the aroma component is all present in the milk fat. Skimmed milk has little aroma and therefore tastes a little worse than whole milk. Secondly, some fat-soluble substances in milk (e.g. vitamins A, D, E, K) are lost in the process of skimming. In addition, milk fat contains a variety of anti-cancer substances, especially *** conjugated linoleic acid, there may also be a certain degree of loss.

Reference: People's Daily Online - What do I need to pay attention to when consuming low-fat milk?

Baidu Encyclopedia-Skimmed Milk