Milk, commonly known as milk, is one of the oldest natural beverage. As the name suggests, milk from cows females who are squeezed out. In different countries, milk is also divided into different levels, the most common is the full-fat, low-fat and skim milk calcium. Milk fat content in accordance with the United States will be divided into five categories, namely, non-fat close (skim), low-fat half (1/2 percent low fat), low-fat (1 percent low fat), reduced-fat (2 percent reduced fat) and whole milk (whole
Currently on the market is also a considerable number of additives in milk, such as calcium low-fat milk, which adds calcium stressed.
Mainly in milk whey protein and casein: whey protein (whey protein) casein (casein): The main protein, accounting for 80% of the milk protein can cause some people gastrointestinal allergies. Γ- and β- lactoglobulin and lactalbumin is only part of the composition of whey protein .β- lactoglobulin (beta-lactoglobulin): can cause some gastrointestinal allergies, but most have the ability to γ- lactalbumin antigen (gamma -lactalbumin)
Milk contains nutrients including rich in protein, amino acids, vitamins, minerals, calcium and so on.
Milk contains iron, copper and vitamin A has the role of beauty beauty can keep the skin smooth and moist; P Is to promote early childhood brain development has an important use; Vitamin B2 helps to improve eyesight; calcium can increase bone tooth body strength, promote intellectual development of young people; lactose can promote the body's absorption of calcium and iron, to enhance gastrointestinal motility, promoting row diarrhea; whey eliminate facial wrinkles painted effect. Milk unfit for human consumption, together with acidic fruits and avoid high temperature for a long time to cook. Milk contains a lot of protein, acidic constitution will promote the loss of calcium, but these things are not quite right. In fact, the protein content of the milk it is only 3%, but up to 87% moisture content. Per 250 grams of milk contains 250 milligrams of calcium, are rich in potassium and magnesium, but also contains promote calcium absorption of vitamin D, lactose and essential amino acids. Milk and meat is different, not as acidic foods, but weakly alkaline foods. Therefore, a comprehensive evaluation of the calcium in milk is still the best food