Milk long was considered as a main product of food after bread. However since recent time the physicians began to doubt whether this product is so useful. Those who loves it need to arm with useful information to have an opportunity to choose safe milk.
Milk is a valuable source of calcium. Therefore it, generally recommend to drink to children and pregnant women.
House, fresh-killed
If you are a resident of the village, then a question, useful milk of a cow (goat) or not, most likely, won't even come to you the head. Really, these animals give natural dairy product which it is pleasant to adults, and children to drink both.
But, being a city dweller, you are deprived of an opportunity to drink a new milk. The fact is that it needs to be cooled within the first 2 hours after milk yield, otherwise it will lose the lion's share of the advantage. Besides, in such milk there are much more bacteria, including, harmful, than in store. And when boiling all advantage is killed.
To drink a raw new milk, it is necessary to milk a cow or a goat with own hand. But it is possible to buy the cooled house product nevertheless. But only in case you are sure of conscientiousness of the milkwoman. Upon purchase of cow's or goat milk it is necessary to make sure not only of health of an animal, but also of purity of a container. And only very close familiar milkwoman can provide it.
Store milk
It is better not to risk, buying a new milk, and to get a product which underwent pasteurization. Such milk is on sale in soft plastic bags. The product undergoes pasteurization within 20 seconds at a temperature 65-75os. As a result of such processing the pathogenic microflora – colibacillus, causative agents of cholera and typhus, etc. dies, - but their disputes remain. Therefore the period of storage at such milk is only several days. This most useful milk from store products. Ultra heat-treated milk most often is on sale in rigid briquettes. This product undergoes thermal treatment at high temperature (+125-140os) within 2-4 seconds. This method allows to keep the lion's share of useful substances and to considerably increase a product period of storage – up to 1.5-2 months. Probably, the safest milk – sterilized. It is the most useless. The product is boiled within half an hour at a temperature of 115-120 wasps. Naturally, after it processings perish both harmful, and useful bacteria. On counters sterilized milk can be seen in glass bottles. To receive the maximum advantage of milk, it is necessary to drink it separately from other products. Besides, it is recommended to warm up it previously to room temperature.