election yogurt bacteria should take a closer look

First, to identify the species
Experts say there is a lot of milk (milk), ferrous lactate, lactic acid (citric acid), spices and preservatives such as processing preparation of the "milk yogurt," because with the dead bacteria, so I do not have yogurt viable health effects, carefully identify the time of purchase. "According to state regulations, the activity of lactic acid bacteria of lactic acid bacteria beverages must be at least 10 quadrillion months, so people buy when you can first see if there is no such labeling, and the number of lactic acid bacteria indicated whether the target."
Second, to identify bacteria
Yogurt contains bacteria, determine the health value of yogurt. Good bacteria allows fully fermented milk thus produce good taste. However, the reporter visited Guangzhou last week, major supermarkets and found that yogurt, probiotic dairy drinks and potassium lactate and brand are very many, and which also contained a number of probiotics names. Consumers are buying yogurt has told reporters that the strains indicated on the package have not heard of most of their own, so the choice is difficult to distinguish between what they really want yogurt products.
Third, we should choose freezers
According to experts, lactic acid bacteria at 0 ℃ to 7 ℃ environment will stop growing, and with the ambient temperature, the lactic acid bacteria multiply rapidly, rapid death, then no viable yogurt became acidic dairy products, its nutritional value will be greatly reduced. Yogurt in the open, it is best to drink within 2 hours.