Generally speaking, after three months of opening the milk powder is not recommended for babies to drink again.
Generally speaking after opening the milk powder if in a month or so have not eaten, do not give the baby to eat, after opening because of contact with oxygen and some external environmental impact may lead to the milk powder in the bacterial flora of the number of exceeding the standard, the baby ate up easy to gastrointestinal discomfort, and even cause enteritis.
At the same time, the milk powder is opened for too long, some nutrients are easy to be oxidized, especially vitamin C, vitamin E, DHA and other substances are very easy to oxidize and deteriorate, resulting in a decline in the nutrition of the milk powder.
The milk powder must pay attention to the preservation after opening. In order to avoid contamination and deterioration of the milk powder, after opening the milk powder is usually room temperature, light, dry, cool storage can be, in each time after taking, canned milk powder must be tightly covered with a plastic lid, bags of milk powder to tighten the mouth of the bag. It is recommended that you do not continue to consume it after it has been opened for more than a month.