Buying milk powder should pay attention to check the shelf life
Once upon a time, China's food packaging had a shelf life and retention period of two standards, the national standard GB7718-94, a pre-packaged food, packaging can choose the shelf life or retention period of any of the labeling, baby food need to be labeled with the two, shelf life and retention period of the "Food Sanitation Law" in the trial period of the enforcement of the The legal basis for the enforcement of the Food Sanitation Law during the trial period.
And from October 30, 1995 onwards, in the field of food hygiene supervision, in the legal sense, only the shelf-life requirements, the shelf-life can no longer continue to implement. Food, if only the shelf life but not labeled shelf life, should always be regarded as a violation of food hygiene law of substandard food. Therefore, the purchase of infant formula, the first should check the shelf life on the packaging to ensure that the food in the shelf life.
Also, because the conditions in which food is stored during the shelf life also play a big role in the deterioration of food, it is best to pay attention to whether the sales environment meets the conditions stipulated on the label when purchasing food, such as refrigerated storage, light preservation, and storage in a cool and dry place. If it doesn't, the food may have spoiled even if it hasn't exceeded its shelf life.
Do you want to drink milk powder that's nearing its expiration date?
Do you want to drink milk powder that is approaching its expiration date? It's not spoiled, so you can drink it!
Generally speaking, the expiration date, that is, not yet reached the expiration date, this time the milk powder can still be drunk.
However, it is important to note that the shelf life labeled on the cans of milk powder cans refers only to the shelf life of the unopened milk powder, not the shelf life of the milk powder after the cans have been opened. Although the shelf life of the milk powder may be two years, but the milk powder can once opened, it is best to let the baby in 1 month to eat, otherwise the milk powder is easy to moisture, and easy to breed bacteria.
What about the shelf life of the milk powder? There are different kinds of situations:
1. The unopened milk powder which has almost reached its expiration date: theoretically, you can drink it.
2, almost to the shelf life of the opened milk powder: if the opening time in a month, theoretically can drink; more than a month, try not to drink.
Of course, the theoretical value is only for reference, we still have to look at the specific properties of the milk powder to see if it is spoiled. If it's spoiled, you can't drink it even if it hasn't reached its expiration date, or if it's been opened for less than a month.
How can I tell if my milk powder has gone bad?
How do you know if the milk powder is spoiled? You can start from four aspects:
01 Odor and taste
How to judge whether the milk powder is spoiled from the taste of milk powder? Take a small amount of milk powder out, and then look at it, its normal milk powder, there will be a little bit of sweetness, it will also have a delicate taste, this time, there is no other miscellaneous tastes appear.
Of course, if you smell is not the above smell, but instead there is some over-heated smell, or the smell of drinks, there is not the smell, or the smell of grease, then, these are all abnormal powdered milk, may have been spoiled powdered milk, can not be purchased or can not be given to the baby to brew and drink again.
◆ 肪氧化味
This is mainly due to the oxidation of unsaturated fatty acids in milk powder, the main factors affecting oxygen, light, heavy metals (especially copper), enzymes and acidity caused by the milk powder storage should be protected from light, heat sealing, not in contact with metal utensils.
◆ 肪酸败味
This is mainly the milk powder processing sterilization is not complete, cow's milk lipase hydrolysis of milk powder fat caused by the way to prevent the production of sterilization temperature, such as ultra-high-temperature sterilization, the milk powder is more than the current use of this sterilization process so the defects are now very few.
◆ Rancid odor and browning
This is caused by the milk powder moisture. Therefore, the milk powder should be stored to prevent moisture, open the main start to eat should be squeezed out of the air as much as possible to tie, so as to avoid moisture into. The fact is that the most important thing is that you have to be able to get the best out of it, and you have to be able to get the best out of it, and you have to be able to get the best out of it.
◆ Bacterial deterioration
Milk powder in the normal moisture content, bacteria will not reproduce but will be with the extension of time and decline (5 ℃ -37 ℃ storage) but if the moisture content of more than 5%, bacteria will grow and cause bacterial deterioration, so the milk powder should not be left on for too long, so as to avoid excessive moisture and even deterioration
02 Milk powder powder texture
Normal The milk powder is a fine, dry powder. Also, the particles are uniform, no clots, no lumps of phenomenon. If the milk powder appears to be seriously clumped, pinched up hard and can not be dispersed, or sticky, it is spoiled (mostly moisture).
03 Milk powder color
Normal milk powder, the color is light creamy yellow, and the color is very uniform, if you find that the milk powder has a very heavy or very white and other seemingly very abnormal color, we must pay attention to, it is best to combine with the smell of the powder texture, etc. to determine whether it is expired.
04 state after brewing
After brewing the milk powder with the recommended brewing temperature of water, the normal milk powder can be restored to the same state as fresh milk after brewing, the milk milk is milky white, with a milky flavor; deterioration of the milk powder in the brewing of the general gray color, there is a charcoal powder precipitation, or a large number of coagulated particles floating, or have a sour smell.
After 5 minutes of sitting, if there is no sediment, it proves that the milk powder has not been spoiled. If the water is separated from the milk, the milk powder has been completely spoiled, mothers can no longer be brewed to the baby to eat.
The above criteria can be used by parents at home to make their own judgment. If you can't judge accurately, then you can show the seller if it's already spoiled.
Reminder: to determine whether the milk powder is spoiled, the four aspects listed above can not be less, if the mother suspected that the milk powder is spoiled, it is best to take out the appropriate amount of milk powder to do so spoiled experiments it.
How to prevent the milk powder from spoiling?
1, when buying the date of production, shelf life must see;
2, before opening the milk powder placed in a dry, cool, sheltered place to save, do not put the refrigerator;
3, after opening each time to open the seal after taking the milk powder need to be immediately after the sealing up, and then proceed to the steps of the brewing;
4, the bag of milk powder before the closure of the gently squeezed out the bag of air;
4, the bag of milk powder before closing the gently squeeze
5, brewing attention to the brewing environment and hand hygiene, to avoid bringing in bacteria, water or other impurities;
6, brewing after the brewing of the milk powder immediately drink, room temperature storage of not more than 2 hours, refrigeration is not more than 24 hours; Milk Powder Shelf Life 3 Questions and Answers
Q: Newly purchased milk powder is still in the shelf life of the open caking how to do it?
A: If the storage environment of the milk powder is more humid, it is easy to appear lumpy phenomenon. Milk powder if damp lumps, but has not yet changed color and taste, hand a pinch on the broken, to eat as soon as possible; if there is a relatively hard solid lumps, and the color has become darker, but also accompanied by a strange smell, that the milk powder has deteriorated, and can not be given to the baby to eat.
Q: imported milk powder EXP is the shelf life or production date?
A: EXP refers to the period of use, i.e. Expiry date (Exp date) of the product. For example, "EXP 03/08" is the product quality assurance deadline is: March 2008
Q: If it is more than 1 year beyond the shelf life, but the milk powder does not seem to be spoiled, can I drink it?
A: More than 1 year after the expiration date, the milk powder does not spoil less. It's been so long beyond the expiration date that it's best not to drink it for the sake of your baby's health.
Summary
All in all, the spoiled milk powder is best not to drink it again whether it is for children or adults. The nutrients in the milk powder are denatured because of spoilage, and you can't get the nutrition you need to drink it, and it may also cause gastrointestinal discomfort such as diarrhea.
At the same time, some parents because too careful, the milk powder is almost to the shelf life but in fact not yet spoiled, but also do not give the baby to drink, in fact, quite a waste. Want to give the baby safe food cautious attitude is commendable, but the quality of normal milk powder actually do not need to be wasted, but also can come to milk tea, double cream, yogurt, ice cream,, cooking sago dew, compresses face and so on.