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Is it normal for pure milk to have white scum floating in it?

It is not normal, it is best not to drink it.

Hangzhou Quality and Technical Supervision and Inspection Institute of experts believe that the milk appeared in suspension often occurs, may be uneven mixing caused by, may also be transported on the way did not do a good job of preservation and refrigeration work led to. Generally speaking, there are suspensions belong to the quality defects, but does not necessarily mean that the spoilage, to be tested to judge.

If it's just a physical change, it's not a big deal to drink it once or twice in a while, and it won't cause any harm to the human body, but it's best not to drink it.

Experts remind consumers, food once found problems, must be the first time to save, and timely contact manufacturers, as soon as possible for testing. If delayed, food spoilage, it will be more difficult to say.

Extended information:

Milk can't be drank if it appears to be lumpy.

Milk's creamy taste and flavor is mainly reflected through its nutrients, such as protein, fat, lactose, etc. In addition to these major nutrients, there are some trace organic matter, such as various enzymes, although the number of enzymes is tiny. The number of enzymes is tiny, but the impact on the composition and flavor of the milk is very large, pure milk lumps, generally caused by enzymes.

After the caking of milk, the composition has changed, and consumption will directly affect the health of consumers, such as vomiting, diarrhea, dizziness and other phenomena. After the milk spoilage, there may be packaging expansion, or milk in the lumps, layering and other phenomena, consumers remember, never eat.

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