How to tell if milk is spoiled

Milk is a food with high nutritional value, but its shelf life is very short. Some people buy it but it goes bad before they have time to drink it. Some milk tastes wrong when they drink it within the shelf life, which also means it has gone bad. So how can you tell whether milk is good? If you want to know, learn a few tricks from the editor.

How to tell if milk is spoiled

1. Identify whether milk has gone bad after adding water

Usually, after you buy fresh milk, you can take a small portion and mix it with water. If some solid properties appear in the milk after mixing with water, it means that the milk is no longer fresh and may have deteriorated. It is recommended not to drink it.

2. Check whether the milk has gone bad after cooking

Put the milk you bought in a milk pot and boil it. After it boils, let it cool down a little and take a look. If a layer of natural cream appears on the surface of the milk, it means it is fresh milk. If tofu-like substances appear, it means the milk is not fresh. However, if tofu-like substances appear and the milk tastes bitter, sour or other strange smells, it means that the milk is completely spoiled and can no longer be drunk.

3. How to tell whether bagged milk is spoiled

In daily life, bagged milk is also the main drink for people. Most people will look at the shelf life of milk. In fact, some milk will deteriorate if it is exposed to bad environment during the shelf life. The most obvious manifestation of deterioration is swelling of the bag and thinning of the milk. Sometimes the milk will turn sour. After encountering these situations, milk must not be drunk anymore.