How to identify waste oil and what are the hazards of waste oil

Everyone must be familiar with gutter oil, and know that it exists in our lives. Inferior oil is obtained from the sewers or grease traps of large restaurants after secondary purification. However, this oil has many hazards to the human body. When purchasing cooking oil, you must learn how to identify gutter oil and understand the hazards of gutter oil.

How to identify waste cooking oil

1. When identifying gutter oil, you can look at the transparency of the oil. Real pure plant oil is transparent, it is a pure colorless oil, while gutter oil contains some pigments, its oil will have a certain color, and its transparency will also decrease. Some impurities will also precipitate in inferior gutter oil.

2. To identify gutter oil, you can smell it. The simplest way to identify it is to drop a drop of gutter oil directly on your palm, then rub your palms together, and then smell the odor it emits. If there is a special smell, it means it is gutter oil. If there is a natural fragrance, it means it is a relatively good quality edible oil.

3. When identifying gutter oil, you can take a small amount of oil and put it in your mouth and taste it slowly. Use chopsticks to dip a small amount of oil and put it in your mouth. If it tastes sour, it means the quality of the oil is not good and it may be gutter oil. If it has a burnt and bitter taste, it means the oil has become rancid. If the oil tastes normal, it is normal edible oil that can be eaten.

What are the hazards of waste oil?

Gutter oil has many harmful effects on the human body. After consuming gutter oil, people will not only experience diarrhea, abdominal pain, nausea, vomiting and other discomfort symptoms. In addition, there are some important carcinogenic ingredients in gutter oil. If people eat gutter oil for a long time, it is easy to cause body cells to become cancerous, which will lead to a high incidence of cancer and the harm to human health is particularly obvious.

Today I introduced to you some knowledge related to gutter oil, so that you can understand how to identify gutter oil and know the dangers of eating gutter oil. In the future, you must pay attention to identification when purchasing edible oil, and try to avoid eating gutter oil to prevent it from causing harm to the human body.