The state and relevant departments are still discussing and verifying the gutter oil detection method. The following points are summarized from experience for your reference.

1. Taste the taste: If the oil smells spicy, it is likely to be cooking oil refined from gutter oil;

2. Identify the odor: take a small amount of cooking oil and Rub the palms of your hands back and forth. If there is an odor, it is likely that gutter oil has been mixed with it;

3. Put it in the refrigerator: put the oil in the refrigerated area of ??the refrigerator at 5 to 8 degrees Celsius, 2- After 4 hours, solidification and crystallization appeared, which was probably waste oil. Because animal oil containing a considerable amount of oil is added to gutter oil.

4. Burning over high fire: If the color of the oil changes after being burned over high fire, becoming thicker or black, it means it is most likely gutter oil, because the small particles contained in the gutter oil are burnt. It is easy to change color later.

5. Look at the transparency of the oil. Authentic cooking oil is clear and transparent. If you put a note on one side, you can clearly see the words on the other side under the light from the opposite side. However, gutter oil is definitely turbid. The more mixed it is, the turbid it will be.

This society is full of vicious competition and unscrupulous businesses. You don’t need to panic. What you need is to slowly understand so that you can distinguish something. Of course, the most important thing is to place your hope. The state has strengthened supervision to provide consumers and regular manufacturers with a safe food environment