How to identify the quality of edible vegetable oil?

Edible vegetable oil is an essential food for every family. Many people eat it but do not know how to identify its quality. According to the staff of the Autonomous Region Food and Drug Administration, when looking at vegetable oils, transparency is at a glance. The pure oil should be transparent, and the transparency of the edible oil will decrease because impurities are mixed in the production process. Second look at the color. The pure oil should be colorless, because the oil in the oil is dissolved in the oil during the production process, the oil is colored. Look at the sediment. The main components of edible oil are impurities, which sink under the conditions of the oil in the bottom layer. When buying oil, it is best to choose a transparent, light color (except sesame oil, small oil), non-precipitated oil. Smell smell. Each oil has its own unique odor. When you open the lid, you can smell it near your nose. You can also drop one or two drops of oil on the palm of your hand, rub your hands together, smell the smell when you feel hot, there is a problem with the smell of the oil, and you can't buy it. Five tastes. Use clean chopsticks or glass rods, take a drop or two of oil, and apply it on the tongue to taste the taste. The oil with sour taste is unqualified. The oil with coke and bitterness has been rancid. The oil with odor may be adulterated with oil. . Six listen to the sound of burning. Identify whether the water content exceeds the standard, take a drop of oil at the bottom of the oil layer, apply it on flammable paper, light it and listen to it. The sound of burning without sound is a qualified product; if the combustion is abnormal and a “buzzing” sound is produced, it is an unqualified product; when it is burned, an explosion sounding “Baba” indicates that the water content of the oil is exceeding the standard and may be mixed. Fake products can never be purchased. Seven to see the label, edible vegetable oil is the country's food production license, regular manufacturers of products are marked with "QS" logo, without this mark can not be purchased.

In addition, to remind consumers, do not use plastic barrels to store edible oil, it is best to use glass bottles, do not eat repeatedly heated cooking oil.