The color of high-quality soybean oil is very clear and transparent, and the color is relatively uniform, generally yellow. Moreover, after the bottle cap is opened, there will be some natural soybean fragrance taste, not too strong, not to mention pungent taste, and there is no peculiar smell. A few shakes won't produce many bubbles, and there is almost no sediment in it.

Second, inferior soybean oil.

In the case of inferior soybean oil, the color is generally brown or brown, slightly turbid and contains a small amount of suspended matter. There will be some slight turbidity in inferior soybean oil, which will produce a lot of bubbles after shaking, and sediment will float on the oil surface. It smells dull and odorless, but it has a slight smell. Because of turbidity, the color is darker.

Third, inferior soybean oil.

Inferior soybean oil, its oil must be very turbid, with a lot of suspended solids and sediments. The smell is strong, so it doesn't smell good. Its color is very turbid, even if it is still, there will be many bubbles in it. This kind of inferior soybean oil is usually made from the leftovers of fine soybean oil mixed with some additives, which is very unhealthy.

Fourth, primary soybean oil.

First-class soybean oil is made by soaking and squeezing pure natural soybean, and its quality is very high. Because the first-grade soybean oil is made by squeezing or leaching, and the additives cannot be excessive, and the packaging label must indicate the origin of the raw materials, and there must be a bar code.