Processed soybean oil have four levels
Level one and two soybean oil are yellowish or colorless, clear and transparent. Level three and four soybean oil is yellow or brown, but having the smell and taste of soy itself, that is, we often say that the bean flavor. Soybean oil has a discoloration process, so that the level three and four soybean oil have deeper color.
As the process complex, with the same brand soybean oil level one and two are more expensive than level three or four.
No matter which level of oil, as long as they meet national standards, they are healthy. Although level one and tow oil with high refining degree, they lost a lot of nutrients, such as soybean oil carotene which will be lost in the process of discoloration. Level three and four edible oil have higher levels of impurities, but also retained some carotenoids and other nutrients beneficial to human body composition. Thus, according to the individual needs of different, choose different levels of cooking oil.
