Soybean oil needs these five processes after pressing

In the production of soybean oil, we know that there is leachable soybean oil and pressed soybean oil, and we know what heavy craftsmanship is needed after pressing soy oil to be packaged into finished products, let us eat it. Here are five points to take a look at the five most important processes that soybean oil needs to do after pressing. What are the key functions of these five processes in the mainland?

[1] Soybean oil deacidification process

The deacidification process of soybean oil is mainly one of the refining methods of soybean oil manufacturers in the process of preparation. The deacidification method of soybean oil is neutralized with trisodium phosphate and then separated by a centrifuge.

[2] Soybean oil decolorization process

The decolorization process of soybean oil is mainly one of the refining methods of soybean in the process of preparing high-quality soybean oil. The traditional decolorizing agent used for decolorization of edible oil is activated clay and activated carbon.

[3] Soybean oil deodorization process

Unsaturated fatty acids in oils and fats are prone to produce trans fatty acids. Therefore, in the processing of oils and fats, the harm of trans fatty acids to human health has received more and more attention in countries around the world. Therefore, research and comparison on the effects of deodorization process conditions on trans fatty acid content in different oils have attracted wide attention. Deodorization is often carried out when processing high-quality fat products. Deodorization of oil can not only remove odor substances in oil, improve the smoke point of oils and fats, improve the flavor of edible oils, but also effectively improve the safety of oils and fats.

[4] Soybean oil degumming process

The degumming of soybean oil can be simply described as: adding water to the hair oil, the hydrated gum (phospholipid) is insoluble in oil and can be separated from the oil. Although this process is simple and reliable, it is not easy to remove the gum and achieve satisfactory results with minimal loss of neutral oil. The gums in edamame oil include oil-soluble lipids and acetone-insoluble matter. However, the typical soybean oil gum has great hydrophilicity. After water absorption, the specific gravity is increased to facilitate separation from oil, which is more beneficial for soybean oil manufacturers to produce high quality soybean oil and natural soybean oil.

[5] Soybean oil degreasing process

The degreasing process of soybean oil is mainly one of the refining methods of soybean in the process of preparation. The degreasing of soybean is soybean meal, and the non-fat is soybean. It is better to label the raw materials with defatted soybeans. It is not good to use “bean meal”. The actual defatted soybean is bean cake (bean meal).

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