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　　 The difference between pressed peanut oil and extracted peanut oil is mainly reflected in the processing technology, nutrient composition and raw material requirements.

　　 1. The processing technology is different.

　　 "Machine-squeezed peanut oil" uses a purely physical squeezing method, and the processing technology of the leaching oil is a "chemical leaching method."

The production process of physical pressing method requires the selection of raw materials, and the oil is crushed, steamed, fried, and squeezed after removing impurities and stones, so that the fat and nutrient components are destroyed. It is separated from the oil, and fried seeds are added during the pressing process. After being squeezed by the squeezer, it is made by using high-tech natural filtration and purification technology. Any additives, without solvent residue and soap content, is a pure natural green food produced by combining modern technology with traditional technology.

    　The chemical leaching method is an oil-making method that uses the principle of chemical extraction, selects a certain organic solvent that can dissolve grease, and extracts the grease in the oil through contact with the oil (soaking or spraying). The leaching method of oil production has the advantages of low residual oil in the meal (high oil yield) and low labor intensity, but the leached crude oil must be refined by degumming, deacidification, dehydration, decolorization, deodorization, and dewaxing in the peanut oil refining equipment It can only be eaten afterwards.

Peanut oil needs to be refined and processed by peanut oil refining equipment if it wants to meet the first-level and second-level edible oil standards. Reach the original standard one or two or the new standard leaching oil three or four.

　　 2. Different nutritional ingredients.

　　 Pressed peanut oil has complete color, fragrance and taste, and retains the characteristics of various nutrients.

　　 leaching oil is colorless and tasteless, most of the nutrients are destroyed after processing.

　　 The peanut oil standard drafted by the National Grain Administration has been promulgated and implemented, and the 1986 and 1988 standards currently used in my country have been cancelled. The old standard and the new standard stipulated in the year that squeezed peanut oil and leached peanut oil should be marked with the words "squeezed" and "leached" respectively on the product label.

With the progress of society and the improvement of people’s living standards, it is people’s pursuit to pay attention to nutrition and health in diet. The transparency of the peanut oil production process is to let consumers understand the production process of peanut oil and give consumers the right to know. The choice is left to consumers.

　　 3. The requirements of raw materials are different.

"Machine-squeezed peanut oil" adopts pure physical pressing method and retains the original flavor of peanuts. Therefore, the requirements for peanut raw materials are very strict, the raw materials are required to be fresh, the acid value and peroxide value are low, and the price is relatively high; at the same time, because Only pressing, the residual oil in the peanut cake is high, and the oil yield of the pressed oil is relatively low. Therefore, the price of crushed peanut oil is high.