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What is the difference between pressed oil and leached oil?

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What is the difference between pressed oil and leached oil?

1. The processing technology is different. The processing technology of squeezed oil is “physical squeezing method”, while the processing technology of leaching oil is “chemical leaching method” The production process of the……

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1. The processing technology is different.

The processing technology of squeezed oil is “physical squeezing method”, while the processing technology of leaching oil is “chemical leaching method”

The production process of the physical squeezing method requires the raw materials to be carefully selected. The oil is crushed, steamed and squeezed after removing impurities and stones, so that the fat is separated from the oil. After that, it is made by using technology filtration and purification technology. It keeps the original flavor of peanut, full-bodied aroma, rich in vitamin E, long shelf life, no additives, no solvent residues and soap content. It is a pure green food produced by combining modern technology with traditional technology.

The chemical leaching method is a kind of oil-making method in which an organic solvent capable of dissolving oils and fats is selected and the oils and fats in the oils are extracted through contact (soaking or spraying) with oils. Leaching oil has the advantages of low residual oil in the meal (oil yield) and low labor intensity, but the leached crude oil can only be consumed after chemical treatments such as dewaxing, degumming, dehydration, deodorization, deacidification, and decolorization. Or peanut oil that fails to meet the grade two or two levels of squeezing standards, plus some oil that has been refined after leaching, to make it reach the original standard, second grade or new standard leached oil three or four grades. Due to multiple chemical treatments, Some of the components in the oil are destroyed, and there are residual solvents.

2. Different nutritional ingredients.

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

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

The peanut oil standard drafted by the National Grain Administration has been issued and implemented, and the old standards currently in use in China in 1986 and 1988 have been cancelled.

The new standard stipulates: Pressed peanut oil and leached peanut oil must be marked “pressed” and “expressed” in the product label. “Leaching”.

With the progress of society and the improvement of people’s living standards, diet and nutrition and health have become people’s pursuit. The transparency of the production process of peanut oil is to let consumers understand the production process of peanut oil and give consumers the right to know and choose Power is given to consumers.

3. The requirements for raw materials are different.

“Machine squeezed peanut oil” adopts a pure physical squeezing method, which retains the original flavor of peanuts and juice. Therefore, the requirements for peanut raw materials are very strict. The raw materials require freshness and the acid value and peroxide value are low. Pressing, the residual oil in peanut cake, the oil extraction rate of the pressed oil is relatively low. So the price of pressed peanut oil is relatively partial.

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