Method for extracting soybean oil by twice vacuum flash treatment and enzymolysis
A soybean oil and flash steaming technology, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of destruction, inability to use low-denatured soybean meal production technology, and the effect of oil extraction rate is not obvious, etc. Achieve the effects of increasing the leaching rate, maintaining functionality and biological activity, and improving protein utilization
Inactive Publication Date: 2018-10-12
安徽德运粮油有限公司
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The invention discloses a method for extracting soybean oil by twice vacuum flash treatment and enzymolysis. First vacuum flash treatment is carried out on a soybean material after course crushing; the purpose of bursting cell walls is achieved under transient vacuum action and through the aid of the flash steam pressure generated by water in soybean embryonic cells, and fat is accumulated on thesurface layer after the wall bursting treatment. The porosity of the surface layer cells is increased, the leaching rate of grease and protein is improved, and the drying effect is achieved. Then soybean protein and soybean oil are effectively obtained by separation after the enzymolysis treatment, and the protein utilization rate of oil crops is improved. Secondary vacuum flash treatment is carried out on the obtained soybean oil; aldehyde and ketone substances, and free fatty acid generating peculiar smell in the soybean oil are rapidly removed; and meanwhile, the residual water is removed instantaneously. The obtained soybean oil has excellent quality, the loss of natural nutrient components in the soybean is low, the nutritional value is high, and the color reversion does not occur easily.
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