Production method of refined soybean oil
A production method and essential oil technology, which can be applied in the production of fat oil/fat, essential oil/spice, and fat production, etc., can solve problems such as health hazards and other problems
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[0019] The present invention will be further described with an embodiment below:
[0020] A production method of soybean essential oil, specifically comprising the following steps:
[0021] Soybean crude oil is filtered with 120 orders / inch crude oil coarse filter to remove slag;
[0022] The leached crude oil after coarse filtration is heated to about 85 ℃ by a plate heat exchanger;
[0023] Add food-grade phosphoric acid with a concentration of 85% to the heated soybean oil for acid refining and degumming, the dosage is 0.05%-0.1% of the oil, and the reaction time is about 25min-30min;
[0024] Use alkali to neutralize free fatty acids, so that free fatty acids can form soapstock;
[0025] Two centrifugal separations are carried out on the crude soybean oil after alkali refining and deacidification: the first centrifugal separation is composed of two centrifuges, the first centrifuge separates the oil and soapstock, and the oil enters the second centrifuge as a light phase...
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