Preparation method of soybean oil
A technology of soybean oil and soybean, which is applied in the fields of fat oil/fat refining, edible oil/fat, fat oil/fat production, etc. It can solve the problems affecting the production quality of soybean oil, poor quality of crude oil, and low oil yield, and achieve taste And taste pure, improve color, improve the effect of quality
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Embodiment 1
[0025] A preparation method of soybean oil, comprising the steps of:
[0026] Step 1. Soybean pretreatment: the soybeans are subjected to magnetic impurity removal, winnowing and cleaning in sequence to obtain qualified soybeans;
[0027] Step 2. Drying: send qualified soybeans into a microwave oscillator, and dry them at low temperature until the moisture content of soybeans is 12% under the condition of microwave power of 700w;
[0028] Step 3, crushing: sending the dried soybeans into a grinder for crushing to 35 mesh to obtain soybean powder;
[0029] Step 4. Preparation of crude soybean oil: Mix soybean powder, Polygonum multiflorum, Rosa roxburghii powder and ethanol at a mass ratio of 100:6:2:5, and then send the mixture into an ultrasonic oscillator, under the action of ultrasonic waves with an ultrasonic power of 750w , heating and extracting 3 times, each extraction time is 15min, then suction filtration is carried out, the organic solvent is reclaimed, and soybean ...
Embodiment 2
[0032] A preparation method of soybean oil, comprising the steps of:
[0033] Step 1. Soybean pretreatment: the soybeans are subjected to magnetic impurity removal, winnowing and cleaning in sequence to obtain qualified soybeans;
[0034] Step 2. Drying: send qualified soybeans into a microwave oscillator, and dry them at low temperature until the moisture content of soybeans is 14% under the condition of microwave power of 750w;
[0035] Step 3, crushing: sending the dried soybeans into a grinder for crushing to 40 mesh to obtain soybean powder;
[0036] Step 4. Prepare crude soybean oil: mix soybean powder, Polygonum multiflorum, Rosa roxburghii powder and ethanol in a mass ratio of 100:8:3:7, and then send the mixture into an ultrasonic oscillator, under the action of ultrasonic waves with an ultrasonic power of 800w , heating and extracting 4 times, each extraction time is 18min, followed by suction filtration, reclaiming the organic solvent to obtain crude soybean oil; ...
Embodiment 3
[0039] A preparation method of soybean oil, comprising the steps of:
[0040] Step 1. Soybean pretreatment: the soybeans are subjected to magnetic impurity removal, winnowing and cleaning in sequence to obtain qualified soybeans;
[0041] Step 2. Drying: put qualified soybeans into a microwave oscillator, and dry them at low temperature until the moisture content of soybeans is 15% under the condition of microwave power of 800w;
[0042] Step 3, crushing: sending the dried soybeans into a grinder for crushing to 45 mesh to obtain soybean powder;
[0043] Step 4. Preparation of crude soybean oil: Mix soybean powder, Polygonum multiflorum, Rosa roxburghii powder and ethanol at a mass ratio of 100:10:4:8, and then send the mixture into an ultrasonic oscillator, under the action of ultrasonic waves with an ultrasonic power of 850w , heating and extracting 5 times, each extraction time is 20min, followed by suction filtration, reclaiming the organic solvent to obtain crude soybean...
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