Method for simultaneously extracting soybean oil and soybean milk powder by aqueous enzymatic method
A simultaneous extraction and soybean oil technology, which is applied in milk substitutes, dairy products, fat oil/fat production, etc., can solve the problems of high cost of enzyme preparations, little research on soybean oil and soybean milk powder, and long reaction time
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Embodiment 1
[0017] After peeling the soybeans, use a QM ball mill to perform ultrafine grinding for 20-40 minutes under the condition of the grinding speed of 80-100r / min. min and die hole diameter of 18 mm to obtain the puffed product; add water to the enzymolysis reaction kettle, pass in steam at 55°C for heating, add the puffed product to the heated water and mix to obtain a mixed solution, Use 2mol / L NaOH solution to adjust the initial pH of the mixture to 8.5, add 3.5‰ Alcalase alkaline protease to the mixture under the condition of a material-to-liquid ratio of 1:7 for enzymolysis for 50 minutes, and use a three-phase horizontal method after enzymolysis Centrifuge to separate the emulsified oil, hydrolyzate and residue; use a disc centrifuge to centrifuge the emulsified oil to obtain soybean oil and water phase, add the water phase to the hydrolyzate and mix well, and then carry out vacuum in the concentration tower concentrated, spray-dried after concentration to obtain soybean mil...
Embodiment 2
[0019] After peeling the soybeans, use a QM ball mill to perform ultrafine grinding for 20-40 minutes under the condition of the grinding speed of 80-100r / min. min and die hole diameter of 18mm to obtain the puffed product; add water to the enzymolysis reaction kettle, pass in steam at 50°C for heating, add the puffed product to the heated water and mix to obtain a mixed solution, Use 2mol / L NaOH solution to adjust the initial pH of the mixture to 8.5, add 4‰ Alcalase alkaline protease to the mixture under the condition of a material-to-liquid ratio of 1:8 for enzymolysis for 40min, and use a three-phase horizontal method after enzymolysis Centrifuge to separate the emulsified oil, hydrolyzate and residue; use a disc centrifuge to centrifuge the emulsified oil to obtain soybean oil and water phase, add the water phase to the hydrolyzate and mix well, and then carry out vacuum in the concentration tower concentrated, spray-dried after concentration to obtain soybean milk powder...
Embodiment 3
[0021] After peeling the soybeans, use a QM ball mill to perform ultrafine grinding for 20-40 minutes under the condition of the grinding speed of 80-100r / min. min and the die hole diameter is 18mm to obtain the puffed product; add water to the enzymolysis reaction kettle, pass in steam at 60°C for heating, add the puffed product to the heated water and mix to obtain a mixed solution, Use 2mol / L NaOH solution to adjust the initial pH of the mixed solution to 8.5, add 3‰ Alcalase alkaline protease to the mixed solution under the condition of a material-to-liquid ratio of 1:6 for enzymatic hydrolysis for 60 minutes, and use a three-phase horizontal method after enzymatic hydrolysis Centrifuge to separate the emulsified oil, hydrolyzate and residue; use a disc centrifuge to centrifuge the emulsified oil to obtain soybean oil and water phase, add the water phase to the hydrolyzate and mix well, and then carry out vacuum in the concentration tower concentrated, spray-dried after co...
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