Method for extracting soybean blend oil and compound protein by using aqueous enzymatic method
A technology for compound protein and blended oil, which is applied in the production of fat/fat, refining of fat/fat, and fat production, etc. It can solve the problems of little industrial application research of aqueous enzymatic method, difficulty in demulsification, high cost of enzyme preparation, etc.
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[0021] Example 1:
[0022] Soybeans and peanuts are mixed at a ratio of 2:1, then peeled and crushed, and then adjust the water content. The moisture content of the material is 18%, the sleeve temperature is 95℃, the screw speed is 110r / min, and the die hole diameter is 20mm. Extrusion and puffing process under the conditions to obtain the puffed product; add water to the enzymatic hydrolysis reaction kettle, pass 55 ℃ steam for heating, add the puffed product to the heated water and mix to obtain a mixed solution, using 2mol / L NaOH solution Adjust the initial pH of the mixed solution to 8.5, add 3.5‰ of Alcalase alkaline protease to the mixed solution under the condition of 1:7 for enzymatic hydrolysis for 50 minutes. After enzymatic hydrolysis, use a three-phase horizontal centrifuge for centrifugal separation to obtain emulsification Oil, hydrolysate and residues; under the condition that the volume ratio of ethanol to emulsified oil is 3:1, add ethanol to the emulsified oil t...
Example Embodiment
[0023] Example 2:
[0024] Soybeans and peanuts are mixed in a ratio of 1:1, then peeled and crushed, and then adjust the water content. The moisture content of the material is 18%, the sleeve temperature is 95℃, the screw speed is 110r / min, and the die hole diameter is 20mm. Extrusion and puffing process under the conditions to obtain the puffed product; add water to the enzymatic hydrolysis reaction kettle, pass in 50 ℃ steam for heating, add the puffed product to the heated water and mix to obtain a mixed solution, using 2mol / L NaOH solution Adjust the initial pH of the mixture to 8.5, add 4‰ of Alcalase alkaline protease to the mixture under the condition of 1:8 for enzymatic hydrolysis. After enzymatic hydrolysis, use a three-phase horizontal centrifuge for centrifugal separation to obtain emulsification. Oil, hydrolyzate and residues; under the condition that the volume ratio of ethanol to emulsified oil is 2:1, ethanol is added to the emulsified oil for demulsification for...
Example Embodiment
[0025] Example 3:
[0026] Soybeans and peanuts are mixed at a ratio of 3:1 and then peeled and crushed. Then adjust the water content. The moisture content of the material is 18%, the sleeve temperature is 95℃, the screw speed is 110r / min, and the die hole diameter is 20mm. Extrusion and puffing process under the conditions to obtain the puffed product; add water to the enzymatic hydrolysis reaction kettle, pass in 60℃ steam for heating, add the puffed product to the heated water and mix to obtain a mixed solution, using 2mol / L NaOH solution Adjust the initial pH of the mixture to 8.5, add 3‰ of Alcalase alkaline protease to the mixture under the condition of 1:6 for enzymatic hydrolysis for 60 minutes. After enzymatic hydrolysis, use a three-phase horizontal centrifuge for centrifugal separation to obtain emulsification Oil, hydrolyzate and residue; under the condition that the volume ratio of ethanol to emulsified oil is 4:1, ethanol is added to the emulsified oil for demulsif...
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