Method for preparing feed-grade fructo-oligosaccharide by taking molasses as raw material
A technology of fructooligosaccharides and feed grade, which is applied in the field of preparing feed grade fructooligosaccharides, can solve the problems of application limitation of fructooligosaccharides, restricting industrial development, long reaction time, etc., and achieves good appearance, improved utilization rate, and reaction time. short effect
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[0034] Example 1:
[0035] The present embodiment provides a method for preparing feed-grade fructooligosaccharides using molasses as a raw material, the method comprising the following steps:
[0036] (1) prepare molasses aqueous solution: take a certain amount of molasses to prepare aqueous solution, wherein, the mass ratio of molasses and water is 2:1, after molasses is mixed with water, stir until molasses is completely dissolved in water, obtain molasses aqueous solution, for subsequent use;
[0037] (2) molasses aqueous solution pretreatment: adjust the temperature of molasses aqueous solution to 40°C and pH to 5.0;
[0038] (3) Enzymatic hydrolysis: adding enzymatic hydrolysis solution to the pretreated molasses aqueous solution in step (2), stirring evenly, and reacting under the assistance of microwaves for 9 hours, the microwave power is 950W, and the frequency is 700MHz. The enzymatic hydrolysis solution is for standby use; the enzymatic hydrolysis solution include...
Example Embodiment
[0043] Example 2:
[0044] The present embodiment provides a method for preparing feed-grade fructooligosaccharides using molasses as a raw material, the method comprising the following steps:
[0045] (1) prepare molasses aqueous solution: take a certain amount of molasses to prepare aqueous solution, wherein, the mass ratio of molasses and water is 3:1, after molasses is mixed with water, stir until molasses is completely dissolved in water, obtain molasses aqueous solution, for subsequent use;
[0046] (2) molasses aqueous solution pretreatment: adjust the temperature of molasses aqueous solution to 50°C and pH to 5.5;
[0047] (3) Enzymatic hydrolysis: add the enzymatic hydrolysis solution to the molasses aqueous solution pretreated in step (2), stir evenly, and react under the assistance of microwaves for 10 hours. The microwave power is 850W and the frequency is 750MHz. After the above treatment, the obtained The enzymatic hydrolysis solution is for standby use; the enz...
Example Embodiment
[0052] Example 3:
[0053] The present embodiment provides a method for preparing feed-grade fructooligosaccharides using molasses as a raw material, the method comprising the following steps:
[0054] (1) prepare molasses aqueous solution: take a certain amount of molasses to prepare aqueous solution, wherein, the mass ratio of molasses and water is 4:1, after molasses is mixed with water, stir until molasses is completely dissolved in water, obtain molasses aqueous solution, for subsequent use;
[0055] (2) Pretreatment of the molasses aqueous solution: the temperature of the molasses aqueous solution was adjusted to be 60°C, and the pH was 5.5;
[0056] (3) Enzymatic hydrolysis: adding enzymatic hydrolysis solution to the molasses aqueous solution pretreated in step (2), stirring evenly, and reacting under the assistance of microwaves for 11 hours, the microwave power is 1000W, and the frequency is 800MHz. The enzymatic hydrolysis solution is for standby use; the enzymatic...
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