Method for extracting oligosaccharide from water-chestnut
A technology of oligosaccharides and horseshoes, applied in the fields of oligosaccharides, chemical instruments and methods, sugar derivatives, etc., can solve the problems of oligosaccharides that have not been reported, and achieve the improvement of deep processing capacity of horseshoes, high extraction efficiency, and easy control. Effect
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Embodiment 1
[0020] A method of extracting oligosaccharides from horseshoe of the present invention, comprises the following steps:
[0021] (1) Raw material processing: Wash the fresh water chestnuts, dry the slices at about 55°C, pulverize them in a pulverizer, and filter them through an 80-mesh standard sieve to obtain horseshoe powder.
[0022] (2) ethanol dissolution: the water chestnut powder of step (1) gained is dissolved with ethanol solution, and the mass concentration of ethanol solution is 25%, and solid-liquid ratio (the ratio of horseshoe powder and ethanol solution) is 1g: 35mL, obtains mixed solution.
[0023] (3) Ultrasonic extraction: the mixed solution obtained in step (2) is extracted by ultrasonic, the ultrasonic power is 350W, the extraction time is 24min, centrifuged to obtain the extraction solution.
[0024] (4) Concentration under reduced pressure: Concentrate the extract solution obtained in step (3) under reduced pressure at 50° C. to remove the ethanol solvent ...
Embodiment 2
[0029] A method of extracting oligosaccharides from horseshoe of the present invention, comprises the following steps:
[0030] (1) Raw material processing: Wash the fresh water chestnuts, dry the slices at about 55°C, pulverize them in a pulverizer, and filter them through an 80-mesh standard sieve to obtain horseshoe powder.
[0031] (2) ethanol dissolution: the water chestnut powder of step (1) gained is dissolved with ethanol solution, and the mass concentration of ethanol solution is 30%, and solid-liquid ratio (the ratio of horseshoe powder and ethanol solution) is 1g: 40mL, obtains mixed solution.
[0032] (3) Ultrasonic extraction: the mixed solution obtained in step (2) is extracted by ultrasonic, the ultrasonic power is 400W, the extraction time is 32min, centrifuged to obtain the extraction solution.
[0033] (4) Concentration under reduced pressure: Concentrate the extract solution obtained in step (3) under reduced pressure at 50° C. to remove the ethanol solvent ...
Embodiment 3
[0038] A method of extracting oligosaccharides from horseshoe of the present invention, comprises the following steps:
[0039] (1) Raw material processing: Wash the fresh water chestnuts, dry the slices at about 55°C, pulverize them in a pulverizer, and filter them through an 80-mesh standard sieve to obtain horseshoe powder.
[0040] (2) ethanol dissolution: the horseshoe powder of step (1) gained is dissolved with ethanol solution, and the mass concentration of ethanol solution is 35%, and solid-liquid ratio (the ratio of horseshoe powder and ethanol solution) is 1g: 45mL, obtains mixed solution.
[0041] (3) Ultrasonic extraction: adopt the mixed solution obtained in step (2) of ultrasonic extraction, the ultrasonic extraction power is 450W, the extraction time is 40min, centrifuge to obtain the extraction solution.
[0042] (4) Concentration under reduced pressure: Concentrate the extract solution obtained in step (3) under reduced pressure at 50° C. to remove the ethanol...
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