Method for intensively extracting polysaccharides from rice culture medium for cordyceps militaris
2014
The invention discloses a method for intensively extracting polysaccharides from a rice culture medium for cordyceps militaris. The method comprises the following steps: carrying out superfine crushing, ultrahigh pressure treatment and ultrasonic intensified flash extraction on the cordyceps militaris culture medium, adding amylase to an extract solution to realize enzymosis, concentrating enzymatic hydrolysate, adding polyethylene glycol, sufficiently stirring and dissolving, standing over night, centrifuging, washing precipitate with edible alcohol, adding hot water to dissolve, removing insoluble substances, and drying to obtain the polysaccharides. According to the method disclosed by the invention, configuration guiding of a process for promoting effective dissolution of polysaccharides is highlighted according to the resource advantage of the rice culture medium for cordyceps militaris, the clean production ideal is embodied by technical model selection, by adopting novel physical and biological integrated means, polysaccharide recovery technical output characterized by high speed, high efficiency, time saving, low consumption and environmental friendliness is realized, and the edible safety of the extracted polysaccharides is ensured from the production link.
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