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Cordyceps extract and preparation method thereof?
Sep 10, 2019

The technical problem to be solved by the present invention is to provide an extract of Cordyceps militaris and a preparation method and application thereof, and a pure naturalCordyceps extract can be prepared, which can be used for treating tumors.

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In order to solve the above technical problems, the present invention provides a method for preparing an extract of Cordyceps militaris, comprising the steps of: taking a dry powder of Cordyceps militaris, adding a 50-70% ethanol solution, the ratio of material to liquid is 1g: 20-30ml, and then at 20 The mixture was shaken and extracted in a water bath at -30 ° C for 2-3 h. After the extraction was completed, filtration was carried out to obtain a filtrate; the filtrate was subjected to alcohol removal and centrifuged to obtain a supernatant; the supernatant was flowed at a flow rate of 1.5-2.5 BV/h. The macroporous adsorption resin column was desorbed with 25-35% ethanol at a flow rate of 0.5-1.5 BV/h, the desorbed liquid was collected, and the desorbed liquid was dried to obtain an extract of Cordyceps militaris.


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