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Plant extraction technology to extract the rat lee branch hovenia dulcis thunb extract of traditional Chinese medicine

by:Deyuan      2020-08-29
Hovenia dulcis thunb for rat lee branch plants definite hepatoprotective dry, mature seeds. Agriculture in shanxi, guangdong, hubei, zhejiang, jiangsu, anhui, fujian and other places. Rich in natural resources, and wide application.
in hovenia dulcis thunb after crushing, alkalization, extraction, alkali hovenia dulcis thunb mainly dissolved in the water extraction liquid; Hovenia dulcis thunb after adjust pH, alkali free out from the water, then extracted with ethanol, at this time in hovenia dulcis thunb alkali into ethanol, and then continue to complete follow-up purification crystallization operation.
in the process of hovenia dulcis thunb extraction, the traditional mode of operation is tank stirring extraction, artificial to separate two phase after stratification by gravitational force, the intermittent operation is more tedious, a longer production cycle. By using. cwl - M new centrifugal extraction machine can not only overcome the above shortcomings, but also can make the extraction period of continuous production, separating the two more completely, less dosage of ethanol, extraction rate is higher, etc.
days concluded by experiments in the extraction from the extract yield � � 40% ethanol and 60% ethanol extract yield is higher, at the same time of hovenia dulcis thunb extract alkali content with 60% ethanol extract highest, above all is extracted by 60% ethanol as solvent is most appropriate.
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