Abstract
Department of Pterocarya stenoptera dicotyledonous juglandales juglandaceae Pterocarya plants, the whole body can be used as a medicine. This article use the continuous reflux method to studying the extraction process of Pterocarya stenoptera leaves of tannins in the area of Jiangsu Rugao. Through single factor experiment and orthogonal experiment to obtain continuous reflux method was used to extract Pterocarya stenoptera leaves of tannins the optimum technological conditions. Through to the extract of ultraviolet and GC-MS analysis results show that, different extraction agents, tannin content of the extractive and chemical composition are different. Deionized water and ethanol aqueous extract of difference for Pterocarya stenoptera leaves decoction and alcohol mechanism of two kinds of different uses for the treatment of disease research to provide the reference.
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