Ethanol extract ethyl acetate extractive fraction of Tetrastigma hemsleyanum leaf and preparing method and application thereof

Ethanol extract ethyl acetate extractive fraction of Tetrastigma hemsleyanum leaf and preparing method and application thereof

  • CN 105,055,682 A
  • Filed: 07/30/2015
  • Published: 11/18/2015
  • Est. Priority Date: 07/30/2015
  • Status: Active Application
First Claim
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1. a preparation method for the ethanol extraction Ethyl acetate fraction of SANYE Folium Isatidis, is characterized in that, comprise the following steps:

  • 1) the leaf pulverizing of getting dry Radix Apioris Fortunei (Radix Lespedezae Buergeri) obtains dry powder, and extract with ethanol water, filter, filtrate obtains the total extract of SANYE Folium Isatidis after drying;

    2) by the total extract of SANYE Folium Isatidis and water suspendible, be extracted with ethyl acetate, obtain acetic acid ethyl ester extract, after acetic acid ethyl ester extract evaporate to dryness, obtain the ethanol extraction Ethyl acetate fraction of Radix Apioris Fortunei (Radix Lespedezae Buergeri).

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