Method for producing extracts of

Boehmeria frutescens Boehmeria nivea A pharmaceutical mixture for the treatment of hepatitis and its preparation method are disclosed. The method includes the following steps: pulverize the plants, macerate and extract the plant with water, concentrate the aqueous extract as the first concentrate; a...

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Main Authors Pan, I-Horng, Hsieh, Yu-Ming, Huang, Zhi-Jie, Chiu, Hsi-Ho, Ju, Chaur-Ting, Lu, Chu-Hsun, Tsai, Pei-Yi, Fan, Wei-Lun, Peng, Wen-Huang, Hsieh, Ming-Tsuen
Format Patent
LanguageEnglish
Published 07.10.2008
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Summary:Boehmeria frutescens Boehmeria nivea A pharmaceutical mixture for the treatment of hepatitis and its preparation method are disclosed. The method includes the following steps: pulverize the plants, macerate and extract the plant with water, concentrate the aqueous extract as the first concentrate; add ethanol to form a precipitate, collect and concentrate the liquid phase to form the second concentrate, and dry it; pass the second concentrate through the resin, elute with water, water-ethanol mixture and ethanol, collect and concentrate the water-ethanol and ethanol elution fraction as the third concentrate, and dry it. The plants in the present invention are Thunberg, or the nettle family.