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Study on Extracting Taxol from Taxus mairei in Fujian Province

Zheng Deyong (Department of Forest Products Industry,Fujian college of Foresrty,Naping 353001) Yu Fengming (NanFen Duolite chemical Iindustry Ltd,Co,NanFeng of Jiangxi Province 353001) Chen QingsongChen Qingmao (Department of Forest Products  
This paper deals with determination of the content of Taxol in Taxus mairei (Taxus chinensis(Pilg.)Rehcvarmairei Lemee et Levl)in Fujian ProvinceIn this experiment, bark,xylem,branches and leaves of Taxus mairei in Fujian are respectively extracted with alcohol or methyl alcohol under room temperatureFirstly,the extract solution is centrifugated and is evaporated under vacuum;secondly,the extractive is extracted again with dichloride methane,finally the dichloride methane solution is collected and evaporatedThe content of Taxol is determined with HPLCThe mass ratio of Taxol in bark is 3810-4,7610-5in xylem and5210-5in branches and leaves
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