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《Journal of Anhui Agricultural Sciences》 2011-02
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Study on the Technology of Extraction in "Qinghai 444" Oat Saponin

TU Lan-ying et al (School of Chemical Engineering Qinghai Universty,Xining,Qinghai 810016)  
[Objective] The technology condition of extracting saponin from oat by the method of soxhlet extraction was studied.[Method] The saponin were extracted by ethanol-butanol as the solvent from oat and the content was determined by spectrophotometry.Orthogonal experiment was used to study the extraction technology of saponin in oat.Effects of solid-liquid ratio,ethanol concentration,extraction temperature on extraction rate of saponin were studied.[Result] The optimal extracting conditions of oat saponin were established as follows: solid-liquid ratio 1∶7,ethanol concentration 70%,extraction temperature 60 ℃;under these conditions,the extraction ratio was 2.504%;the influence order of extraction rate was ethanol concentrationsolid-liquid ratioextraction temperature.[Conclusion] The method had many advantages listed below: convenient in operation,easy access,and possessed of popularization and application value.
【Fund】: 青海省科技厅重点科技攻关项目(2008-G-174);; 农业部“948项目”(2006-G10)
【CateGory Index】: S512.6
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