| 姜酚超临界流体萃取-精馏技术 |
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| 引用本文： | 魏福祥,韩菊,王巧玲,王金梅,程彦海,史英辉.姜酚超临界流体萃取-精馏技术[J].精细化工,2004,21(4):269-272. |
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| 作者姓名： | 魏福祥 韩菊 王巧玲 王金梅 程彦海 史英辉 |
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| 作者单位： | 河北科技大学,环境科学与工程学院,河北,石家庄,050018 |
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| 基金项目： | 河北省科技攻关项目(No.01230304) |
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| 摘 要： | 采用超临界流体萃取-精馏技术从生姜中提取姜酚。考察了萃取压力、萃取温度、萃取时间、CO2流速、原料粒度等因素对姜酚纯度和萃取率的影响。确定的最佳条件为萃取压力25MPa,萃取温度50℃,CO2流量20L/h,萃取时间2 5h,原料粒度40～60目。获得的提取物中姜酚的质量分数≥96 2%,萃取率≥1 38%。
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| 关 键 词： | 超临界流体萃取-精馏 姜酚 姜 |
| 文章编号： | 1003-5214(2004)04-0269-04 |
Technique of Supercritical Fluid Extraction-Fractionation for Gingerol |
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| WEI Fu-xiang,HAN Ju,WANG Qiao-ling,WANG Jin-mei,CHENG Yan-hai,SHI Ying-hui.Technique of Supercritical Fluid Extraction-Fractionation for Gingerol[J].Fine Chemicals,2004,21(4):269-272. |
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| Authors: | WEI Fu-xiang HAN Ju WANG Qiao-ling WANG Jin-mei CHENG Yan-hai SHI Ying-hui |
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| Abstract: | A technique for extracting gingerol from ginger with supercritical fluid extraction-fractionation is described.The optimum extraction conditions were extraction pressure 25 MPa,extraction temperature 50 ℃,extraction time 2.5 h,flow rate of CO_2 20 L/h and grain size of raw material 40～60 mesh.Content of gingerol in the extract is as high as 96.2% and the yield is 1.38%. |
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| Keywords: | supercritical fluid extraction-fractionation gingerol ginger |
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