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首页> 外文期刊>Biochemical Engineering Journal >Development of multi-stage counter-current extraction technology for the extraction of glycyrrhizic acid(GA)from licorice(Glycyrrhiza uralensis Fisch)
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Development of multi-stage counter-current extraction technology for the extraction of glycyrrhizic acid(GA)from licorice(Glycyrrhiza uralensis Fisch)

机译：多级逆流萃取技术从甘草中提取甘草酸的研究进展

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摘要

Multi-stage countercurrent extraction(MCE)technique has been developed for the extraction of glycyrrhizic acid(GA)from Glycyrrhiza uralensis Fisch,a particular plant species of licorice.The effects of extraction stage numbers,temperature,extraction time and solvent to licorice ratio on the extraction yield of GA were investigated in detail.The process conditions of MCE were optimized using orthogonal array experimental design(OAD)technique.Under optimum process conditions(five stages,60min extracting time for every stage,60 °C temperature and 6 ml/g solvent to licorice ratio),the extraction efficiency of MCE has been compared with those of conventional techniques including batch single pot extraction(SPE),microwave-assisted extraction(MAE),ultrasonic extraction(USE),Soxhlet extraction(SHE)and room temperature extraction(RTE).Results show that the MCE process offers the highest GA extraction yield and considerable savings in time,energy and solvent consumption.
机译：为了从甘草的一种特殊植物甘草中提取甘草酸（GA），开发了多级逆流萃取（MCE）技术。萃取级数，温度，萃取时间和溶剂对甘草比的影响采用正交实验设计技术优化了MCE的工艺条件。在最佳工艺条件下（五个阶段，每个阶段60min的提取时间，60°C温度和6 ml / g溶剂与甘草的比例），将MCE的萃取效率与传统技术进行了比较，包括分批单锅萃取（SPE），微波辅助萃取（MAE），超声萃取（USE），索氏萃取（SHE）和房间结果表明，MCE工艺可提供最高的GA提取产率，并节省大量时间，能源和溶剂消耗。

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