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Position: Home > Articles > Optimization of Extraction of Total Saponins from Dioscorea alata Lirm. sp by Response Surface Analysis Journal of Anhui Agricultural Sciences 2014,42 (36) 12885-12887

响应面法优化脚板薯皂苷提取工艺

作  者:
刘媛洁;张良;刘芳兰;肖文烨
单  位:
江西省食品发酵研究所;江西医学高等专科学校
关键词:
脚板薯;响应面分析;皂苷;提取
摘  要:
[目的]优化脚板薯皂苷的最佳提取工艺。[方法]探讨提取温度、提取时间、料液比和乙醇浓度对脚板薯皂苷提取率的单因素影响。在此基础上,采用响应面分析方法,进一步研究各自变量及其交互作用对脚板薯皂苷提取率的影响,并对其工艺参数进行优化。[结果]脚板薯皂苷提取的最佳工艺条件为提取温度76℃、提取时间1.5 h、乙醇浓度90%、料液比1∶30(m/v),在此最优工艺条件下,脚板薯皂苷提取率达0.291%。[结论]该研究可为脚板薯皂苷的工业化生产提供理论指导。
译  名:
Optimization of Extraction of Total Saponins from Dioscorea alata Lirm. sp by Response Surface Analysis
作  者:
LIU Yuan-jie;ZHANG Liang;LIU Fang-lan;Jiangxi Medical College;Jiangxi Food Fermentation Institute;
关键词:
Dioscorea alata Lirm.sp;;Response Surface Analysis;;Saponins;;Extraction
摘  要:
[Objective] The Response Surface Methodology( RSM) was used to optimize the extraction process of total saponins from Dioscorea alata Lirm. sp. [Method] The impact of extraction temperature,extraction time,ethanol concentration and solid-liquid ratio on the yield of diosgenin are investigated,based on which the response surface analysis is adopted to study the impact of each variable and their interaction on yield of diosgenin and optimize the extraction parameter. [Result] It is found that optimal parameters for diosgenin extraction form Dioscorea alata Lirm. sp were as follows: extraction temperature 76 ℃,extraction time 1. 5 h,ethanol concentration 90%,solid-liquid ratio1∶30( m / v). [Conclusion] The research provides the theoretical guidance for the industrial production of diosgenin in Dioscorea alata Lirm.sp.

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