响应面法优化白芍提取工艺的研究(4)

http://www.100md.com 2015年4月15日 中国中药杂志2015年第8期

     图6 液料比和乙醇浓度对白芍提取影响的等高线图(A)与响应面图(B)

    Fig.6 The contour plot(A) and response surface plot(B) for extraction effect under liquid-to-solid ratio and ethanol concentration

    图7 乙醇浓度和超声时间对白芍提取影响的等高线图(A)与响应面图(B)

    Fig.7 The contour plot(A) and response surface plot(B) for extraction effect under ethanol concentration and extraction time

    图8 液料比和超声时间对白芍提取影响的等高线图(A)与响应面图(B)

    Fig.8 The contour plot(A) and response surface plot(B) for extraction effect under liquid-to-solid ratio and extraction time

    运用Design-Expert 8.0.6软件优化所得的白芍超声提取最佳工艺为：液料比53.38 mL·g^-1、乙醇浓度72.04%、超声时间20.06 min ......