为确定苦荞中非结合态多酚的最佳提取工艺条件,以提取率为指标,在单因素的基础上,采用响应面法对主要工艺参数进行优化并得到回归模型。研究结果表明:甲醇对苦荞中非结合态多酚提取的最佳工艺参数为甲醇体积分数为40.84%,温度为49.07℃,料液比为1∶16.54(g/mL),时间为89.11 min。在此条件下,非结合态多酚的提取率达到1.251%。试验证明模型拟合程度良好,误差较小,模型选择合适。 In order to determine the optimal extraction conditions of non-binding polyphenols in tartary buckwheat, taking the extraction rate as an index, the main process parameters were optimized and the regression model was obtained by the response surface method based on the single factor. The results showed that the optimal methanol, methanol, and methanol ratios were 40.84%, 49.07 ℃, 1:16.54 (g / mL) and 89.11 min . Under these conditions, the extraction rate of non-bound polyphenols reached 1.251%. The experiment proves that the model fitting degree is good, the error is small, and the model selection is suitable.