【摘要】 通过回馏法和超声波提取法的提取燕麦中总黄酮,确定各种方法的最佳条件。结果表明:回馏提取法以45%乙醇,1:3料液比在70℃回流3h为最佳条件;超声波提取法以60%乙醇,1:3料液比在55℃提取30min为最佳提取条件。并在上述条件下做加标回收率测定后,对燕麦面粉、燕麦片和燕麦不同品种原粮中的总黄酮含量进行了测定。更多还原

【Abstract】 Through the reflux extraction method and ultrasonic method extract flavones from oats,then decide the best conditions of all the methods.It turned out that: reflux extraction method(45% alcohol,1:3 for the ratio of solid to liquid,70 ℃ extraction temperature,3 hours of extraction time is the best);ultrasonic method(60% alcohol,1:3 for the ratio of solid to liquid,55℃ extraction temperature,30 min of extraction time is the best);Under the optimum conditions of reflux extraction method,determine the quality of flavones in hulless oat,oatmeal and different kinds of hulless grain.更多还原