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应用一阶导数光谱法测定何首乌中总二苯乙烯甙的含量(以白藜芦醇甙计),可不经分离排除蒽醌等成分的干扰,测定结果与紫外分光光度法基本一致。且方法简便,测定结果稳定。
The content of total stilbene oxime in Radix Polygoni multiflori was determined by first-order derivative spectrometry (in terms of resveratrol enthalpy), and the interference of components such as hydrazine could be eliminated without separation. The results were basically consistent with those of ultraviolet spectrophotometry. The method is simple and the measurement result is stable.