The fingerprint of betaine and carotenoids extract of Fructus Lycii was studied using high performance liquid chromatography-diode array detector(HPLC-DAD).

采用高效液相色谱二极管阵列检测器联用仪（HPLC DAD）对中药枸杞的甜菜碱、类胡萝卜素提取液进行了指纹图谱研究。

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Then the pretreated samples were extracted with acetonitrile, further cleaned up by reverse solid phase dispersion, and analyzed by reversed phase HPLC with diode array detector (DAD).

韭菜样本用微波炉加热处理，使酶钝化消除含硫基质干扰，然后用乙腈提取、逆固相分散净化，用反相高效液相色谱-二极管阵列检测器检测。

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Objective: To establish the method of specific chromatogram analysis of chemical constituents by RP-HPLC with diode array detector(DAD) for the quality control of Wuling capsules.

目的： 建立乌灵胶囊高效液相色谱化学成分特征图谱，为科学评价其质量提供可靠方法。

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