Abstract
A standard fingerprint containing twelve common peaks was constructed from ten batches of Yifei Tongluo granules to evaluate batch-to-batch consistency by using HPLC-DAD. Additionally, the corresponding medicinal material attributes of these chemical constituents were analyzed according to the data acquired from the HPLC method and the identification was further carried out using the LC–MS/MS method. Comparing the retention time or accurate mass with previous studies or standards, the common components were tentatively identified in 50 min for ten batches of samples. At the same time, a reliable LC–MS/MS method was established to quantify marker substances simultaneously in 25 min, and the linear relationship of the standard curves was good in the experimental range. The validations of the method were successfully applied to the quality control and pharmacokinetic study. The results obtained from this study suggest that militarine was most abundant and the components in the granules caused pharmacokinetic herb-drug interactions in rats. This study provides a meaningful basis for evaluating the viability of Yifei Tongluo granules for clinical applications.
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