Determination of Four Chemical Components in Qishen Yiqi Dripping Pills by UPLC-MS/MS Method
Qin Lili,
Zhang Honglian,
Wang Yanxia
et al.
Abstract:Background In this study, the ultrahigh performance liquid chromatography mass spectrometry/mass spectrometry (UPLC-MS/MS) method was established to test the contents of protocatechuic acid (C7H6O4), salvianolic acid B (C36H30O16), rosmarinic acid (C19H14O3), and cryptotanshinone (C19H20O3) in Qishen Yiqi dripping pills. Materials and Methods Methanol was chosen as the solvent according to a certain material–liquid ratio as a solution, and the ultrasonic extraction method was used to prepare the sample solutio… Show more
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