Citation:
ZHANG Zhao-Hui, CHEN Ying-Zhuang, CHEN Bo, MA Ming. Rapid Differentiation of Stephania tetrandra and Aristolochia fangchi by Direct Spray Mass Spectrometry[J]. Chinese Journal of Analytical Chemistry,
;2020, 48(9): 1236-1243.
doi:
10.19756/j.issn.0253-3820.191725
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The ambient mass spectrometry (MS) profiles of Stephania tetrandra and its toxic adulteration, Aristolochia fangchi, were obtained by using direct spray mass spectrometry. The MS behaviors of tetrandrine and fangchinoline in Stephania tetrandra, aristolochic acid A and magnoflorine in Aristolochia fangchi were studied. A simple and rapid method for distinguishing Stephania tetrandra from Aristolochia fangchi was established by analyzing their ambient MS profiles. The results showed that under the positive ion mode, Stephania tetrandra and Aristolochia fangchi could be identified easily and effectively according to their symbolic components, fangchinoline and tetrandrine in Stephania tetrandra. The method was simple, fast, effective, with no need of sample pretreatment, which was helpful for the quality control of fangchi herbal medicine. At the same time, the study on the electrospray behavior of aristolochic acid A has certain reference significance for the ambient MS analysis of aristolochic acid A.
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