A rapid method for chemical fingerprint analysis of Pan Panax notoginseng powders by ultra performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry / 中国天然药物
Chinese Journal of Natural Medicines (English Ed.)
; (6): 471-480, 2015.
Article
em En
| WPRIM
| ID: wpr-812519
Biblioteca responsável:
WPRO
ABSTRACT
A method coupling ultra-performance liquid chromatography (UPLC) with quadrupole time-of-flight mass spectrometer (Qtof MS) using the electrospray ionization (ESI) source was developed for the identification of the major saponins from Panax notoginseng powder (PNP). Ten different PNP samples were analyzed and evaluated for their quality by similarity evaluation and principle component analysis (PCA). Based on the accurate mass, summarized characteristic fragmentation behaviors, retention times of different types of saponins, related botanical biogenesis, and reported chromatographic behavior of saponins, fifty-one common peaks were effectively separated and identified, including 28 protopanaxadiol saponins and 18 protopanaxatriol saponins. Simultaneously, 15 significant discrepancy compounds were identified from the disqualified PNP samples. The established UPLC/Qtof MS fingerprint method was successfully applied for profiling and identifying the major saponins of PNP, providing a fast quality evaluation tool for distinguishing the authentic PNP and the adulterated products.
Palavras-chave
Texto completo:
1
Índice:
WPRIM
Assunto principal:
Pós
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Medicamentos de Ervas Chinesas
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Química
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Cromatografia Líquida de Alta Pressão
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Espectrometria de Massas por Ionização por Electrospray
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Panax notoginseng
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Métodos
Tipo de estudo:
Prognostic_studies
Idioma:
En
Revista:
Chinese Journal of Natural Medicines (English Ed.)
Ano de publicação:
2015
Tipo de documento:
Article