Identification of the chemical compositionsof Verbena officinalis L. extract by high performance liquid chromatography-photodiode array-high resolution mass spectrometry

doi:10.3724/SP.J.1123.2017.05010

Abstract

Abstract:

To investigate the main chemical compositions of Verbena officinals L. extract, a qualitative high performance liquid chromatography-photodiode array-high resolution mass spectrometry (HPLC-PDA-HRMS) method was established. The structures of the compounds detected were identified by analyzing the chromatographic profiles and the corresponding mass spectra obtained by full scan and MSⁿ full scan. Twenty one compounds including iridoid glycosides, flavonoids, triterpenoids, phenylpropanoids and phenolic diterpenoids were identified, and six of them were not reported in other literatures about Verbena officinalis L. extract, such as carnosic acid, carnosol, rosmanol, isorosmanol, rosmarinic acid and acacetin-7-O-rutinoside. This method is simple, rapid, accurate and sensitive. It provides a reliable scientific basis for the identification of the authenticity and quality control of Chinese medicinal materials.

Key words: Verbena officinalis L., extract, high performance liquid chromatography (HPLC), high resolution mass spectrometry (HRMS), mass fragmentation, photodiode array detection, structure identification

CLC Number:

O658

SUN Yuming, WANG Yueyue, CAI Rui, ZHANG Hua, WANG Yulin. Identification of the chemical compositionsof Verbena officinalis L. extract by high performance liquid chromatography-photodiode array-high resolution mass spectrometry[J]. Chinese Journal of Chromatography, 2017, 35(9): 987-994.

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