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采用全二维气相色谱-高分辨飞行时间质谱法分析新鲜薄荷挥发成分。

Analysis of fresh Mentha haplocalyx volatile components by comprehensive two-dimensional gas chromatography and high-resolution time-of-flight mass spectrometry.

机构信息

Research Center of TCM Processing Technology, Zhejiang Chinese Medical University, Hangzhou, PR China.

出版信息

Analyst. 2011 Nov 21;136(22):4653-61. doi: 10.1039/c1an15616k. Epub 2011 Sep 14.

DOI:10.1039/c1an15616k
PMID:21915401
Abstract

Fresh Mentha haplocalyx is a well known traditional Chinese medicinal material (CMM) used in both China and America. This paper reports analysis of the volatile components of fresh Mentha haplocalyx by comprehensive two-dimensional gas chromatography (GCxGC) and high-resolution time-of-flight mass spectrometry (HR-TOF-MS), a combination that provides almost complete chemical separation with elemental composition determination of analytes. 163 ketones and terpenes, including menthol and menthone, were tentatively identified, including enantiomers. This study suggests that GCxGCxHR-TOF-MS is suitable for routine identification of target compounds and enantiomers in CMM.

摘要

新鲜薄荷是一种广为人知的中药，在中国和美国都有使用。本文报道了采用全二维气相色谱（GCxGC）和高分辨率飞行时间质谱（HR-TOF-MS）对新鲜薄荷的挥发性成分进行分析，该组合提供了几乎完全的化学分离，并能确定分析物的元素组成。共鉴定出 163 种酮类和萜烯类化合物，包括薄荷醇和薄荷酮，包括对映异构体。本研究表明，GCxGCxHR-TOF-MS 适合于中药中目标化合物和对映异构体的常规鉴定。

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