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- Title
Comprehensive 2D gas chromatography-time-of-flight mass spectrometry with 2D retention indices for analysis of volatile compounds in frankincense (<italic>Boswellia papyrifera</italic>).
- Authors
Jiang, Ming; Kulsing, Chadin; Marriott, Philip J.
- Abstract
Frankincense gum resin secreted from <italic>Boswellia papyrifera</italic> was analysed by comprehensive 2D gas chromatography hyphenated with accurate mass time-of-flight mass spectrometry (GC×GC−accTOFMS). Direct multiple injection experiments with stepwise isothermal temperature programming were then performed to construct isovolatility curves for reference alkane series in GC×GC. This provides access to calculation of second dimensional retention indices (2<italic>I</italic>). More than 500 peaks were detected and 220 compounds mainly comprising monoterpenes, sesquiterpenes, diterpenes and oxygenated forms of these compounds were identified according to their 1<italic>I</italic>, 2<italic>I</italic> and accurate mass data. The study demonstrates the capability of GC×GC−accTOFMS with retention data on two separate column phases, as an approach for improved component identification. A greater number of identified and/or tentatively identified terpenoids in this traditional Chinese medicine allow for a more comprehensive coverage of the volatile composition of frankincense.
- Subjects
GAS chromatography; MASS spectrometry; FRANKINCENSE; ALKANES; MONOTERPENES; SESQUITERPENES
- Publication
Analytical & Bioanalytical Chemistry, 2018, Vol 410, Issue 13, p3185
- ISSN
1618-2642
- Publication type
Article
- DOI
10.1007/s00216-018-1012-z