<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Triacylglycerols in tobacco leaves were investigated to further understand their compositional and metabolic differences among various tobacco leaves and their changes during the curing processes. Non-aqueous reverse-phase chromatography for efficient separation of triacylglycerols and atmospheric-pressure chemical-ionization mass spectrometry for their detection were selected for quantitative analysis. For measuring their absolute amounts, authentic triacylglycerols comprised of the same fatty acids were introduced to generate calibration curves and to quantify the analytes. A validation study using the combination of appropriate separation and authentic triacylglycerols produced very good results in terms of linearity (> 0.999), limit of detection (3-4 ng), limit of quantification (10-15 ng) and recovery ratio (80-120%). The quantification of triacylglycerols in tobacco leaves and a subsequent principal component analysis clarified for the first time their compositional and metabolic differences among various tobacco leaves.</p></abstract>

Triacylglycerols in tobacco leaves were investigated to further understand their compositional and metabolic differences among various tobacco leaves and their changes during the curing processes. Non-aqueous reverse-phase chromatography for efficient separation of triacylglycerols and atmospheric-pressure chemical-ionization mass spectrometry for their detection were selected for quantitative analysis. For measuring their absolute amounts, authentic triacylglycerols comprised of the same fatty acids were introduced to generate calibration curves and to quantify the analytes. A validation study using the combination of appropriate separation and authentic triacylglycerols produced very good results in terms of linearity (> 0.999), limit of detection (3-4 ng), limit of quantification (10-15 ng) and recovery ratio (80-120%). The quantification of triacylglycerols in tobacco leaves and a subsequent principal component analysis clarified for the first time their compositional and metabolic differences among various tobacco leaves.

A Comprehensive Study on Triacylglycerols in Tobacco Leaves Using Liquid Chromatography and Atmospheric- Pressure Chemical-Ionization Mass Spectrometry

Tobacco Science Research Center, Japan Tobacco, Inc. 6-2, Umegaoka, Aoba-ku, Yokohama, Kanagawa 227-8512, Japan

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Triacylglycerols in tobacco leaves were investigated to further understand their compositional and metabolic differences among various tobacco leaves and their...

A Comprehensive Study on Triacylglycerols in Tobacco Leaves Using Liquid Chromatography and Atmospheric- Pressure Chemical-Ionization Mass Spectrometry

Publié en ligne: 30 déc. 2014

Pages: 627 - 637

Reçu: 15 mars 2013

Accepté: 19 juil. 2013

DOI: https://doi.org/10.2478/cttr-2013-0939

© 2013 Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.