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http://dx.doi.org/10.5806/AST.2009.22.1.065

The analysis of the urushiol congeners from the extracts of lacquer trees  

Cho, Yumi (Department of Chemistry and Medical Chemistry, Yonsei University)
Jung, Yu-Kyung (Department of Chemistry and Medical Chemistry, Yonsei University)
Kim, Jinsan (Department of Chemistry and Medical Chemistry, Yonsei University)
Lee, Joonbae (Department of Chemistry and Medical Chemistry, Yonsei University)
Paeng, Ki-Jung (Department of Chemistry and Medical Chemistry, Yonsei University)
Publication Information
Analytical Science and Technology / v.22, no.1, 2009 , pp. 65-74 More about this Journal
Abstract
Active components of lacquer tree referred to as urushiol congeners, which are catechol derivatives with various alkyl or alkenyl substituents. The olefin side chains typically have one, two or three double bonds. In this study, the each congener's ratio analysis of extracts from korean lacquer tree are compared to the one from other asian lacquer tree. Extraction was performed using liquid-liquid extraction (LLE) method with soxhlet system from tree's bark and sap. Extracts were analyzed by reverse phase liquid chromatography and on-line electro spray ionization mass spectrometry (LC-MS/MS).
Keywords
lacquer tree; extracts; urushiol congeners; LC-MS/MS; analysis;
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