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Naphthalene and alkylnaphthalene were detected qualitatively and quantitatively for the first time in Latakia tobacco. 62 different alkylnaphthalenes were determined by means of GC-MS analysis, 22 of which were exactly allocated structurally by comparing the Kovats retention indices. Besides naphthalene, the following substances were also identified: 1-methylnaphthalene, 2-methylnaphthalene, 1-ethylnaphthalene, 2-ethylnaphthalene, 1-propylnaphthalene, 2-propylnaphthalene, all ten theoretically possible isomers of dimethylnaphthalene, four trimethylnaphthalenes, isobutylnaphthalene and five ethylmethylnaphthalenes. The concentration of the naphthalenes detected in Latakia tobacco is in the region of 1 ppm to 10 ppm, with the focus on 1 ppm to 3 ppm. Alkylnaphthalenes make an important contribution to the aroma of the Latakia tobacco. They clearly modify the burnt aroma of the Latakia phenols to mild, dusty, with earthy undertone.

beiträge zur tabakforschung international

Detection and Quantitative Determination of Alkylnaphthalenes in Latakia Tobacco/ Nachweis und quantitative Bestimmung von Alkylnaphthalinen in Latakia-Tabak