<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The complex polyphenolic pigments of Turkish tobacco have been pyrolyzed to determine their possible contribution to the formation of aromatic compounds, especially polynuclear aromatic hydrocarbons (PAH), of smoke. The dark brown pigments were initially obtained by a basic aqueous extraction of tobacco. Various hydrolytic procedures showed the presence of rutin, chlorogenic acid, and a series of amino acids; some information on the structure of these pigments is presented. The pyrolysis of the pigments was carried out at 850°C and the products were fractionated to reveal the presence of more than a dozen PAH. Addition of pigments to cigarettes gave an increase in the level of benzo[a]pyrene in the smoke. The possible role of the polyphenolic pigments as a source of PAH in smoke is discussed</p></abstract>

The complex polyphenolic pigments of Turkish tobacco have been pyrolyzed to determine their possible contribution to the formation of aromatic compounds, especially polynuclear aromatic hydrocarbons (PAH), of smoke. The dark brown pigments were initially obtained by a basic aqueous extraction of tobacco. Various hydrolytic procedures showed the presence of rutin, chlorogenic acid, and a series of amino acids; some information on the structure of these pigments is presented. The pyrolysis of the pigments was carried out at 850°C and the products were fractionated to reveal the presence of more than a dozen PAH. Addition of pigments to cigarettes gave an increase in the level of benzo[a]pyrene in the smoke. The possible role of the polyphenolic pigments as a source of PAH in smoke is discussed

Composition Studies on Tobacco. XXlll: Pyrolytic and Structural Investigations on the Polyphenol-amino Acid Pigments of Leaf

Eastern Utilization Research and Development Division Agricultural Research Service United States Department of Agriculture Philadelphia, Pa., USA

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The complex polyphenolic pigments of Turkish tobacco have been pyrolyzed to determine their possible contribution to the formation of aromatic compounds,...

Composition Studies on Tobacco. XXlll: Pyrolytic and Structural Investigations on the Polyphenol-amino Acid Pigments of Leaf

Publié en ligne: 13 juin 2014

Pages: 422 - 429

DOI: https://doi.org/10.2478/cttr-2013-0136

© Beiträge zur Tabakforschung International

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.