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Yuan Y.,Harmful Components and Tar Reduction in Cigarette Sichuan Key Laboratory | Yuan Y.,China Tobacco Chuanyu Industrial Co. | Zhou R.,Harmful Components and Tar Reduction in Cigarette Sichuan Key Laboratory | Zhou R.,China Tobacco Chuanyu Industrial Co. | And 3 more authors.
Asian Journal of Chemistry | Year: 2014

The aromatic glycoside, named benzyl-6-O-α-L-arabinopyranosyl(1-6)- β-D-glucopyranoside, was isolated from the leaves of Nicotiana tabacum L. The structure of which was elucidated by analysis of its spectroscopic data. This compound's thermal behavior and pyrolysis products were also investigated by on-line pyrolysis-gas chromatography mass spectroscopy (Py-GC/MS) at 300, 500, 700, 900 °C. The results indicated that, due to the primary decomposition reaction of the O-glycosidic bound's cleavage, the characteristic and main pyrolysis product was the typical aroma constituent benzyl alcohol, suggesting that glycoside would contribute to produce specific aroma for tobacco products on heating as a novel aroma precursor. Source

Deng F.,Harmful Components and Tar Reduction in Cigarette Sichuan Key Laboratory | Deng F.,China Tobacco Chuanyu Industrial Co. | Li D.,Harmful Components and Tar Reduction in Cigarette Sichuan Key Laboratory | Li D.,China Tobacco Chuanyu Industrial Co. | And 7 more authors.
Tobacco Science and Technology | Year: 2014

In order to decrease harmful components in cigarette smoke, a tobacco blend was loosened and conditioned under a range of processing parameters with uniform design. Seven harmful smoke components in mainstream smoke of cigarette samples, including CO, HCN, NH3, NNK, B[a]P, phenol, and crotonaldehyde, were determined. The results were treated with regression analysis and factorial analysis. The results showed that there was a significant linear relationship between the delivery of HCN and the parameters of loosening and conditioning, but not for other harmful components. The delivery of HCN was significantly affected by the combined effects of varying rotational speed of the drying cylinder, steam pressure, and recirculated air temperature. These results demonstrated that the loosening and conditioning parameters could be optimized to achieve lower HCN delivery in cigarette smoke. ©, 2014, Editorial Office of Tobacco Science and Technology. All right reserved. Source

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