Download The Chemistry of Tobacco and Tobacco Smoke: Proceedings of by Helmut Wakeham (auth.), Irwin Schmeltz (eds.) PDF

By Helmut Wakeham (auth.), Irwin Schmeltz (eds.)

The current quantity contains a compilation of papers pre­ sented as a Symposium at the Chemical Composition of Tobacco and Tobacco Smoke in the course of a gathering of the yank Chemical Society in Washington, D. C., September 12-17, 1971. The Symposium used to be prepared for you to conceal, within the time dispensed, these facets of tobacco learn which are either in line with­ tinent and appropriate to the main not easy challenge dealing with learn­ ers within the box today--that is the advance of a much less danger­ ous cigarette. the trail to such an aim, besides the fact that, continues to be really lengthy and never simply traversed. for instance, in opting for the chance linked to smok­ ing, one needs to first recognize whatever of the chemical composition of tobacco smoke, and furthermore, how the smoke parts come up from many of the leaf elements. moreover, bioassays of smoke fractions and elements therein are essential to determine noxlous ingredients, and to correlate organic task with chemical composition. eventually, to accomplish the acknowledged target, tools must be constructed for elimination the pointed out risks from the smoke--whether they be by means of in particular cultivating tobacco vegetation, or by means of editing tobacco smoke by utilizing filters, ingredients or comparable devices.

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Among the more interesting ones are positive correlation between 3S-hydroxysterols and TPM, smoke nicotine, tar, and leaf wax; between total polyphenols and TPM, petroleum ether extracts, and 3S-hydroxysterol; between wax and TPM, smoke nicotine, and tar; between leaf alkaloid level and wax, and petroleum ether extracts. Significant negative simple correlations were found between acetaldehyde or acrolein and 3Shydroxysterols, wax, and total alkaloids. Positive correlation between smoke TPM and wax, petroleum ether extracts and total alkaloids are also very significant.

8. M. Samfield and M. G. , 38 (1960). 34 9. 10. 11. 12. O. T. CHORTYK H. Jacin and R. J. Moshy, J. Agr. , 16,669 (1968). T. P. M. Phillips, F. B. Wilkinson andA. M. Bacot, JAOAC, 36, 1157 (1953). E. J. Bourne, J. B. Pridham and H. G. J. , 6, 423 (1967). 13. H. Jacin, R. J. Moshy and J. V. Fiore, J. Agr. , 14. ~ 15 (6), 1057 (1967). de la Burde and S. F. Norman, Tobacco Science, 12, 236 (1968). - H. E. , W. W. Burton and R. C. , 1, 125 (1962). 16. I. A. , 15. N. , 1967. M. Phillips and A. M. Bacot, JAOAC, 36, 504 (1953).

Large year-to-year and location-to-location differences do occur; these are mostly attributable to weather and, specifically, to the total amount and distribution of rainfall during the period of rapid growth (June in North Carolina). Blending balances out these differences. So, instead of concerning ourselves over the de facto composition of tobacco -- this is history anyway -- it might be more provocative to look into the future; to take cognizance of changes that likely will take place in tobacco production; to discuss the pro's and con's of several alternatives; and finally to predict the cumulative effects of these changes on the composition of cigarettes by the 1980's.

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