Transcription of leaf Chemistry
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Reprinted from Tobacco: Production, Chemistry , And Technology, D. Layten Davis and Mark T. Nielson, Eds., Blackwell Science (Pub.), 1999 Chapter 8 leaf Chemistry BA Basic Chemical Constituents of Tobacco leaf and Differences among Tobacco Types Leffingwell Leffingwell and Associates Canton, Georgia, USA INTRODUCTION In 1960, a little over 200 chemical constituents had been identified in tobacco leaf of all types and less than 450 had been reported in smoke. Today, a p proximately 3000 have been identified and characterized in tobacco leaf and some 4000 in smoke. Estimates ar e that the total number of chemical constituents in leaf exceeds 4000 and there are over 6000 in tobacco smoke.
266 Tobacco: Production, Chemistry and Technology Table 8.1 Composition of cigarette tobaccos: representative analyses of cigarette tobaccos (leaf web after aging, moisture-free basis). Component
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