Tobacco and Tobacco Products Institute, BG – 4108 Plovdiv, Bulgaria
NIKOLOV, N., 2007. Investigation on the controlling matters variation in cigarette smoke. Bulg. J. Agric. Sci., 13: 545-554
The legislative norms introduction for controlling in cigarette smoke matters content – nicotine, tars and carbon monoxide (CO) puts the necessity for determining permissible limits of its variation. The aim of present investigation is determination variation (permissible limits) of controlling components (nicotine, tars and CO) in cigarette smoke and its comparison with these found in some cigarette trade brands and standard norms. The methodical approach for determination investigated matters variation is based on investigation cigarettes produced of the same tobacco (mono cigarettes) with three levels nicotine - low, middle and high, with the same materials and physical properties i.e. in conditions in which the method accuracy or other accidental objective and subjective factors can influence on smoke composition. The chemical composition is determined of the chosen tobacco according to known routine methods. The obtained results are processed variation statistical. The availability of definite functional dependences is checked between controlling components of tobacco smoke (nicotine, tars and CO) and correlation coefficients between them. The values should use for assessment permissible variation of smoke matters over normative levels for different cigarette brands: for nicotine – 0.1 mg/cig, for tars – 1 mg/cig and for carbon monoxide – 2 mg/cig. The determined deviations in controlling matters content in tobacco smoke are lower for cigarettes with relative lower smoke matters content and higher for these with high.