Show Nicotine in Tobacco The Tle quantity of nicotine contained In tobacco varies rles from U 2 to S per cent the coarser kinds containing the larger quantity while the be beat t ana Havana cigars seldom contain more than 2 per cent ent and often orten Ie le leas s. s Nicotine do does not appear appear ap ap- pear In tobacco smoke It Is s split spilt Into Into into In In- to pyridIne and Of these thelle the latter Is U said to be the less active and to preponderate In cigar smoke while the smoke from pipes contains a lar larg lar- larger ger g- g er lr am amount of ot pyridine The percentage percent percent- age of nicotine varies arles with the kind of ot tobacco and with the district In la n which It Is grown |