Show Nicotine in Tobacco The quantity of nicotine contained cont In tobacco varies from 2 to 8 per cent the coarser kinds hinds containing the larger quantity while the best lIn Havana cigars seldom contain more than 2 per cent and often orten less Nicotine does not ap appear appear appear pear In tobacco smoke It Is split In Into into Into to pyridIne and Of these thE th latter Is 11 said to be the less active and to preponderate In cigar e while the smoke from pipes contains a larg larger larger larger er amount of p pyridine The percent percentage percentage percentage age of nicotine varies with the kind of o tobacco and with the district In which It Is la grown |