Tobacco main-stream (MSS) and side-stream (SSS) smokes, butts, and ashes from commercial cigarettes and cigarettes made from tobacco treatments containing (1) maleic hydrazide (MH), (2) MH-30 (MH diethanolamine salt, DEA-MH), (3) Royal MH-30 (K-MH), (4) 1R1, and (5) 1968 and 1980 commercialcigarettes were analyzed for their MH contents. The MH transfer rates obtained for MSS ranged from 5.54% for MH-30 to 1.25% for K-MH and for SSS ranged from 3.33% for MH-30 to undetected for MH (acid forms). Further, analysis of MH in butts and ashes along with that in MSS and SSS indicates that there was greater MH destruction when MH in nonvolatile form was used. These results suggest the existence of the possibility of reducing the MH transfer rates in MSS and SSS by using the appropriate form of MH.
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