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TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 29

Use of two GC-MS scan techniques for the characterization of wrappers and binders taken from cigar products

LAUTERBACH J.H.(1); GRIMM D.A.(2)
(1) Lauterbach & Associates, LLC, Macon, GA, USA; (2) Coordinated Instrumentation Facility, Tulane University, New Orleans, LA, USA

The proper classification of tobacco products is very important for regulatory and taxation purposes. Cigars products present a special problem because of the wide variation in sizes, blends, and additives used in the tobacco filler, and the nature of the wrapper and binder (if used). Proper classification of little cigars (also known as small cigars or cigarillos) can present problems because of their similarity to some cigarette products, and the inability of routine and some nonroutine assays to discriminate among products. Consequently, we characterized the wrappers and binders (if used) from several varieties of little cigars with two GC-MS scan techniques: 1) the Direct Silylation Scan (in situ silylation of tobacco before analysis), which provides identifications and semi-quantitative data, on acids, humectants, sugars, and certain other compounds (Moldoveanu et al., 46th TCRC, Paper #28); and 2) the HFP Scan (in situ extraction of tobacco with hexafluoroisopropanol or methanol before analysis), which allows the analysis of the semivolatile compounds ranging, from low molecular-weight ketones to neophytadiene and some sterols (Dong et al., 47th TCRC, Paper #16). Both GC-MS techniques were performed on an Agilent 6890 GC coupled with an Agilent 5972 MS. A DB-5MS capillary GC column (25 m X 0.25 μm film thickness and 0.25 mm ID) was used. The data from our analyses allowed us to distinguish between natural and reconstituted materials and apparent transfer of tobacco constituents to wrappers when no binders are used.