Abstract
Carbohydrates in commercial tobacco products were quantified utilizing a liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS) technique. The method utilizes negative ion electrospray with multiple reactions monitoring and an internal standard calibration. Snuffs, chewing tobaccos, cigars, and cigarettes were analyzed. Product type differentiation was possible using the carbohydrate levels coupled with pH and moisture contents. The LC-MS/MS method was compared to a method utilizing ion chromatography with pulsed amperometric detection. The LC-MS/MS method provided improved selectivity and specificity, demonstrated better precision, and had a larger dynamic range for glucose, fructose, and sucrose in tobacco extracts.
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