Kerstin Karlsson

Effects of flue-curing and ageing on the volatile, neutral and acidic constituents of Virginia tobacco☆

Abstract Several volatile compounds are generated and the concentrations of many others increase on flue-curing and ageing of Virginia tobacco. Oxidative degradation of isoprenoids, Maillard reactions and phenylalanine metabolism are the major processes accounting for the formation of the majority of these compounds. A number of alcohols, aldehydes and ketones, which are apparently products of fatty acid degradation, are lost during the post-harvest handling.

Effects of flue-curing and ageing on the volatile basic constituents of Virginia tobacco☆

Abstract Flue-curing and ageing of Virginia tobacco reduce the amounts of nicotine and several of its transformation products. In contrast, the concentrations of certain structurally simple pyridines and a few compounds, which are presumably products of sugar—amino acid interactions, are found to increase. Generation of several pyridines and a few other bases during the leaf processing is also observed.