Some basic compounds in domestic burley tobacco, such as pyridines, pyrazines, and other alkaloid compounds, were lower than those in Brazil and Zimbabwe tobacco leaves.

• 国产白肋烟的中性香味成分总量 (不计新植二烯 )高于津巴布韦和巴西白肋烟 ,略低于马拉维白肋烟 ;