“…EVG can be thermally cleaved during the combustion of cigarettes, releasing ethyl vanillin and vanillin, as well as ketones, acids and heterocyclic substances. 9 This results in varying degrees of increase in the content of aroma-causing components in tobacco to achieve the purpose of enhancing the aroma and flavor of cigarettes. Nicotine (NIC), one of the main alkaloids in tobacco, is the main addictive ingredient in cigarettes and long-term smoking will cause harm to the human body, such as neurological damage and cardiovascular disease.…”