不同类型烟草原料加热卷烟烟气香味成分差异性分析OA

To explore the differences in the aroma characteristics of heated tobacco products(HTPs)from different types of tobacco materials,this study selects 55 tobacco leaf samples from six major tobacco types and processes them into HTPs.Using a smoking machine and gas chromatography-mass spectrometry(GC-MS),this study compares the differences in aroma components in the smoke,and analyzes the relationship between the smoke aroma components and sensory evaluation indicators.The results show that:(1)There are significant differences in the aroma characteristics of HTP smoke from different types of tobacco materials.For most aroma components of furan,pyran,and lactone,flue-cured tobacco and sun-cured yellow tobacco exhibit the highest contents,followed by sun-cured red tobacco and oriental tobacco,while cigar tobacco and burley tobacco have the lowest levels,with significant differences among the three groups;the contents of ketone and acid aroma components in flue-cured tobacco and sun-cured yellow tobacco are second only to those in oriental tobacco;among phenolic aroma compounds,sun-cured yellow tobacco,flue-cured tobacco,sun-cured red tobacco,and burley tobacco show relatively higher contents,whereas oriental tobacco has the lowest;for nitrogen-containing aroma compounds,burley tobacco and sun-cured red tobacco have the highest contents,and flue-cured tobacco and sun-cured yellow tobacco have the lowest,with significant differences between the two groups;as for other types of aroma components,cigar tobacco,sun-cured red tobacco,and burley tobacco contain relatively higher amounts,while flue-cured tobacco,oriental tobacco,and sun-cured yellow tobacco have lower levels.(2)Correlation analysis shows that most aroma components of furan,pyran,lactones,phenols,acids and ketones are positively correlated with sensory evaluation indicators(irritation,dryness,bitterness,aftertaste and total smoking score).In contrast,nitrogen-containing aroma compounds and other types of aroma components exhibit the opposite trend.Based on the comprehensive results of variance analysis and correlation analysis,it is preliminarily concluded that flue-cured tobacco and sun-cured yellow tobacco have higher contents and richer varieties of smoke aroma components,followed by sun-cured red tobacco and oriental tobacco,while cigar tobacco and burley tobacco have the lowest contents.Therefore,flue-cured tobacco and sun-cured yellow tobacco may be the appropriate materials for HTPs,characterized by their higher contents and wider variety of smoke aroma components,with greater application potential.