2种方法制备的伊兹密尔香料烟致香组分成分分析及应用

Comparative Study on Aromatic Compositions of Izmir Oriental Tobacco by Two Methods and Application of Volatile Components in Cigarette Flavoring

为促进伊兹密尔香料烟提取物在卷烟中的使用,采用GC/MS法分析了伊兹密尔香料烟经酸碱分离纯化所得致香组分和分子蒸馏富集所得致香组分的挥发性成分,并进行了卷烟加香对比试验。结果表明:酸碱分离得到的组分其化学成分主要是酸类,在鉴定出的55种成分中,酸性成分占28种,分别为3-甲基戊酸、庚酸、苯甲酸、苯乙酸、棕榈酸等,其中棕榈酸是主要成分,其含量占18.10%;在分子蒸馏得到的组分中检测到32种成分,主要是酯类、酸类、醇类和酮类,其中酯类、酸类所占比例最大;酸性组分与分子蒸馏致香组分中共有10种成分,包括6种酸类成分和4种酮类成分。2种方法制备的伊兹密尔香料烟致香组分卷烟加香各具特征风格:添加酸性组分的卷烟烟气柔和细腻,烟香增强,口感改善明显,每克烟丝中用量1.0μg较适宜;分子蒸馏致香组分用于卷烟加香后能增加烟香,使烟气丰满、飘逸、甜润,并赋予卷烟特有的风格特征,每克烟丝中用量2.0μg较适宜。

In order to promote application of Izmir oriental tobacco extract in cigarette,the aroma- tic components of Izmir oriental tobacco prepared by acid-base separation technology and molecu- lar distillation technology were identified by capillary GC-MS,and then analyzed under cigarette flavoring test. The results showed that the chemical compounds obtained by acid-base separation technology were mainly acids. Fifty-five identified components included 28 acidic compositions, such as 3-methyl-isovalerate, heptanoic acid, benzoic acid, phenylacetic acid, palmitic acid, etc. , in which palmitic acid accounting for 18. 10% was the main element. In the molecular distillation product 32 compositions were detected, mainly containing esters, acids,alcohols and ketones, of which esters and acids accounted for the highest proportion. Comprehensively,there were 10 compositions both identified in aroma compositions of acidic and molecular distillation products, which included 6 acids and 4 ketones. Through the flavoring test tobacco showed features as below.the acidic aroma compositions significantly harmonized the incense of smoke and improved taste of cigarette,and the optimum addition dosage was 1.0 μg/g;the molecular distillation aroma compo- sitions enhanced natural cigarette aroma, conferring a unique style of cigarette, and the optimum dosage was 2.0μg/g.