烟草挥发物的水蒸气蒸馏制备工艺及其在电子烟中的应用研究
Study on the preparation process of tobacco volatiles by steam distillation and its application in electronic cigarette
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摘要:采用水蒸气蒸馏法制备烟草挥发物,优化了工艺条件,采用GC-MS分析了烟草挥发物中的香味成分,将最优条件下制得的烟草挥发物应用于电子烟烟液的制备,通过感官评价分析其应用效果.结果表明:1)水中蒸馏方式烟草挥发物的得率明显高于水上蒸馏方式;2)最佳蒸馏条件为浸润时间2 h,蒸馏时间6 h,蒸馏体系中NaCl质量分数为5%;3)采用水中蒸馏方式,在最佳蒸馏条件下,烟草挥发物中致香成分主要包括新植二烯、茄酮、大马烯酮、巨豆三烯酮、香叶基丙酮、法尼基丙酮等,烟碱未检出;4)在最佳蒸馏条件下且同样稀释2000倍时,水中蒸馏获得的烟草挥发物香韵丰富,烟草本香突出,香气量充足,香气浓郁、厚实,优于水上蒸馏获得的烟草挥发物品质,更能满足电子烟所需传统卷烟的烟草风格和烟气状态.Abstract:Tobacco volatiles were prepared by steam distillation, and the process conditions were optimized. The aroma components in tobacco volatiles were analyzed by GC-MS. The tobacco volatiles prepared under the optimal conditions were used in the preparation of electronic cigarette liquid, and its application effect was analyzed by sensory evaluation. The results showed that:The yield of tobacco volatiles prepared by distillation in water was significantly higher than that prepared by distillation over water; The best distillation conditions were 2 h infiltration time, 6 h in distillation time, and the NaCl mass fraction in the distillation system was 5%; Distilled in water, under the best distillation conditions, the aroma components in tobacco volatiles mainly include neophytadiene, solanone, damascenone, megastigmatrienone, geranylacetone, farnesylacetone, etc., but nicotine was not detected; Under the best distillation conditions and the same dilution 2000 times, the tobacco volatiles prepared by distillation in water were rich in flavor, obvious in tobacco fragrance, abundant in aroma, strong and thick in aroma, which was better than that prepared by distillation over water. Tobacco volatiles prepared under best distillation conditions by distillation in water could better meet the tobacco style and smoke state of traditional cigarettes required by electronic cigarettes.
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Key words:
- steam distillation/
- tobacco volatile/
- electronic cigarette
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