分子蒸馏分离废次烟末致香成分及在烟草中的应用

doi:10.11944/j.issn.1000-0518.2015.12.150179

摘要/Abstract

摘要：

采用分子蒸馏技术对超临界CO₂萃取的废次烟末提取物进行分离,并对馏分进行GC-MS分析。 GC-MS结果显示,三级分子蒸馏(80、120、160 ℃)共鉴定出52种化学组分。 80 ℃轻组分段鉴定出15种,以杂环类为主,占总量的98.91%;其次为酯类,占总量的0.606%。 120 ℃轻组分段鉴定出26种,以杂环类为主,占总量的91.42%;其次为酮类、醇类和烃类,分别占总量的4.16%、2.87%和0.74%。 160 ℃轻组分段鉴定出26种,以醇类为主,占总量的67.97%;其次为杂环类,占总量的11.57%,烃类、醚类、酮类、酯类、醛类分别占总量的7.9%、4.09%、3.77%、2.80%、1.89%。不同馏分段化合物种类和含量存在明显差异性,充分体现了分子蒸馏选择性富集的特点。感官评吸表明,80 ℃轻组分和120 ℃轻组分按照质量比8:2调配后,香气质较好,香气量较足,口腔较舒适,有甜香显现,吸味较纯净,评吸结果较为理想。

关键词: 分子蒸馏, 废次烟末, 致香成分, 感官评吸

Abstract:

The discarded tobacco extracted by supercritical CO₂ was separated by molecular distillation techniques and analyzed by GC-MS. Fifty-two kinds of compounds were identified in total. 15 kinds of compounds were identified by the 80 ℃ light fraction. Among them, heterocycles were dominant, accounting for 98.91% of the total, followed by esters(0.606%). Twenty-six kinds of compounds were identified by the 120 ℃ light fraction. The chemical classes were mainly made up of heterocycles(91.42%), with relatively small amounts of ketones(4.16%), alcohols(2.87%) and hydrocarbons(0.74%). There were 26 kinds of compounds identified by the 160 ℃ light fraction. Alcohols(67.97%) were the dominant chemicals, followed by heterocycles(11.57%), hydrocarbons(7.9%), ethers(4.09%), ketones(3.77%), esters(2.80%) and aldehydes(1.89%), respectively. There were obvious differences in the compound types and contents of different fractions, which reflected the selective enrichment feature of molecular distillation. The sensory evaluation of the mixture of the 80 ℃ and 120 ℃ light fraction with the mass ratio of 8:2 was better. The sample's aroma quantity and quality increased, the after taste got more comfortable. Meanwhile it presented sweet aroma and more pure smoke flavor.

Key words: molecular distillation, discarded tobacco, aroma constituents, sensory evolution

杨艳芹, 袁凯龙, 夏琛, 吴键, 周国俊, 段太成, 储国海, 蒋健, 尹洁, 刘金莉, 史春云, 胡安福, 卢昕博, 陶丰. 分子蒸馏分离废次烟末致香成分及在烟草中的应用[J]. 应用化学, 2015, 32(12): 1448-1454.

YANG Yanqin, YUAN Kailong, XIA Chen, WU Jian, ZHOU Guojun, DUAN Taicheng, CHU Guohai, JIANG Jian, YIN Jie, LIU Jinli, SHI Chunyun, HU Anfu, LU Xinbo, TAO Feng. Separation of Aroma Constituents from Discarded Tobacco by Molecular Distillation and Its Application in Tobacco[J]. Chinese Journal of Applied Chemistry, 2015, 32(12): 1448-1454.

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