烟草科技2019，Vol.52Issue(12)：70-78,9.
超滤膜组合技术对烟草提取物化学成分的影响
Effect of membrane combination technology on chemical components of tobacco extract
摘要
Abstract
To investigate the effects of ultrafiltration membrane on components and sensory quality of tobacco extracts, membrane combinations of five levels(10 kDa, 2 kDa, 1 kDa, 700 Da and 300 Da)were designed to study the variations in the main chemical components and their contents in the retentate at each membrane level. The retentates were add into reconstituted tobacco for sensory evaluation, and the results showed that:1) From 2 kDa to 300 Da, the contents of reducing sugar and total alkaloids in the retentates of membranes of five levels increased gradually, the sum of reducing sugar in the retentate and filtrate of 300 Da membrane was more than 200% of the sum of reducing sugar in the retentates of the other membranes, and more than 70% of the total alkaloids in tobacco concentrated in these two parts. 2)The protein and polysaccharide enriched in the retentate of 10 kDa membrane, and the contents were 1.23% and 4.03% of the extract of original tobacco, respectively. 3) The characteristic components in tobacco had different enrichment characteristics on 700 and 300 Da membranes. The number of small molecular compounds in filtrate of 300 Da membrane was the largest. The total content of volatile components in filtrate of 300 Da membrane was the highest excluding nicotine, and the total amount reached 207.81 μg/g based on the extract of original tobacco. 4)The retentates of 10, 2 and 1 kDa membranes had more negative sensory effects in the reconstituted tobacco, while the retentates and filtrates of membranes below 700 Da promoted the sensory quality of reconstituted tobacco, and the top notes and body notes of the extract of original tobacco were prominent. The results of this study provide references for the development of tobacco flavors and quality reconstituted tobacco.关键词
膜分离/烟草提取物/化学成分/感官特征/再造烟叶Key words
Membrane separation/Tobacco extract/Chemical component/Sensory characteristic/Reconstituted tobacco分类
轻工纺织引用本文复制引用
郑建宇,尚可超,刘晶,周桂园,殷沛沛,董高峰,王保兴,吴建霖,李美红,周潇..超滤膜组合技术对烟草提取物化学成分的影响[J].烟草科技,2019,52(12):70-78,9.基金项目
云南省科学技术厅项目"烟草内、外源物质分离及在功能型再造烟叶产品开发中的应用"(2018BA081). （2018BA081）
