作　　者： ; ; (毛耀）; (刘志昌）; (姚元军）; (王凤兰）;

机构地区： 湖北中烟技术中心重组烟叶应用技术研究湖北省重点实验室武汉市东西湖区金山大道1355号430040

出　　处： 《烟草科技》 2011年第6期48-51,共4页

摘　　要： 为降低烟草中木质素的含量,提高再造烟叶的质量,制备了Fe-CA仿酶,并通过正交试验优化了烟草(烟梗和碎烟叶片)处理工艺。结果表明:①最优处理条件为:反应温度45℃,处理时间40 min,仿酶用量40 mmol/kg,在此条件下处理的烟草中木质素含量由3.56%降至1.69%,去除率达52.5%;②通过扫描电子显微镜(SEM)观察,处理后的烟草表面变得粗糙不平,有许多孔洞和凹坑,还有纤维骨架露出,表明仿酶可以高效脱除木质素;③仿酶处理后的再造烟叶的香气、杂气和协调性得到了改善,木质杂气减少,刺激性降低,品质得到提升。 In order to reduce the lignin content in tobacco and improve the quality of reconstituted tobacco, Fe-CA biomimetic system was prepared and the treatment process of tobacco （stem and scrap） was optimized by orthogonal experiment. The results indicated that the optimal condition was： temperature 45 ℃, treatment time 40 minutes, and application amount of Fe-CA biomimetic system 40 mmol/kg. The lignin content in tobacco decreased from 3.56% to 1.69% , and the removal rate reached 52.5%. SEM observation indicated that, the surface of treated tobacco became rough and scattered with many pores and holes, some fiber framework appeared. It was suggested that Fe-CA biomimetic treatment could reduce lignin in tobacco efficiently. Moreover, the sensory evaluation showed that the Fe-CA biomimetic treatment improved the aroma, harmony and quality of reconstituted tobacco and reduced its offensive odor and irritation.

关 键 词： 烟草 再造烟叶 仿酶 木质素 扫描电镜 评吸

领　　域： [农业科学] [轻工技术与工程]