【摘要】 介绍了夹带剂在超临界萃取中的应用，对夹带剂的作用机理、选择原则进行了归纳和分析，重点讨论了夹带剂在萃取烟草中烟碱、精油等有效成分中的应用；并指出寻求良好的超临界流体及适宜的夹带剂，针对性地提取烟草有效成分，改善选择性和增加收率，将是研究超临界萃取烟草有效成分的一个主要发展方向更多还原

【Abstract】 This paper introduces that entrainers used in supercritical fluid extraction (SCFE) operation theory and choice principle of entrainers are concluded and analyzed,and entrainers applied in extracting tobacco available components,such as nicotine and essential oils,are emphatically discussed.and seek for excellent supercritical fluids & suitable entrainers aim at extracting tobacco available components,improving selection &adding up yield.It will become keypoint question of studying on tobacco available components using SCFE.更多还原