Method of nicotine extraction from tobacco leaces using CHCl3 as a solvemt is reported.The degree of extraction and recovery and purity arc 89.6, 83.sand 99.3% aspectively.

• 本文报导了以氯仿为溶剂从烟叶中提取烟碱的方法，其萃取率为89．6%25，回收率83．5%25，纯度99．3%25。