The isomerization of stillingia oil and cottonseed oil under the catalysts such as I 、RuCl and Base was investigated以梓油及棉籽油为原料，对以碱、三氯化钌及碘为催化剂的异构化反应进行了研究，应用GC、GC－FTIR、GC－MS、UV等方法，对异构化产物的成分进行了分析。