The main results were listed as follows: Crystal of rotenone was gained from experiments, which was extracted by toluene at room temperature and purification is 91.33%.

• 研究内容涉及到鱼藤酮的提取纯化、在有机溶剂中、水环境中以及不同土壤环境中的残留消解动态和光解动态等方面，结果如下： 用甲苯冷浸丰顺鱼藤根粉，采用四氯化碳-乙醇法进行重结晶，得到91.；33%25的鱼藤酮白色晶体。