植物性杀虫剂川楝素的开发研究川楝素是楝科楝属植物—苦楝、川楝树皮中的呋喃三萜类物质。西北农大植保系张兴等从药效、致毒机理、使用技术以及剂型的加工工艺等方面进行了１０多年的研究。其中在生产工艺上采用８０℃热水经４次提取，便可将树皮中有效成分基本抽提出来... Toosendanin, a plant insecticide, is a furanoterpenoid in Melia tomentosa and Melia azedarach. Northwest Agricultural Department of Plant Protection Zhang Xing et al from the efficacy, toxicity mechanism, the use of technology and dosage forms of processing technology for more than 10 years of research. Which in the production process using 80 ℃ hot water extraction by 4 times, you can basically extract the active ingredients in the bark ...