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药材往往或多或少地受害虫的危害,在药材表面复盖虫卵。这使贮存较久的药材受到明显的损失,甚至整批被毀掉?杀死药材上的害虫非常重要。至今使用的杀虫剂是磷化氢、氢氯酸和甲苯溴化物。这些气体由于毒性大,并在药材上的残留量和代谢物等原因,使使用受到限制。另外,环氧乙烷有强烈致癌性,γ射线、蒸气消毒等均会影响药材质量。最近西德萨尔州萨尔布吕肯大学的埃贡。施塔尔和京特·劳教授在1985年9月23～28日于累根斯堡召开的国际药用植物研究会会议上,介绍一种不会污染环境的杀虫法。他们认为,动物器官对于加压随后迅速松压罕
Medicinal materials are often more or less harmful to pests and cover eggs on the surface of herbs. This has caused significant loss of long-lived herbs and even destroyed the entire batch. It is very important to kill pests on herbs. The pesticides used so far are phosphine, hydrochloric acid and toluene bromide. These gases are limited in their use because of their high toxicity, their residual amount in medicinal materials, and their metabolites. In addition, ethylene oxide has a strong carcinogenicity, gamma rays, steam sterilization, etc. will affect the quality of herbs. Recent Egon of Saarbrucken University, West Saarland. Prof. Stahl and Professor Gunter Rao presented an insecticide method that would not pollute the environment at the International Conference on Medicinal Plant Research held in Regensburg from September 23rd to 28th, 1985. In their opinion, animal organs are rapidly depressurized after pressurization.