Abstract To identify the different kinds of chemicals that can be extracted from muskmelon, three extractive methods were used: headspace extraction, Likens-Nickerson extraction, and vacuum distillation extraction. From bioassaying the ovipositional attraction of each chemical to the melon fly (Bactrocera cucurbitae Coquillet), the more-attractive chemicals included ethyl propanoate, ethyl butyrate, isobutyl acetate, ethyl 2-mercaptopropionate, ethyl acetate and butyl acetate. Those can be mixed to produce an artificial ovipositional attractant.
摘要 將成熟洋香瓜(Cucumis melo)之果實以三種低溫萃取法：上部空間吸附法(headspace absorption extraction) 、蒸氣蒸餾溶劑萃取法(Likens-Nickerson extraction)及真空蒸餾法(vacuum distillation extraction)，分別萃取其果實中所含揮發性重要成份，加以分析並比較其差異性。將重要成份經生物檢定比較其對瓜實蠅(Bactrocera cucurbitae Coq.) 之產卵誘引性。經篩選出丙酸乙酯(ethyl propanoate)、丁酸乙酯(ethyl butyrate)、乙酸異丁酯(isobutyl acetate)及2-硫基丙酸乙酯(ethyl 2-mercaptopropionate)為誘卵性較佳者，而乙酸乙酯(ethyl acetate)與乙酸丁酯(butyl acetate)等次之。期配製出可誘引瓜實蠅產卵之人工產卵誘引劑，而利用於防治技術。
| Key words: muskmelon, extract, Bactrocera cucurbitae Coquillet, ovipositional attractants. | | 關鍵詞: 洋香瓜、萃取、瓜實蠅、產卵誘引劑 |
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