Meiho University Institutional Repository:Item 987654321/1986
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    Please use this identifier to cite or link to this item: http://ir.meiho.edu.tw/ir/handle/987654321/1986


    Title: 無患子純化萃取技術及天然除螺製劑之研發
    Authors: 廖信昌
    Contributors: 健康暨護理學院
    Date: 2012
    Issue Date: 2013-01-10T08:16:45Z (UTC)
    Abstract: 本計畫乃研發無患子皂素萃取技術,可快速萃取及固液分離,25%
    無患子萃取液進行實驗室生物試驗,依數據顯示濃度於125ppm 以上
    對福壽螺致死率即達97%。 以皂樹樹皮萃取液進行實驗室生物試驗,
    依數據顯示濃度於62.5ppm 以上對福壽螺致死率即達93%,31.25ppm
    亦有83%之致死率,由此可見取用低濃度皂樹樹皮萃取液即對福壽螺
    有不錯的防治效果。萃取液其濃度於62.5ppm~125ppm 對於防治福壽
    螺即有不錯之效果,惟皂樹樹皮之原料取得不易,故本研究以25%無
    患子萃取液及苦茶-無患子萃取液做為除螺有機肥之原料,依田間試
    驗結果顯示兩種配方每一濃度於第三天(72小時)後對於福壽螺皆可
    達到90%以上之致死率,故兩項配方於水稻秧田中對福壽螺皆有絕佳
    的致死效果。參酌成本及農民施作便利性考量,以配方55%苦茶粉、
    33%有機質、12%無患子萃取液,每分地施用2KG 為較適合之用量。
    Appears in Collections:[Department of Biological Science and Technology] Research Projects

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