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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/21967

    標題: 市售可樂飲料中咖啡因含量測定
    Analysis of caffeine in commercial cola beverages
    作者: 林彰泰
    貢獻者: 醫藥化學系
    關鍵字: 高效液相層析法
    Cola beverages
    日期: 2003
    上傳時間: 2010-03-24 16:45:17 (UTC+8)
    摘要: 本研究利用靈敏的高效液相層析法測定六種廠牌可樂飲料式樣中咖啡因的含量。以Acetonitrile-H2O(10:90,v/v)為移動相,使用C-18的分離管柱及紫外光偵檢器偵測,流速為每分鐘1mL進行分離,波長分別設定為254nm及271nm。實驗步驟簡單快速,其回收率分別為103.91-109.47%及97.61-105.30%偵測結果精確,且無干擾情形。實驗結果顯示檢出含咖啡因者三件,咖啡因檢出量均符合現行用量標準;並遵守現行飲料咖啡因標示管理規定,標示於外包裝上。
    關聯: 嘉南學報 28期 : p.166-173
    Appears in Collections:[嘉南學報] 28 期 (2002)
    [醫藥化學系 ] 期刊論文

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