Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/21967
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    CNU IR > Chna Nan Annual Bulletin > No.28 (2002) >  Item 310902800/21967
    Please use this identifier to cite or link to this item: https://ir.cnu.edu.tw/handle/310902800/21967


    Title: 市售可樂飲料中咖啡因含量測定
    Analysis of caffeine in commercial cola beverages
    Authors: 林彰泰
    劉孟春
    Contributors: 醫藥化學系
    Keywords: 高效液相層析法
    咖啡因
    紫外光偵檢器
    HPLC
    Caffeine
    Cola beverages
    Date: 2003
    Issue Date: 2010-03-24 16:45:17 (UTC+8)
    Abstract: 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。
    Relation: 嘉南學報 28期 : p.166-173
    Appears in Collections:[Chna Nan Annual Bulletin] No.28 (2002)
    [Dept. of Food & Drug Industry and Inspective Technology] Periodical Articles

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