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題 名 | 利用微透析裝置連結高效能液相層析儀分析茶品的兒茶素=Determination of Catechins in Tea Drinks by Microdialysis-HPLC |
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作 者 | 楊慶成; 張嘉真; | 書刊名 | 高雄師大學報 |
卷 期 | 14 2003.04[民92.04] |
頁 次 | 頁205-213 |
分類號 | 341.96 |
關鍵詞 | 微透析; 兒茶素; HPLC; Microdialysis; Catechin; |
語 文 | 中文(Chinese) |
中文摘要 | 以微透析裝置連結高效能液相層析儀分析茶品的四種兒茶素含量,就HPLC系統和微透析系統進行多項變因的探討。層析條件包括動相和層析管柱的選擇;透析條件包括樣品溶液的pH值和添加鹽類濃度、灌注液添加極性修飾劑比例、灌注液流速和pH值及收集時間等影響透析之因素,找出最佳條件。 實驗結果以100%甲醇為灌注液,流速為1.06μL/min,收集時間30分鐘條件下,連線HPLC動相為pH4、10-3M磷酸二氫鈉鹽緩衝水溶液混和氰甲烷,搭配逆向C-8管柱進行梯度沖提,分析主要四種兒茶素。研究並針對市售茶飲進行兒茶素含量的檢測。 |
英文摘要 | The purpose of the study was to analyze catechins in tea drink by microdialysis connected with HPLC. The conditions of HPLC analysis included the stationary phase selection and the mobile phase conditions were examined. Also the conditions of micro-dialysis which included the pH and the concentration of salt adding of the sample as well as the pH, flow rate, and the modifier of perfusate were examined. The optimal conditions of the micro-dialysis sampling were 100% methanol as perfusate with the flow rate of 1.06μL /min and 30 min. collection time. And the optimal conditions of HPLC analysis were C8 reversed phase column with the mobile phase of acetonitrile and pH4, 10-3M phosphate buffer gradient condition. The study also examined the commercial tea drinks by the method and the results are reported. |
本系統中英文摘要資訊取自各篇刊載內容。