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題 名 | 保健食品中羥基檸檬酸檢驗方法之探討=Determination of Hydroxycitric Acid in Dietary Supplements |
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作 者 | 吳白玟; 吳駿逸; 曾素香; 闕麗卿; 施養志; | 書刊名 | 食品藥物研究年報 |
卷 期 | 3 2012.11[民101.11] |
頁 次 | 頁20-25 |
分類號 | 412.46、412.46 |
關鍵詞 | 羥基檸檬酸; 保健食品; 藤黃果萃出物; 固相萃取匣; 高效液相層析; Hydroxycitric acid; Dietary supplements; Garcinia cambogia extract; Solid phase extract cartridge; HPLC; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討以高效液相層析儀配合光二極體陣列偵測器(HPLC-PDA),檢測含藤黃果萃出物之保健食品中羥基檸檬酸(hydroxycitric acid, HCA)之含量。串聯2支逆相層析管柱,配合pH調至2.5含配位離子劑四丁基硫酸氫銨之5 mM磷酸鹽溶液為移動相,在紫外光210 nm波長,流速0.5 mL/min條件下,進行HCA高效液相層析。樣品經固相萃取淨化處理可除去干擾積分之波峰,且pH值影響樣品淨化效果,當檢液為鹼性(pH 10)時,可有效的滯留在固相萃取匣中,再經1 mL 2%甲酸溶液,逐步沖提定容至4 mL後,進行HPLC分析。三件標示含藤黃果之檢體,均無標示HCA含量,其HCA檢測含量範圍介於13-31 mg/g之間。 |
英文摘要 | An improved analytical method was developed for the determination of hydroxycitric acid in dietary supplements containing Garcinia cambogia extract. Sample solution was adjusted to high pH 10 before cleaning up with a solid phase extract cartridge. Analysis was performed by HPLC: equipped with two connected columns eluted with ion-paired phosphate solution (pH 2.5). The hydroxycitric acid was quantified within 20 min and identified by on line photodiode array spectra. Three dietary supplements were analyzed with their hydroxycitric acid contents in the range of 13-31 mg/g. |
本系統中英文摘要資訊取自各篇刊載內容。