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題 名 | Determination of Rutin in Buckwheat Tea and Fagopyrum tataricum Seeds by High Performance Liquid Chromatography and Capillary Electrophoresis=高效液相層析法及毛細管電泳法測定蕎麥茶及印度蕎麥種子中之芸香苷 |
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作 者 | Vachirapatama, Narumol; Chamnankid, Busaya; Kachonpadungkitti, Yongsak; | 書刊名 | Journal of Food and Drug Analysis |
卷 期 | 19:4 2011.12[民100.12] |
頁 次 | 頁463-469+540 |
分類號 | 412.37 |
關鍵詞 | 芸香苷; 蕎麥茶; 印度蕎麥種子; 高效液相層析法; 毛細管電泳法; Rutin; Buckwheat tea; Fagopyrum tataricum seeds; High performance liquid chromatography; Capillary electrophoresis; |
語 文 | 英文(English) |
英文摘要 | Simple, fast and very sensitive high performance liquid chromatography (HPLC) and capillary electrophoresis (CE) methods for the determination of rutin were developed. The separation of rutin by HPLC was performed using a Chromolith RP 18 column with detection wavelength at 356 nm. Composition of mobile phase was methanol : water (50 : 50, v/v) in 10 mM acetate buffer at pH 4.1. The limit of detection (at a signal-to-noise ratio of 3) was 23.91 ng/mL. Relative standard deviations of retention time, peak area and peak height (n = 5) for rutin were 0.199, 0.832 and 0.522%, respectively. For CE method, rutin was separated on a bare fused silica column. Borate buffer at pH 9.4 was used as the background electrolyte and detected wavelength was 208 nm. The limit of detection (at a signal-to-noise ratio of 3) was 55.67 ng/mL by using a 5 s injection time and +20 kV power supply. Relative standard deviations of retention time, peak area and peak height (n = 5) were 0.377, 0.923 and 2.446%, respectively. Both methods were applied to determine rutin in buckwheat tea and Fagopyrum tataricum seeds. Sample matrix in buckwheat tea was removed by using Sep-Pak C18 prior injection to HPLC and CE. The results for rutin determination obtained by the HPLC method agreed well with those from CE method. |
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