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第 39 卷第 2 期Vol. 39 No. 2
2009 年 4 月Apr 2009

所屬欄目:分析與測試

油茶餅中茶皂素的定量分析
譚 搏, 曹福祥,趙 瑩 (中南林業(yè)科技大學(xué),湖南 長(cháng)沙 410004)
摘 要:研究了用反相高效液相色譜法(HPLC)測定茶皂素含量的方法,以VP-ODS(250 mm×4.6 mm,C18,5 μm)作分析柱,以甲醇-水(v∶v=9∶1)作流動(dòng)相,流速控制在1.0 mL/min,檢測波長(cháng)280 nm,以質(zhì)量濃度為橫坐標,峰面積為縱坐標,得到工作曲線(xiàn)為Y=3.02×106X-1.16×104,線(xiàn)性相關(guān)系數為0.999 5;厥章蕿97.02%~102.82%。通過(guò)反相高效液相色譜法測定茶籽餅中粗茶皂素的含量為11.89%。
關(guān)鍵詞:反向高效液相色譜:茶皂素;油茶
中圖分類(lèi)號:O657.7+2  文獻標識碼:B  文章編號:1009-9212(2009)02- 0067-03
Quantitative Analysis of Tea Saponin in Camellia Cake
TAN Bo,CAO Fu-xiang,ZHAO Ying (South Central University of Forestry and Technology,Changsha 410004,China)
Abstract:A reverse-phase high performance liquid chromatography (HPLC) method for determination of tea saponin extracted from tea-seed pancake with Soxhlet was studied. With the column VP-ODS(250 mm×4.6 mm,C18,5 μm) and mobile phase methanol-water(v∶v=9∶1)at flow-rate of 1.0 mL/min,a linear equation was obtained as Y=3.02×106X-1.16×104,where Y represents peak area and X represents mass concentration. Linear correlation coefficient r was 0.999 5. Under these conditions,the recovery rate of tea saponin was 97.02%~102.82%.
Key words:reverse-phase high performance liquid chromatography;tea saponin;camellia oleifera
作者簡(jiǎn)介:譚 搏(1984-),男,湖南株洲人,碩士研究生,主要研究方向:天然產(chǎn)物研究與開(kāi)發(fā)。(E-mail:tanbo.waj@163.com)
收稿日期: 2008-03-0
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