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Position: Home > Articles > Quantitative Determination of Tea Saponin in Tea Seed Meal by High Performance Liquid Chromatography FOOD SCIENCE 2013,34 (8) 153-156

高效液相色谱法定量分析茶籽粕中的茶皂素

作  者:
张海龙;张维农;胡志雄;齐玉堂;龚任
单  位:
武汉工业学院食品科学与工程学院;武汉工业学院分析测试中心;国家粮食局武汉科学研究设计院
关键词:
高效液相色谱法;茶籽粕;茶皂素;检测
摘  要:
以脱脂冷榨茶籽饼粕为原料,采用反相ODS填料纯化制备茶皂素标准品,并采用紫外吸收光谱、红外光谱及质谱对该标准品进行鉴定;采用自制标准品为标样,建立一种高效液相色谱法定量分析茶籽饼粕中茶皂素含量的方法。高效液相色谱法条件为反相ODS色谱柱、检测波长215nm、柱温室温、流速1.0mL/min、流动相以乙腈-水体系进行梯度洗脱(0~5min内乙腈体积分数保持为20%,5~10min内流动相乙腈体积分数从20%增至100%,10~15min内流动相乙腈体积分数从100%回至20%)。采用该条件检测得到的茶皂素峰型对称,保留时间合适,杂峰和茶皂素峰分离度较高。
译  名:
Quantitative Determination of Tea Saponin in Tea Seed Meal by High Performance Liquid Chromatography
作  者:
ZHANG Hai-long1,ZHANG Wei-nong1,HU Zhi-xiong2,,QI Yu-tang1,GONG Ren3(1.College of Food Science and Engineering,Wuhan Polytechnic University,Wuhan 430023,China;2.Analysis and Test Center,Wuhan Polytechnic University,Wuhan 430023,China;3.Wuhan Science Research and Design Institute,State Administration of Grain,Wuhan 430070,China)
关键词:
high performance liquid chromatography(HPLC);cold-pressed tea seed meal;tea saponin;detection
摘  要:
In this work,tea saponin was purified by reversed-phase ODS-A column chromatography from degreased coldpressed tea seed meal for use as a reference standard in the quantitative determination of tea saponin by HPLC and identified by UV absorption spectrometry,FTIR and mass spectrometry.HPLC separation was achieved with reversed-phase ODS column and acetonitrile-water as eluent(an initial acetonitrile concentration of 20% held for 5 min,then increased to 100% in 5 min,and finally decreased back to the initial value) at a flow rate of 1.0 mL/min in gradient mode.UV detection was carried out at 215 nm.Under these conditions,symmetric peaks,desired retention time and good separation between tea saponin and impurity were observed.

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