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《Guangdong Agricultural Sciences》 2012-02
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Analysis of organic acids in Maojian green tea by high performance liquid chromatography

LU Min,ZHANG Shao-yan,YU Hong-wei,SONG Shu-ning(School of Chemical Engineering,Shijiazhuang University,Shijiazhuang 050035,China)  
Detectionation of organic acids in Maojian green tea by HPLC was studied.A reversed-phase C18 column was used with the mobile phase of 0.05 mol/L KH2PO4(pH=2.7)at 0.6 mL/min and detection wavelength at 210 nm and column temperature of 30℃,it can be seperated well for the seven organic acids in MaoJian green tea.The organic acids had good linear in the linear range with recoveries between 95.6%~102.5%.The method was simple,rapid and with high accuracy which was suitable for determination of organic acids in green tea.
【CateGory Index】: TS272.7;O657.72
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