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Analysis of Catechins by HPLC

Analysis of Catechins

Catechins are important antioxidant components found in tea. Due to their antioxidant properties and wide range of efficacy, research of catechins has been receiving an increasing amount of attention. The catechin profile in tea has been found to differ depending on the method of tea preparation. In addition, the catechins in tea form thermal isomers during the sterilization process of commercially available bottled tea drinks. The concentration of thermal isomers reaches significant levels, and, as such, the physiological function of these isomers is also of interest.


The following describes examples of analysis of catechins and caffeine in tea.


Chromatogram of standard samples (Concentration of each 10mg/L)




Hitachi Primaide HPLC

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