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Determination of substances characteristic of green and black tea. Content of catechins in green tea. Method…

Determination of substances characteristic of green and black tea — Part 2: Content of catechins in green tea…

Overview ISO 14502-2:2005 specifies a validated high-performance liquid chromatography (HPLC) method for determining the total catechin content in tea by summing individual catechins. The method is d…