AOAC SPDS Meeting Book March 19 2015

Significance A simple, cost effective and accurate test method to  measure tea catechins caffeine, theaflavin levels and  other phenolic compounds is needed for for  products containing a variety of tea extracts.

General Analytical Requirements Tests for Identity, Purity, Assay  Methods to verify the identity of Tea leaf material  Methods to analyze the amount of selected tea   components in tea leaf  Methods to analyze the amount of selected tea   components in tea extract  Methods to analyze the amount of selected tea   components in dietary supplements containing tea extract.