SPDS Meeting Book
Background
Current Analytical Techniques For past years, many analytical techniques have been used in tea components analysis including 1. Chromatographic methods‐HPLC‐UV, HPLC‐MS, GC, GC MS and HPTLC 2. Spectroscopic methods‐NMR and NIR.
Background
Challenges 1. Multiple methods may needed because of the analytes properties (e.g.Catechins and theanine) ; 2. Special processing and extraction methods may needed because the contents of analytes in the target products (from micro grams to grams); 3. The availability of quantitative standards.
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