Comparative Analysis of Quality Characteristics of the Broken Black Tea from Yunnan

To exert the unique quality advantage of the Yunnan broken black tea,the main physical and chemical indexes of the broken black tea samples from the major tea-producing areas in Yunnan had been measured,which including water content,ash content,water extract,water soluble ash,water insoluble ash,water soluble ash alkalinity,acid insoluble ash,thearubigins,theaflavins and theabrownin.Additionally,the quality characteristics of the Yunnan broken black tea were analyzed preliminarily based on sensory evaluation.The results indicated that the factors of regional differences,processing techniques and tea making equipment and conditions will influence the quality of the broken black tea,but the overall quality of the Yunnan broken black tea is generally great.