Research Progress in Extracting and Effects of Theaflavin

Theaflavin is a natural substance. At present,researches on theaflavin are mainly conducted from four approaches,including the extracting of theaflavin,the quality of theaflavin and black tea,the physiological effect of theaflavin and the application of theaflavin. The thesis conducts a deep analysis focusing on the recent development of researches on the physiological effect and the extracting of theaflavin.