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Owing to the potential health benefifits, anthocyanin-rich teas (Camellia sinensis) have attracted interest over the past decade. Previously, we devel oped the cultivar ‘Ziyan,’ which has dark-purple ...
Cell culture and animal studies have demonstrated strong chemopreventative effects of green tea and its associated polyphenols in multiple cancers, though the exact mechanisms of action are not well u...
Hydrogen peroxide (H2O2) formed in aqueous solutions of tea catechins such as epicatechin (EC), epicatechin gallate (ECg), epigallocatechin (EGC), and epigallocatechin gallate (EGCg) was measured by a...
Black tea accounts for almost 80% of the world’s tea production and is the most important source of polyphenol in the world. However, little has been known about the chemistry of black tea polyphenols...
The epimerization reaction of tea catechins was investigated at pH 5.5 and 120 °C in the absence/presence of cyclodextrins (CDs). In the absence of CDs, a considerable quantity (∼20%) of product...
Although it is known that tea catechins exert potent effects in obese subjects, there is scant information concerning these effects on body weight gain and body fat accumulation in the non-obese. We...
The epimerization reaction of tea catechins was investigated at pH 5.5 and 120 °C in the absence/presence of cyclodextrins (CDs). In the absence of CDs, a considerable quantity (∼20%) of product...

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