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Oxidation of Tea Catechins: Chemical Structures and Reaction Mechanism
black tea tea polyphenol catechin
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2009/6/17
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...
Effect of Cyclodextrins on the Thermal Epimerization of Tea Catechins
tea catechins thermal epimerization cyclodextrin
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2009/5/8
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...
Effect of Cyclodextrins on the Thermal Epimerization of Tea Catechins
tea catechins thermal epimerization cyclodextrin
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2010/2/3
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...