Introduction
Although drinking tea has been said to have health benefits for many centuries, only recently have its medicinal value been investigated empirically. There are four general categories of tea. These are green, black, white, and oolong tea. Black tea and green tea are the most common types. Black tea, which is obtained after fermentation and oxidation through fermentation, is the most commonly consumed kind. However, recent research indicates that some nutrients and elements are lost through oxidation. Green tea, which is the least unprocessed kind of tea, contains antioxidant polyphenols, especially the catechins believed to contribute to health benefits. ...
