Camellia sinensis commonly called “tea” is the second most extensively consumed beverage in the world, following water, and has a slightly cooling, astringent flavor. The drink is prepared from the evergreen perennial shrub called Camellia sinensis (L.). The tender leaves are processed to make a drink that gives people the crucial pep and stimulus necessary for doing mental and physical work. It is principally consumed as fermented tea or black tea. In addition to use as a beverage, tea leaves are consumed as vegetables, such as in the Burmese “leppet tea” and “meing tea” of Thailand which are consumed as semi-fermented or pickled tea. Also, tea has considerable therapeutic value and can cure many diseases, including cancer.