Tea [Camellia sinensis) is the most popular non-alcoholic health drink in the world. Tea contains many vitamins and minerals, and brewed teas are alkaline drinks that contain many functional ingredients, including fluorine, caffeine, catechins, and g-aminobutyric acid, which are beneficial to the human body. Tea has many effects, including delaying aging; lowering blood lipids; preventing high blood pressure; lowering blood sugar and preventing diabetes; preventing dental caries; possessing antibacterial and antiviral, anticancer, and anti-cell mutation, antiradiation, and UV properties; and helping strengthen bones . Tea originated from the Yunnan Province in southwest China and has five subspecies and two varieties. Currently, only C. sinensis (L.) O. Kuntze and its cultivars are widely cultivated and utilized.