After water, tea is the most commonly consumed beverage in the world. It has a cooling, slightly bitter, astringent taste, enjoy many.

There are at least six varieties of tea: white, yellow, green, oolong, black and Pu-erh,  of which the most commonly found on the market are white, green, oolong and black. All teas are made from the same plant species, although different varieties can be used, and the leaves are different, processed and, in the case of delicate white tea, grown differently. Pu-erh tea, a post-fermented tea is often used medically.

The term “herbal tea” refers generally to an infusion or infusions of leaves, flowers, fruits, herbs or other plant material that does not contain Camellia sinensis. The term “red tea” refers to an infusion made of either black tea (mainly in Chinese, Korean, Japanese and other East Asian languages) or the South African rooibos plant (includes any Camellia sinensis).