Green tea is a type of tea that is made from Camellia sinensis leaves and buds that have not undergone the same withering and oxidation process used to make oolong teas and black teas.^[1] Green tea originated in China, but its production and manufacture has spread to other countries in East Asia.

Green tea is a type of tea that is made from Camellia sinensis leaves and buds that have not undergone the same withering and oxidation process used to make oolong teas and black teas.^[1] Green tea originated in China, but its production and manufacture has spread to other countries in East Asia.