Green tea Green tea Green tea is a type of tea that is made from "Camellia sinensis" leaves that have not undergone the same withering and oxidation process used to make oolong teas and black teas. Green tea originated in China, but its production and manufacture has spread to many other countries in Asia. Several varieties of green tea exist, which differ substantially based on the variety of "C. sinensis" used, growing conditions, horticultural methods, production processing, and time of harvest. Although there has been considerable research on the possible health effects of consuming green tea regularly, there is little evidence that
Korean tea tea to King Gyeongdeok and the Buddha. "Camellia sinensis" tea plants spread throughout the country in 828, when King Heungdeok received seeds from the Tang Empire and sent them to be planted on the Jirisan mountain. Tea was usually offered to the Buddha, as well as to the spirits of deceased ancestors. Tea culture continued to prosper during the Goryeo Dynasty. Tea offering was a part of the biggest national ceremonies, such as Yeondeunghoe and Palgwanhoe, and tea towns were formed around temples. During the reign of King Myeongjong (1131‒1202), Seon-Buddhist manners of ceremony prevailed. Jeong Mongju and other scholars