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
Chinese tea culture or "cha wenhua" ("tea culture"). The word "cha" (茶) denotes the beverage that is derived from "Camellia sinensis", the tea plant. Prior to the 8th century BCE, tea was known collectively under the term 荼 (pinyin: tú) along with a great number of other bitter plants. These two Chinese characters are identical, with the exception of an additional horizontal stroke in the Chinese lettering 荼, which translates to tea. The older character is made up of the radical 艸 (pinyin: cǎo) in its reduced form of 艹 and the character 余(pinyin: yú), which gives the phonetic cue. There are several