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
History of tea now the largest exporter of tea to the United Kingdom. There is also a great consumption of tea in Chile. In South Africa, the non-Camellia sinensis beverage rooibos is popular. In South America yerba mate is a popular infused beverage. The only European plantation is Chá Gorreana, located in Ribeira Grande, São Miguel island, Azores (Portugal). In South America, the tea production in Brazil has strong roots due to the country's origins in Portugal, the strong presence of Japanese immigrants and also because of the influences of their neighbor's yerba mate culture. Brazil had a big tea production until the