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
Gleditsia sinensis Gleditsia sinensis Gleditsia sinensis is a species of flowering plant native to Asia. In China, "Gleditsia sinensis" is commonly known as "zào jiá" (). The English equivalents include Chinese honey locust (or Chinese honeylocust), soap bean and soap pod. It is one of the alleged "50 fundamental herbs" used in traditional Chinese medicine. "Gleditsia sinensis" has been used in China for at least 2000 years as a detergent. The thorns of "Gleditsia sinensis" are used as a medicinal herb in China and Korea and may have antitumor properties. The thorns of "Gleditsia sinensis" LAM. (Leguminosae) have been used in traditional