Phenolic content in tea green tea. Catechins constitute about 25% of the dry mass of a fresh tea leaf, although total catechin content varies widely depending on species, clonal variation, growing location, season, light variation, and altitude. They are present in nearly all teas made from "Camellia sinensis", including white tea, green tea, black tea and oolong tea. Of all the catechins in tea, EGCG is the main subject of scientific study with regard to its potential health effects. 4-Hydroxybenzoic acid, 3,4-dihydroxybenzoic acid (protocatechuic acid), 3-methoxy-4-hydroxy-hippuric acid and 3-methoxy-4-hydroxybenzoic acid (vanillic acid) are the main catechins metabolites found in humans after consumption of green
Chinese tea be a light drink flavoured. However, when sipped as a daily beverage, Chinese people tend to use a special personal tea bottle, in which water is allowed to infuse with tea leaves for hours, and sipped continuously. This method, which is more prevalent in day to day Chinese life, involves the repeated use of the same tea leaves throughout the day. A traditional Chinese tea set consists of special clay or porcelain teapots, teacups, tea spoons, tea strainers, draining trays, tea forceps (for the leaves), a large forceps (for the tea cups) and occasionally, tea caddies. All of these are