Oolong of steeping oolongs in Taiwan and China is called gongfucha. This method uses a small steeping vessel, such as a gaiwan or Yixing clay teapot, with more tea than usual for the amount of water used. Multiple short steeps of 20 seconds to 1 minute are performed; the tea is often served in one- to two-ounce tasting cups. Oolong generally contains caffeine, although the caffeine content in tea will vary based on terroir, when the leaf is plucked, and the production processes. Oolong Oolong (; ) is a traditional semi-oxidized Chinese tea ("Camellia sinensis)" produced through a process including withering
White tea White" and "Fujian White". Some tea from the related wild "Camellia taliensis" in Yunnan is made using white tea processing techniques. White tea, like black and green tea, is made from the "Camellia sinensis" plant and contains polyphenols, a set of phytonutrients that are thought to be responsible for the health effects of tea. Different white teas have different amounts of catechins, a category of polyphenols, and the overall range of concentrations overlaps with that of green tea, meaning that some white teas have the same concentration of polyphenols as some green teas. This may be due to the variety