Green tea, which is called non-fermented tea, is made from fresh tip of tea plant as material by fixing, rolling and torrefaction. Green tea reserved more natural substance which contribute to feature of green leaves and water, strong astrigency flavor. According to last scientific research, contents in green tea have many functions which other kinds of tea do not have such as anti-caducity, anti-cancer, sterlization and inflammation diminishing. Generally, green tea is divided into roasted green tea, baked...