The Jinhua Loose Tea is a new type of black tea developed on the basis of the Fuzhuan Tea processing. Compared with the traditional Fuzhuan Tea, it has such characteristics as a higher content of Jinhua fungus, a better taste and a better health care efficacy. With Jinhua Loose Tea as the raw materials, this study compares the colors,fragrance and optical density of the tea beverages made in different extraction conditions so as to explore the best extraction processing for Jinhua Loose Tea beverage. Besides, it studies the impact of three reag...