What is the function of green tea?
Green tea, also called unfermented tea. Tea is made from proper tea shoots through typical technological processes, such as enzyme fixation, rolling and drying. Its dry tea color, brewed tea soup and leaf bottom are mainly green, hence the name. The characteristic of green tea is that it retains more natural substances in fresh leaves. Among them, tea polyphenols and caffeine retain more than 85% of fresh leaves and about 50% of chlorophyll, and the loss of vitamins is less, thus forming the characteristics of green tea, such as clear soup color, green leaves color and strong taste convergence. The most scientific research results show that the natural substances in green tea have special effects of anti-aging, anti-cancer, sterilization and anti-inflammation, which are beyond the reach of other teas. Among the green teas in China, the appearance is the most famous, which is not only rich in fragrance, long in taste, excellent in quality, but also unique in shape and has high artistic appreciation value. According to the different methods of drying and enzyme fixation, green tea is generally divided into frying, baking, drying and steaming. Stir-fried green tea: Due to the different mechanical or manual forces in the drying process, the finished tea forms different shapes such as long strip, round bead, flat fan, needle and spiral, so it is divided into long stir-fried, round stir-fried and flat stir-fried. Long-fried but refined, it is called eyebrow tea. The finished products have different colors, such as Zhenmei, Gong, Yucha, Needle Mei, Xiumei, etc., each with different quality characteristics. Ruzhenmei: The rope is tight and straight or looks like a lady's girl. The color is blue and cream, the aroma is high and fresh, the taste is strong and refreshing, and the soup color and leaf bottom are slightly yellow and bright; Gong Xi: This is a kind of round tea in fried green tea, which is called Gong Xi after refining. The shape particles are similar to bamboo tea, and the bottom of round leaves is tender and even; Rain tea: originally a long tea separated from pearl tea, now rain tea is mostly obtained from eyebrow tea, with short and tight shape, even green color, pure aroma, rich taste, yellow-green soup color and tender and even leaf bottom; Round fried green: Round and compact in appearance. Due to different producing areas and processing methods, it can be divided into flat fried green, Quangang Bai Hui and Yongxi Huo Qing. Flat fried green: produced in Shengxian, Xinchang, Shangyu and other counties in Zhejiang. Historically, coarse tea was refined in Pingshui Town, Shaoxing, and the finished tea was round and firm as pearls, so it was called "Pingshuizhu Tea" or "Pingshui Tea", while coarse Chaze was called Pingchao Tea. Fried green: due to different origin and preparation methods, it is mainly divided into Longjing, Qiqiang and Dafang. Longjing: produced in Xihu District, Hangzhou, also known as West Lake Longjing. Picking fresh leaves is exquisite, and the buds and leaves are required to bloom evenly. Senior Longjing is particularly fine in workmanship, with "green color and fragrant smell". Sweet taste and beautiful shape. Flag gun: produced in the surrounding area of Longjing tea area in Hangzhou and adjacent counties such as Yuhang, Fuyang and Xiaoshan. Dafang: produced in Shexian County, Anhui Province and adjacent areas of Lin 'an and Chun 'an, Zhejiang Province, with Laozhu Dafang being the most famous. In roasted green tea, it is also called special roasted green tea because of its different tea making methods. In order to keep the leaf shape intact, the last process is often drying. Its tea products include Dongting Biluochun and Nanjing Yuhua Tea. Gold medal Huiming, Gao Qiao Yinfeng, Shaoshan Shao Feng, Anhua Song Zhen. Guzhang Maojian tea, Jianghua Maojian tea, Dayong Maojian tea, Xinyang Maojian tea, Guiping Xishan tea, Lushan cloud and so on. Here only two products are briefly introduced, such as Biluochun in Dongting: Biluofeng in Dongting Mountain, located in Taihu Lake, Wuxian County, Jiangsu Province, has the best quality. The shape of the rope is slender, even, curled like a snail, revealing white hair, and the color is silver green, hidden and smooth; The essence is fragrant and lasting, the soup is light green and clear, and the taste is fresh and sweet; The leaves are tender, soft, even and bright. Gold Award Huiming: Produced in Yunhe County, Zhejiang Province. It was named after 19 15 won a gold medal at the Panama World Expo. The appearance is thin and uniform, the seedlings are tender and the color is green. Endogenous fragrance is high and lasting, with fragrant flowers and fruits, clear soup color, sweet and refreshing taste and light green leaves. Baking green tea: drying in a baking cage. Most of the roasted green tea, after reprocessing and refining, is used as the tea blank for smoking scented tea. The aroma is generally not as high as that of fried green tea, and a few fried green teas have excellent quality. According to its shape, it can also be divided into strip tea, pointed tea, slice tea and needle tea. Bar baking is produced in the main tea-producing areas in China; Pointed tea and flake tea are mainly produced in Anhui, Zhejiang and other provinces and cities. Among them, the characteristic green baking mainly includes Huangshan Mao Feng, Taiping Monkey Kui, Luan Guapian, Jingting Green Snow, Tianshan Green Tea and ancient Zhuzi bamboo shoots. Jiangshan Green Peony, Emei Mao Feng, Jinshui Cuifeng, Zhouxiabi Peak, Nannuo Bai Hao and so on. Such as Huangshan Mao Feng: produced in Nennen County, Huangshan, Anhui Province. The appearance is tender, smooth and slightly curly, the buds are fat and even, and the edges are sharp. Shaped like a "sparrow tongue", it is golden and shiny, commonly known as ivory. The aroma is fresh and long, the soup color is clear, the taste is mellow and fresh, and the leaves at the bottom of the leaves are blooming, rich and bright. Sun-dried green tea: It is sun-dried. Mainly distributed in Hunan and Hubei. Guangdong. Guangxi, Sichuan, Yunnan and Guizhou provinces have a small amount of production. The quality of sun-cured green tea is the best in Yunnan, which is called "Dianqing". Others, such as Qing Chuan, Qian Qing, Guiqing and Eqing, have their own merits, but they are not as good as Yunnan.