Distinguish between true and false tea. The new tea leaves are light green, the old tea leaves are dark green, the leaf edges are serrated, there are 16 to 32 pairs of teeth, the tip of the leaves is concave, the tender stems are oblate, the back of the leaves has white fluff, the appearance is compact and thin, the tender tea leaves are ribbed, the color is yellow-green, clean and uniform, and the flowers are dry and yellow-white; Fake tea leaves, without the above obvious characteristics, are dry and stagnant in color. Judging from the water color, the color of the leaf bottom is neither as bright as black tea nor as green as green tea.
Second burn. Take some tea leaves and light them with fire. Real tea leaves are rich and fragrant. You can smell tea by crushing the ashes with your fingers. Fake tea leaves smell but have no tea fragrance. It is best to compare the genuine tea with the tea to be identified at the same time.
Three bubbles. Take a handful of tea leaves to be identified and a handful of real tea leaves, brew them with boiling water twice respectively, open the soup and look carefully. Each soaking 10 minute. After the leaves are fully soaked, put them into two white porcelain plates, and carefully observe the characteristics of leaf shape, vein and sawtooth. True tea leaves have obvious reticular veins, with the main vein pointing straight to the top and the lateral vein reaching 2/3 of the leaf margin and then bending upwards to form an arc with the upper branches. There are white hairs on the back of the leaves, the serrations on the leaf margin are obvious, and the serrations at the base are sparse. The veins of fake tea leaves are not obvious. Generally, the lateral veins point to the edge, some have white hairs on both sides, and the leaves have obvious serrations or coarse serrations.
Types of tea black tea
It is refined by taking tea buds and tea leaves as the main raw materials through typical technological processes such as withering, rolling (cutting), fermentation and drying. Black tea is named for its dry brown color and red tea soup. The main varieties of black tea are Qi Hong, Chuanhong, Quanchengqing, Hong Ying, Yue Hong, Dianhong, Quanchenghong and Su Hong, among which Qimen black tea is the most famous and protected by the state. Black tea helps digestion, warms the stomach, refreshes and eliminates fatigue. It also has anti-aging and certain anticancer effects. However, women during menstruation, pregnancy and menopause, as well as stone patients with neurasthenia and easy to get angry, should not drink black tea.
green tea
Green tea is a kind of tea made from new leaves or buds of tea trees without fermentation and drying. The finished brewed tea retains the green essence of new tea. There are many kinds of green tea: Taiping Monkey Kui, Xinyang Maojian, Huangshan Mao Feng, West Lake Longjing, Biluochun, Yuhua Tea and so on. ? Green tea has the special effects of anti-aging, anti-cancer, sterilization and anti-inflammation, which is incomparable to fermented tea. Drinking green tea regularly can prevent cancer, reduce blood fat and lose weight. Smokers can reduce the harm of nicotine. Patients with hypertension, people who eat too much greasy food and have difficulty urinating can drink green tea. But neurasthenia is not suitable for drinking green tea.
Yellow tea
What are the characteristics of yellow tea? Yellow leaf yellow tea? The reason is that the leaves turn yellow due to insufficient drying after fixation and rolling. Yellow tea can be divided into three categories: yellow bud tea, yellow tea and yellow tea, among which the famous ones are: Junshan Yinzhen, Mengding Huangya, Beigang Maojian, Luyuan Maojian, Huoshan Huangya tea, Jiangwei Baimajian tea, Wenzhou Tanghuang tea, Wanxi Huang Da tea, Guangdong Dayeqing tea and Haima tribute tea. Among them, Junshan Yinzhen and Huoshan Huangya are outstanding representatives of yellow tea. Yellow tea is good for the spleen and stomach, helps digestion and is beneficial to fat metabolism.
Dark tea
The tea-making technology of black tea generally includes four processes: enzyme fixation, rolling, fermentation and drying. Because the raw materials used are coarse and old tea raw materials, we can see that the color of the finished product is obviously black. The main categories are Hunan black tea (Fu tea), yunnan black tea (Pu 'er tea), Ya 'an Tibetan tea (the originator of black tea), Guangxi Liubao tea, Shaanxi black tea (Fu tea) and Hubei old black tea. Commonly known as the black five categories. The varieties of black tea can be divided into three categories: pressed tea, bulk tea and flower rolls. The pressed tea is brick tea, mainly including fu brick, flower brick, black brick brick and blue brick tea, commonly known as four bricks. There are three kinds of bulk tea: Tian Jian, Gong Jian and Fried, collectively referred to as Three Fried, and there are twelve, one hundred and two thousand rolls of tea. Black tea can lower blood sugar, prevent diabetes, resist aging and prolong life.
white tea
White tea belongs to micro-fermented tea. The basic processes in the production process include withering, baking (or drying in the shade), picking and reheating, among which withering is an important process to form white tea, because it is covered with hair and has needles like Yin Xue. This kind of tea is clear in yellow and green, and it tastes light and sweet. The finished tea is white in appearance, hence the name white tea. The main producing areas are Fuding, Zhenghe, Songxi, Jianyang and Anji in Zhejiang. The main varieties are: Bai Mudan, Gongmei and Shoumei. The main functions are: protecting the liver, promoting blood sugar balance, heatstroke prevention and cooling.
oolong
Green tea is a kind of tea with excellent quality, which is made by the processes of enzyme fixation, withering, shaking, semi-fermentation, baking and so on. The types of green tea are: Tieguanyin, Huang Dan (Huang Jingui), Benshan, Eriocheir sinensis, Meizhan, Daye Oolong, Wuyi Rock Tea, Frozen Top Oolong, Narcissus, Dahongpao, Cinnamon, Lan Qi, Phoenix Danshen, Phoenix Narcissus, Lingtou Danshen and Sezhong. There are two main categories: Wuyi rock tea and Anxi green tea. The representative work of Wuyi Rock Tea is Dahongpao, and the representative work of Anxi Green Tea is Anxi Tieguanyin (not to mention Taiwan Province and other places). Green tea has the following functions: reducing blood fat, resisting aging and losing weight. Because of these effects: don't drink on an empty stomach, don't drink before going to bed (refreshing with tea polyphenols), and don't drink cold.
Efficacy and function of Pu 'er raw tea 1. Lose weight and improve metabolism.
A cup of Pu 'er tea after each meal can effectively stimulate your metabolism, accelerate fat decomposition and accelerate energy consumption.
At the same time, catechins in Pu 'er tea can inhibit the formation of cholesterol and reduce blood lipids, thus achieving the effect of losing weight.
Once, an elderly Malaysian with obesity and hypertension was introduced to Pu 'er. Teacher Guo Zijian recommended a 7542 raw tea cake, with middle age of 0 1. After drinking raw Pu 'er tea for a month, the old man's "beer belly" has obviously become smaller, and the symptoms of hypertension have also been alleviated. Later, although I was far away in a foreign country, I always placed an order in Teacher Guo's Taobao shop and became good friends.
2. Clean intestines and treat constipation
Untransformed raw tea, like green tea, has more active ingredients and can clear the intestines. Constipated friends can drink a cup of Pu 'er raw tea after meals every day.
3. Lowering blood pressure and resisting arteriosclerosis
Drinking Pu 'er raw tea can help people relax blood vessels, lower blood pressure and slow heart rate, so it has a good therapeutic effect on patients with hypertension and cerebral arteriosclerosis.
4. Anti-aging
Catechin has anti-aging effect. Pu 'er raw tea contains more catechins, and its anti-aging effect is better than other teas. Female friends who love beauty can drink a cup of Pu 'er tea every day. The anti-aging effect is not grape seed oil!
5. Improve human immunity