Huangshan Mao Feng, produced in Anhui Huangshan Scenic Area, is a famous historical tea. Super Huangshan Mao Feng is produced around Yungu Temple, Songgu Temple, Diaoqiao Temple, Ciguang Pavilion and Banshan Temple on both sides of Taohua River at an altitude of1.200m. The bud leaves of Mao Feng in Huangshan Mountain are thick and even, with white hairs exposed and shaped like a sparrow tongue. The finished tea is light green and yellowish in color, pan-ivory, golden in fish leaves, mellow in taste, sweet in aftertaste and resistant to brewing.
According to a recent report in Japan's Yomiuri Shimbun, a lecturer from the Faculty of Medicine of Tohoku University found that people who drink more than two cups of green tea a day are much less likely to suffer from Alzheimer's disease such as cognitive dysfunction than those who drink less than three cups of green tea a week.
From July to August, 2003, Lishan's research team investigated the lifestyle habits of 70-96-year-old men and women in Sendai/Kloc-0, and then tested their cognitive functions such as memory and graphic depiction.
The results show that people who drink more than 2 cups of green tea a day are less likely to suffer from cognitive impairment than those who drink less than 3 cups, and there is not much difference between those who drink more than 4 cups a day. In this regard, the research team believes that drinking 2 cups a day can see the effect. Li Shan, a lecturer, said that in the future, people who don't drink green tea abroad will be investigated and further studied.
Green tea can purify blood vessels and prevent stroke and heart disease.
What effect does green tea have on arteriosclerosis, the root cause of heart disease? The production team did the experiment by themselves. Let men who smoke drink green tea four times a day for two weeks. Comparing the blood samples before and after the experiment, it was found that oxidized low density lipoprotein, a risk factor of arteriosclerosis, decreased, and the adhesion of cells such as SP- selectin, which caused the initial reaction of arteriosclerosis, also decreased.
The important risk factors of arteriosclerosis, oxidized -LDL (oxidized low-density cholesterol) and SP-selection, which caused the initial reaction of arteriosclerosis, also decreased.
The higher these values, the easier it is to have oil droplets on the blood vessel wall, and the end of a blood vessel called thrombus is easy to fall off. Thrombosis flows in blood vessels, blocking the cerebral vessels will lead to a stroke. Everyone knows that smoking can easily cause thrombosis and arteriosclerosis, and green tea can prevent this thrombosis and arteriosclerosis.
The production team visited Dr. Takeshima from Osaka City Hospital in Japan. He observed the effect of green tea on blood circulation. It turns out that people who drink green tea have smoother blood circulation than those who drink coffee, just like removing rust from rusty water pipes, the water flow will be smoother.
Coffee doesn't have this effect because it doesn't contain catechin, the essence of green tea. Catechin is a powerful antioxidant, which not only has anti-cancer effect, but also inhibits vascular aging, thus purifying blood. Green tea contains about 15% catechin, and the antioxidant capacity of catechin is 40~ 100 times that of vitamin C.
Longjing tea is named after Longjing. Longjing is located at the northern foot of Wengjia Mountain in the west of West Lake, which is now Longjing Village. Longjing, formerly known as Longhong, is a round spring pool, which will not dry up in severe drought. It is for this reason that the ancients linked spring with the sea. Among them, Longjing is called Longjing. It is said that Ge Hong was an alchemist here in the Jin Dynasty. There is Longjing Temple in Luohuiwu, about 500 meters away from Longjing, commonly known as the Old Longjing Temple. It was founded in the second year of Ganyou in the Five Dynasties (949), and was originally named "Bao Guo Jian Jing Yuan". It was renamed Shoushengyuan in the Northern Song Dynasty. The Southern Song Dynasty was renamed Guangfuyuan and Yan 'en Yanqing Temple. It was not until the third year of Ming Dynasty (1438) that they moved to the well. Now the temple has been abandoned and used as a teahouse.
Longjing is one of the four famous springs in Hangzhou, with sweet water quality. The water in Longjing Spring consists of groundwater and surface water. The proportion of groundwater is relatively large, so groundwater is below and surface water is above. If you stir the spring water in the well with a stick, the spring water below will turn to the surface and form a watershed. When the local groundwater sinks again, the basin will gradually shrink and eventually disappear, which is very interesting.
Longjing tea is famous at home and abroad. According to the origin, it is divided into lion, dragon, cloud and tiger, namely Lion Peak, Longjing, Yun Qi and Tiger Run. After the Republic of China, the output of meijiawu has been greatly improved. In the past, people ranked Longjing tea according to the different qualities of lion, dragon, cloud, tiger and plum. After liberation, Longjing tea was widely planted in Zhejiang Province with uneven quality. Now it is divided into West Lake Longjing, Qiantang Longjing and Yuezhou Longjing, and West Lake Longjing has the best quality.
The shape and legend of Longjing;
1. In ancient times, there lived an old woman next to Longjing, surrounded by 18 wild tea trees. The road at home is the way for Nanshan farmers to go to West Lake. Pedestrians always want to have a rest when they come here, so the old lady puts a table and several benches at the door, and at the same time makes a pot of tea with wild tea for pedestrians to rest. It was famous for a long time. One winter, when the Spring Festival was approaching, it snowed heavily and the tea trees would freeze to death. Pedestrians still stop at the old lady's door in an endless stream. One of the elders saw the old lady's sad face and asked, "Did the old lady buy new year's goods?" The old lady sighed and said, "Don't say that there is no money to buy new year's goods. Even these tea trees will freeze to death, and there will be no tea to drink next spring." The elder pointed to a broken stone mortar on the side and said, "Here's the baby. Why not sell it to me? " The old lady said, "The older the mortar, the better. It's worthless after washing now. " The old lady said, "Broken mortar is worthless. You should take it away. " The elder took out 10 silver to move the stone mortar, but the old lady refused to accept the money. The elder turned around and disappeared, so the old lady had to accept the money. After the New Year, in the spring of the following year, 18 tea trees showed new tender teeth, which grew better than in previous years. Numerous tea trees grew in places washed with mortar and splashed with water, and the old lady happily applied tea again. This is the origin of Longjing tea.
Second, the flat feature of Longjing tea now is said to have originated from the Qianlong emperor of the Qing Dynasty. According to legend, when Gan Long traveled to Hangzhou, he came to Gong Hu Temple at the foot of Shifeng Mountain in Longjing Village in disguise. The old monk presented the treasure of West Lake Longjing tea-Shifeng Longjing Qinggan Longpin Drink. After drinking, Gan Long felt very fragrant, so he picked the tea himself, put it in his pocket and hurried back to Beijing. After a long time, the tea buds were flattened, but they were greatly appreciated by the Empress Dowager ... The tea tree in front of the Gong Hu Temple was named Imperial Tea by the decree of Qianlong, and it was fried into flat Longjing every year for the Empress Dowager to enjoy. In fact, this is a beautiful legend. It is generally believed that the flat shape of Longjing tea was influenced by Dafang tea production near Anhui in the late Ming and early Qing Dynasties.
The picking of Longjing tea:
The division of spring tea, summer tea and autumn tea is mainly based on the change of seasons and the intermittent growth of new shoots of tea trees. In most tea-producing areas of China, tea tree growth and tea harvesting are seasonal. Usually, tea leaves are divided into three seasons according to the picking time: spring, summer and autumn. However, the division standards are inconsistent. Some solar terms: Qingming to Xiaoman is spring tea, Xiaoman to Xiaoshu is summer tea. Some are divided by time: spring tea is picked before the end of May, and summer tea is picked from early June to early July. The tea of that year picked after July is considered as autumn tea.
1. Generally, the tea picked and made from March to May every year is called spring tea. Spring tea can be divided into tea before the rain, tea before the rain and tea after the rain. "Tea before tomorrow" is the tea picked in Tomb-Sweeping Day before April 5, and it is divided into four grades: super, super, super, super and ordinary. "Tea before rain" is the tea picked after the Qingming Festival and before Grain Rain (before April of February1year), which is divided into two grades: first-class and second-class.
2. Generally, the tea collected from June to July is summer tea.
3. Generally, the tea picked from August to September every year is autumn tea.
Varieties of Longjing tea:
1, population species
Group species is the earliest variety of Longjing tea and the best quality tea at present. Now people often say that the West Lake Longjing tea on Shifeng Mountain is this variety. Generally speaking, the picking time of group species is later than that of other varieties, and it is around Qingming. The planting area of this variety is limited to the West Lake production area, and the area is very limited.
2. Longjing 43
Longjing 43 is a national clonal variety selected from Longjing population by Tea Research Institute of China Academy of Family Sciences. Shrubby, mesophyll, semi-spreading, densely branched. A very early-maturing variety, one bud and one leaf stage in Qingdao area is in the middle and late April. Strong germination ability, high germination density, short, strong and hairy bud leaves. The dry sample of one bud and two leaves of spring tea contains about 3.7% amino acids, tea polyphenols 18.5%, total catechins 12. 1% and caffeine 4.0%. Suitable for making famous flat green tea, such as Que Tongue, Longjing and Yu Ye.
Features: suitable fragrance and concentration, lasting sweetness. Longjing 43 is generally suitable for frying into green version, and the soup is green and bright.
3. Pingyang is very early
Mesophyll, shrub, very early species. Qingdao famous tea was mined in the middle and late April, with high germination density and strong germination ability. Features: Strong aroma is its remarkable feature. Pingyang tea collected in the same period has a better appearance, but a slightly lighter taste.
4. The Giant Buddha Bailongjing
The raw material of the Giant Buddha White Longjing is Anji White Tea. In 2000, Anji white tea was successfully introduced to Anji by tea farmers from Jingping Township, Xinchang, which is mountainous and foggy. In 2002, he was fried into a dragon well by the Longjing tea frying master in this township. In June 2002, the main person in charge of Jingping Township took several tea farmers and samples of white tea fried with Longjing, and found Shen, director of the Tea Research Institute of Chinese Academy of Agricultural Sciences, who was highly praised by this senior tea expert in China. Shen believes that frying Longjing with white tea is a technological breakthrough. Its appearance is smooth, its smell is tender and fragrant, its taste is fresh and refreshing, its leaves are tender and green, and its sensory quality is good. The amino acid content of the tea was 7. 1%。 At Shen's suggestion, the white tea fried in Tongqiaowan Village finally got a resounding name-the Giant Buddha Bailongjing. White tea is suitable for growing in mountainous and foggy areas. Its leaves are oval and light green. In spring, except for the main vein, the tender leaves are all white, especially one bud and two leaves. Later, the leaves matured, the temperature rose, and gradually turned pale green, and it was green in summer and autumn. The amino acid content of fresh leaves of white tea spring buds is generally 6. About 19%, tea polyphenols 10. 7%, caffeine 2.8%, suitable for making green tea. Features: light green color, strong flavor, lower aroma than Pingyang, fresh taste and high nutritional value. It is an ideal health green tea for consumers.
5. Welcome first frost
This variety is an excellent clonal variety of small tree type and intermediate leaf type selected by Hangzhou Tea Research Institute from Fuyun natural hybrid offspring. Early germination, spring bud germination period is generally in early March, and one bud and three Ye Sheng periods are in mid-April; Medium germination density, strong germination ability, long growth period, much hair, yellow-green leaves, strong tenderness, but slightly weak stress resistance. One bud has three leaves, and the hundred buds weigh 45.0 grams. The yield is high, and red and green tea are produced at the same time, which is especially suitable for making famous green tea. Features: Full-bodied, fresh and fragrant.
6. Zhenong 1 17
Clonal varieties with high quality, high yield and early maturity selected by Zhejiang University passed the provincial appraisal in Zhejiang Province in 2002 and were listed as key popularized varieties in Zhejiang Province. Strong tenderness, suitable for making flat and needle-shaped tea, with strong green buds. The germination time is early, and the development time of Qingdao famous tea is in the first ten days of May. It has strong germination ability, strong resistance, especially outstanding cold resistance. The made green tea has a strong and lasting aroma and fresh taste.
7. Zhejiang Agriculture 139
Zhejiang University has cultivated high-quality, high-yield and early-maturing clonal tea varieties, which passed the provincial appraisal in Zhejiang Province in 2002 and were listed as key popularized varieties in Zhejiang Province. The development period of spring tea is about 7 days earlier than that of early Fuding Dabai tea. It is suitable for making famous green tea with high and lasting aroma, fresh and sweet taste and has the characteristics of storage resistance. The unit yield is 27% higher than that of Fuding Dabai tea. The leaves are green and the yield is high. The advantages are good tenderness and strong cold resistance, while the disadvantages are slightly weak disease resistance.
8, black cattle early
This variety matures the fastest. Generally, they germinate as soon as they arrive in beginning of spring, and can be picked in early March in the solar calendar. Because the shape of Wuniu jujube is similar to that of West Lake Longjing, and its output is also very large, in the early stage of spring tea listing, some unscrupulous traders used it to pretend to be West Lake Longjing.
Drinking methods and uses of Longjing.
The newer the new tea, the better. Improper drinking can easily hurt the stomach. Because new tea has just been picked, it has a short storage time and contains more unoxidized polyphenols, aldehydes and alcohols, which has little effect on healthy people. But for patients with poor gastrointestinal function, especially those with chronic gastrointestinal inflammation, these substances will stimulate gastrointestinal mucosa, and people with poor gastrointestinal function are more likely to induce stomach diseases. Therefore, new tea should not be drunk more, and new tea stored for less than half a month should be drunk less or not.
In addition, tea contains more caffeine, active alkaloids and a variety of aromatic substances, which will also excite people's central nervous system. Patients with neurasthenia and cardiovascular and cerebrovascular diseases should drink it in moderation, not before going to bed or on an empty stomach.
Longjing City, Yanbian Korean Autonomous Prefecture, Jilin Province
Longjing City, Yanbian, Jilin Province is located in the east of Jilin Province, facing Huining City and Wencheng County in North Hamgyong Province of North Korea across Tumen River. The whole city covers an area of 259 1 km2, and the border between China and North Korea is143km, with a total population of 270,000, of which Koreans account for 69%, making it the most densely populated city in China.
The city governs 2 streets, 6 towns and 2 townships: Anmin Street, Longmen Street, Kaishantun Town, Chaoyangchuan Town, Laotougou Town, sanhe town, Dongshengyong Town and Zhixin Town; Dexing Township and Baijin Township.
Longjing has superior natural conditions, rich specialty resources and broad development prospects. Coal, metallic minerals and nonmetallic minerals are abundant. There are six categories, 124 families, 1072 species of animals and plants, wild economic plants and precious medicinal plants.
Longjing has convenient traffic conditions. This railway has five trunk lines crossing the territory; There are earthen houses, Songlao and other trunk roads connected to the city highway network; Yanji Airport, which is 0/3.5 km away from Longjing City, has opened flights to Changchun, Shenyang, Dalian, Beijing, Qingdao and Shanghai.
Longjing is an important commodity export base with a long history of foreign trade. Sanhe and Kaishantun are the first-class land open ports in two countries. Sanhe Port is only 87 kilometers away from North Korea's Jinqing Port, and Longjing Port is 227 kilometers away from Luojin Port. It is an ideal passage to enter the Sea of Japan and leave the Pacific Ocean via North Korea.
Longjing has a relatively complete range of industries, and has now formed industrial systems such as machinery, chemical industry, paper making, leather, textile, building materials, food and medicine. There are 202 industrial enterprises in the city, with more than 500 main products. At the same time, Longjing is a national production base for apples and pears, sun-cured tobacco and fine-wool sheep, the hometown of apples and pears in China, and an experimental base for comprehensive agricultural development.
Longjing is rich in tourism resources, including the origin pool of Longjing place names, Song Yiting, 10,000 mu orchard, Hanwang Mountain site, Dacheng Middle School site, Yin Dongzhu's tomb, the former site of Kendo Consulate General, Longshan Korean folk village and many other scenic spots, and has launched a one-day tour of North Korea, a multi-day tour and a sightseeing tour of Changbai Mountain.