Illustrious name: Yinzhen

alternate name: "Acupuncture needle"; "Pekoe".

Habitat: Northeast the Chinese Fujian Province's Zhenghe County

Belongs: The white tea, is Bai Ch'azhong valuable thing. Chinese one of ten given names teas.

Dark brown: Bai Juyin, shape as if needle.

Historical fable:

Before the fable is very early, some year, the politics and area the prolonged drought rain, the plague does not rise from all directions, getting sick, dead innumerable. Obstructs on the Donggong in the Eastern cloud which the fog keeps off to have Longjing tea, nearby the Longjing tea steadily several immortals grasses, are rubbing the grass juice to be able to treat all the various illnesses, the grass juice drop in the river , the field , can well up the water leakage to come, therefore must rescue the numerous fellow villagers, only if picks the immortal grass. At that time had very many brave young fellows to seek the immortal grass in abundance, but all had not returns. Some household others, in family  three people, eldest brother famous will just, two elder brother's name is Zhicheng, three younger sisters are called the will jade. Three people decided first looks for the immortal grass by eldest brother, if does not see the person to return, then looks by two elder brother, if does not see, then seeks by three younger sisters. This day, eldest brother remembered just before departure to take the inherited mandarin duck sword, said to the sister-in-law: "If discovered on the sword lives , then was eldest brother was no longer living." On embarked in addition towards the East. Walked 36 day, finally arrived under the Donggong, by now the roadside went out white hair silver to have the grandfather, asked whether he did want to climb mountains picks the immortal grass, the will just answered was, the grandfather said the immortal grass on when the mountain nearby the Longjing tea, might climb mountains only can surely not be able to turn head to front, otherwise did not pick the immortal grass. The will just a tone crawled the halfway up the mountainside, only saw the full mountain quarry stone, the gloomy terror, after death transmitted shouts the cry, he did not give pays attention to, by all means to front, but suddenly listened to shout "you dared upward to rush!" Will just in great surprise, as soon as turns head, turned on a this quarry stone hillock new stone immediately. This day Zhicheng  in the home discovered the sword has lived , knew eldest brother was no longer living. Thereupon Zhicheng takes a tapping bunch of arrow to say to the will jade that, I picked the immortal grass, if the discovery arrow cluster , you on looked for the immortal grass in addition. Zhicheng walked 49 day, also arrived under the Donggong to meet the white hair grandfather, the grandfather similarly tells him to climb mountains time surely could not turn head. When he walks to the quarry stone hillock, suddenly listened after death to remember just shouted that, "The Zhicheng younger brother, quickly rescues me", he is fierce as soon as turns head, also turned a megalith. The will jade in the home discovered the arrow cluster , knew looked for the immortal grass the heavy responsibility finally to fall on own head. After she embarks, on the way also meets the white hair grandfather, similarly tells her surely not to be able to return to the prime speech, also gives her to roast the cake together, remembers the jade to thank the arrow to continue to proceed, arrives the quarry stone hillock, the strange sound rises from all directions, she thinks quickly in emergencies with the cake blocks the ear, is firm does not turn head, finally climbs up the summit to arrive nearby the Longjing tea, put out the arrow to shoot dead the black dragon, picked on the immortal grass the bud leaf, and watered the immortal grass with the well water, the immortal grass blossoms immediately the seed, remembered the jade to pick the seed, descended a mountain immediately. When crosses the quarry stone hillock, she according to grandfather's instruction, the immortal grass bud leaf's juice waterdrop in each stone, the stone turned immediately the person, the will also has just reactivated with Zhicheng. After three people return to home village to plant the seed the full hillside. This kind of immortal grass then is a tea tree, thereupon area this picks the tea tree bud leaf year after year, dries in the sun exposes to the sun the collection, widely spreads, this then is the pekoe acupuncture needle famous tea origin.

Origin:

Top grade "the acupuncture needle white is bold" bud stout and strong, when dry tea the semblance completely throws over the white , color Bai Yinlv rich gloss, stiff like needle, politics and (Emperor Huizong in Song dynasty politics and year county) produces the best quality goods (Song Dynasty already for high quality goods) the stiff like needle, bright flash like silver. Song Dynasty Cai assists has the verse to chant it: "North the park spirit bud world essence, must have cold to enter the spring to live, the dead person is partial to the cloud pancreas to be white, beautiful line remote biography Wang Lvch'ing." The spirit bud describes the acupuncture needle pekoe. Its tea soup fragrance , incites tasty is mellow. The element has in the tea "the beautiful woman", "Chawang" the laudatory name, is one kind of white tea, produces east Fujian the lucky tripod with two handles and the north politics and such as the places. Pekoe acupuncture needle full slope pekoe color Bai Juyin, tall and slender like needle, thus acquires fame. When swells, "Man Chanfu the tea breast", the acupuncture needle stands upright, about interlocks, is extremely artistic; Tang Sehuang bright is limpid, taste delicate fragrance . Bai Ch'awei warm is cool, for is good for the stomach stimulates, dispels wet draws back the heat, often takes for medicinal purposes. It is said this tea has the clear vision to fall the fire the wonderful effect, may govern "the fire sickness", this grows tea is called "the pekoe acupuncture needle".

Pekoe acupuncture needle sense organ quality request

Picks picks the way:

Rarest and the magnificent white tea is this, Yinzhen silver needle. But pekoe acupuncture needle therefore is rare and precious, then comes picks from it picks the way and  the good flavor. Best Yinzhen is picked in March 15 and between April 10 when does not rain with only does not use the bud which the damage and has not opened, however is lower Yinzhen which grades cannot be strict in all these attributes. According to understood, the pekoe acupuncture needle because only spring germinates in the white tea tree first four days to pick picks, a year only can recover a time, also only picks the fresh shoot, therefore quite time-consuming requires a lot of work. But white tea shoot also because weight light, volume small, the average 8 ten thousand shoots can make the existing agreement half kilogram to become the tea, the natural price are high. At the same time, the pekoe acupuncture needle manufacture process does not rub does not fry, has not passed through , therefore has the quite tasty sweet faint flavor, also nowadays scientific research analysis, pekoe acupuncture needle because only picks the bud heart, after any has not rubbed fries or the high temperature disturbance, thus has the rich aminoacid, also the tea polyphenol is also retained by the integrity, therefore has highly effective anti- oxidized the ability.

Tastes and brews:

    This tea best preparation (in about 75 degree Celsius) and causes the light yellow color with following boiling water which one kind slightly glitters to float the reflected light the white hair. The flavor and is fragrant should be fine, light, fresh, with slightly sweet. Soaks compared to other white teas, 5 minutes, is used high usually with the considerable amount tea.

Principal constituent:

 Includes the catechin, the chlorophyll and massive vitamins C and the caffeine, taste warm is cool.

catechin

The catechin is the polyphenolic anti- oxidation plant metabolite, specifically the flavonoid is called flavan 3 ols. Although current in many floristic components, the biggest origin is obtained in person's diet from various tea. The catechin and the table caffeine are epimers, and (+) the catechin is the most common optics isomer is discovered with (-) the table caffeine in the nature. The catechin and plant extract catechu first time is separated , obtains its name from it. The heating catechin through its question decomposition issue catechol, explains these compound name common origins.

   Epigallocatechin and gallocatechin contain an other phenol aldehyde hydroxyl group to work as with the table caffeine comparison and the catechin, respective place, similarly with compared on the pyrogallol difference and the catechol. The catechin gallic acid salt is the catechin gallic acid ester; For example EGCG (epigallocatechin gallate), is together the richest catechin in the tea. Perhaps EGCG otherwise to is the ingredient which knew provides the matter to have the strong anti- oxidized product to help to prevent the cancer and the heart disease Epigallocatechin 3 gallic acid salt is famous.