Tea knowledge｜What kind of tea is Bantianyao?
What kind of tea is "Bantianyao"?
This tea is more than just demon
Basic information :Bantian Yao, formerly known as Bantian Harrier, is one of the famous tea varieties in Wuyi. It is also called Bantianyao, Bantianyao, and is a tea variety. The mother tree is located halfway up Sanhua Peak, which is generally difficult to reach, so it is named "Half Sky Demon". The waist reflects the geographical environment of the place of origin.
Origin: Wuyi Mountain, Jiulongnesan Sanhuafeng.
Growing environment: Grows in tea gardens among cliffs, especially the gravel soil on the weathered rock surface in typical high open areas.
Morphological characteristics: "Bantianyao" is a late-growing clonal shrub type with dark green leaves, oval leaves, shallow serrations, and thick leaf texture. Suitable for making oolong tea.
Picking and processing: Oolong tea is picked according to the standard of "small to medium-open face" fresh leaves, usually in mid-May, and should not be picked too young or too old.
The story of "Half-Tian Demon".
It is said that the abbot of Tianxin Yongle Zen Temple had a dream one day. He dreamed of a white harrier with a shining gem in its mouth, being chased by a giant eagle and then carrying the gem. Falling on the mountainside of Sanhua Peak. In order to prove the validity of the dream, the abbot sent a young monk to the peak to search. The little monk went through all kinds of troubles and finally found a green tea seed on a protruding cliff halfway up the Sanhua Peak. The tea seed had begun to sprout and grow roots. The little monk carefully picked it up and took it back to the temple. To the abbot.
The abbot cultivated the tea seeds himself, and when they grew to more than a foot high, the young monk transplanted them up. Because the abbot believed that the tea seeds were given by chickens on the mountainside of Sanhua Peak and could not be taken by force, and they resembled a tea plant in the sky, they named it "Bantian Harrier". Because "harrier" and "waist" have the same pronunciation, and because it grows on the mountainside, it became "half-sky waist" over time.
The production process of "Half-Tian Demon".
1. Picking green, 2. Withering, 3. Making green, 4. Killing, 5. Rolling, 6. Carbon cultivation.
Quality characteristics of finished tea
Dry tea: tight strings and dark color.
Soup color: orange-red and bright, with obvious rock charm.
Leaf bottom: The bottom of the leaf is evenly bright with obvious red edges.
How to store it.
Store at room temperature, sealed, dry and protected from light.
If you plan to store the tea for more than two years or longer, you can customize a covered tin tube (or other container of suitable material) to cover the tea to be stored in an airtight and odorless bag. Put the bag directly into the container, then shake it gently to let the tea leaves fall; then slowly compact it. The purpose is to drive away the air between the tea leaves as much as possible. After this is done, just add the lid. Under normal circumstances, it can be stored for 8-10 years or more.
How to brew it? How to brew it well.
Recommended container: covered bowl
Tea to water ratio: 1:20-25
Water temperature: boiling water
Soaking time: according to personal taste preference , the first time is 3 seconds--5 seconds, the secondThe second time is 5 seconds - 10 seconds, the third time is 10 seconds - 20 seconds is more suitable, and then gradually double the length, try to keep the color of the soup consistent with the third brew, high-quality Wuyi rock tea can be brewed more than eight times. Tips: When brewing, you can put the first tea soup aside temporarily and wait until the tea soup has brewed for about 6-7 times before drinking. The tea soup after being naturally cooled has an extremely full and smooth taste, showing the soul and essence of rock tea. It is commonly known as the "resurrection soup".
How to use sawdust to grow dendrobium flowers
The saw blade material is a metal cutting band saw blade made of low alloy spring steel.
1. The material characteristics of bimetal band saw blades are bimetallic structures:
B318 back material, high fatigue resistance; M42 tooth material, 8% cobalt content, tooth hardness HRC67 -69.
2. The main advantages of bimetallic band saw blades are:
1. High wear resistance and high red hardness.
2. The saw teeth are not easy to break.
3. Long service life.
Extended information:
Notes on band saw blades:
1. Choose a high-quality band saw machine and operate it correctly. Adjusting the machine tool is the most important factor in ensuring the service life of the band saw blade. Good machine tool rigidity and working performance can prevent vibration and various stresses from having a huge impact on the band saw blade.
2. Correctly choose the band saw blade you will use. No one band saw blade is suitable for all sawing requirements, and various saw blades with different shapes and features have different functions. This choice includes the appropriate blade width, tooth shape and tooth pitch.
3. Use sawing parameters correctly, which mainly include saw belt linear speed, feed amount, saw belt tension, etc. The ideal chips when sawing materials should be tightly curled, silver, and have a warm feel.
4. The correct use of cutting fluid and its mixture can lubricate and cool the band saw blade, and promptly clean off the attachments on the saw teeth.
5. Correctly "run in" the new band saw blade. "Running in" is to remove the tooth edge burrs through the natural wear of the saw teeth, so that the band saw blade gradually enters the normal sawing state to avoid premature sawing. Chipping and curling edges.
Baidu Encyclopedia-Bandsaw Blade
Baidu Encyclopedia-Bimetal Bandsaw Blade
It is recommended that sawdust be decomposed and then mixed with weathered stone at a ratio of 1:1 Or a 1:1.5 mixed planting.
Dendrobium officinale, also known as Wan Zhangxu, is recorded in "Shen Nong's Materia Medica" and is listed as top grade. Dendrobium is a perennial herbaceous plant that grows in tropical and subtropical primeval forests and similar warm and humid environments. It often grows on large tree trunks or rocks. It has good effects on anti-tumor, improving human immunity, treating gastrointestinal diseases, anti-aging, antioxidant, anti-platelet aggregation, lowering blood sugar and treating cataracts. Dendrobium officinale flowers are flowers produced by Dendrobium officinale. They are most luxuriant from May to July and are very beautiful. Dendrobium nobile flowers are produced by Dendrobium nobileknotted flowers.
Laoyanshan Dendrobium officinale is produced in Yandang Mountain, Zhejiang. It is a rare and endangered plant protected by the Chinese state. It is also known as the "Nine Great Immortals" together with snow lotus, ginseng, cordyceps and other precious Chinese medicinal materials. In the plant world, it is called "Pharmaceutical Panda" and it is a perennial herb. The stems are clustered, with the upper part slightly flat and slightly curved and rising; the leaves are nearly leathery, oblong or oblong, with or without leaves during the flowering period. There are 1 to 4 flowers in the raceme; the flowers are large and pendulous, the tepals are white with light purple, and the apex is purple; the lip is obovate and oblong; the capsule blooms from April to June. Its stems can be used as medicine and have the effects of nourishing yin, clearing away heat, producing body fluids and quenching thirst. It is used for the effects of heat disease, body fluid damage, thirst, dry tongue, and deficiency of heat after illness.
Characteristics of Dendrobium Flowers of Various Varieties
The flowers of Dendrobium officinale are pale yellow in color and have six petals in total. The most significant effect is to relieve depression - its odor is fragrant, its taste is light and clear, and it is good for Shuda, "light and smooth, good at moving up the focus", gentle and nourishing to the stomach, can relieve depression. The dendrobium flowers in Laoyan Mountain are indeed beautiful. The plant is composed of fleshy stems, as thick as the middle finger, with stick-shaped clusters and leaves like bamboo leaves, which grow on both sides of the stem nodes. The scapes are drawn out from the leaf axils, and each scape has seven or eight flowers, sometimes more than 20. They are in the form of a raceme, with each flower having 6 petals, spreading out on all sides, and the middle lip is slightly rounded. The color is yellow and orange, and the shape resembles the sun, so it is also called sun flower. The new variety named by the former French President "Pompidou" is the most valuable. It is characterized by its large flower shape, bright purple petals, and velvet-like texture, which makes people mistakenly think it is a fake flower. It is very popular in the international flower market.
Dendrobium nobile is a herbaceous plant. The stems are clustered, the upper part is slightly flat and slightly curved and rising, 10-60cm high, up to 1.3cm thick, fluted, the nodes are slightly thick, and the base is narrowed. The leaves are nearly leathery, oblong or oblong, 6 to 12 cm long, 1 to 3 cm wide, with rounded apex and leaves or no leaves during the flowering period. There are 1 to 4 flowers in Dendrobium nobile racemes; the flowers are large, pendulous, with a diameter of 8cm, the tepals are white with light purple, and the apex is purple-red; the labium is obovate and oblong, 4 to 4.5cm long. 3~3.5cm wide, rounded apex, purple spots on the lip disc; anther chamber, pollen mass. Capsule, flowering period from April to June.
The effects of Dendrobium officinale flowers from a modern point of view, Dendrobium officinale flowers contain a variety of volatile oils, which are volatile and can refresh and relieve depression, help relieve mental stress, keep the mind clear, and relieve mental depression. It can calm irritable emotions, so it is especially suitable for people with symptoms of mental insomnia, heat discomfort, restlessness, high work pressure, etc., or it can be used to nourish the skin and clear the mind.
Dendrobium officinale flowers have very high medicinal value. They can nourish yin and moisturize the lungs, nourish the stomach and promote fluid production, improve eyesight and clear away heat. It has the effects of enhancing immunity and anti-aging. It is good for respiratory diseases, diabetes, It is beneficial for chronic hepatitis, chronic gastritis, etc.
What is more worth mentioning is that the most significant effect of Dendrobium officinale is to relieve depression. Dendrobium flowers contain a variety of volatile oils, which are volatile and can make people feel cheerful. They can also relieve symptoms such as mental stress, fatigue, irritability, and depression. People have high work pressure, many social activities, and irregular eating habits, coupled with the increasingly hot weather, people are prone to irritability, depression, fatigue, difficulty in defecation, and poor complexion. Therefore, drinking dendrobium flowers soaked in water not only tastes the best, but also has the strongest health care effects.