Green tea

Green tea, Camellia sinensis , a shrub or small tree plant of the Camellia family . Green tea has a natural shape and bright green color. It is made from the new leaves or buds of the tea tree through processes such as curing, shaping and drying. It retains the natural substances of the fresh leaves; tea leaves Pointed and thin, smooth surface; white flowers, smaller, polygonal; flowering period from October to February of the following year. Green tea is named after its dry tea is green, the brewed tea soup is green, and the bottom of the leaves is emerald green.

Green tea is native to China and is widely distributed in Henan , Guizhou , Zhejiang and other places in China . It is also distributed in Japan , Thailand , North Korea , South Korea and other countries . Green tea likes a moist and warm environment and is intolerant to sunlight, high temperature and moisture. Fertile, loose and slightly acidic soil is suitable for planting. The propagation methods of green tea mainly include sowing propagation and cutting propagation , and cutting propagation is generally used.

" Lei Gongpao Pharmaceutical Properties " records green tea: "Green tea is slightly cold in nature, bitter and sweet in taste." Green tea has astringent, diuretic, and refreshing effects, and is used to treat fatigue, sleepiness, headache, dizziness, polydipsia, and difficulty in urination. , alcoholism and other diseases. Green tea is the earliest tea in Chinese history and has a long production history. During the Tang Dynasty, the steamed green tea method was popular in China, which was later introduced to Japan and adopted by many countries. During the Ming Dynasty, fried green tea was invented. Making green tea. Green tea has a high aroma, long taste, excellent quality, and unique shape, which has high artistic appreciation value. Green tea is the tea with the highest output in China, the most abundant varieties and the most famous teas, and has rich economic value .

brewing method

There are two methods for brewing green tea: one is the upward pouring method, which is suitable for high-end and famous green tea with a tight shape. That is, hot water of 75-85 degrees Celsius is first poured into the cup. The second is the pouring method. Put the tea leaves first and then directly pour hot water of about 85 degrees, which is suitable for ordinary green tea.

Brewing green tea correctly can make it taste better and make it healthier. There are certain things to pay attention to when making tea, especially the water temperature.

General green tea brewing methods and precautions:

1.

When brewing green tea, the water temperature should be controlled at around 80°C to 90°C. If you are brewing green tea powder, just brew it with warm boiled water between 40℃ and 60℃. The serving size is 2 grams of green tea powder with 450 ml of boiled water.

2.

Don’t drink the first brew of tea. Shake it with hot water and then pour it away.

3.

Green tea powder should not be brewed too thickly, otherwise it will affect the secretion of gastric juice. It is best not to drink it on an empty stomach.

value efficacy

Green tea is known as the "national drink". A large number of modern scientific studies have confirmed that tea does contain biochemical ingredients that are closely related to human health. Tea not only has the functions of refreshing and clearing the mind, clearing away heat and relieving summer heat, digesting and resolving phlegm, removing greasiness and losing weight, clearing the mind and removing troubles, detoxifying and sobering up, producing body fluids and quenching thirst, and reducing fire and brightening . It has pharmacological effects such as curing eyes, stopping dysentery and removing dampness, and also has certain pharmacological effects on modern diseases, such as radiation sickness , cardiovascular and cerebrovascular diseases, cancer and other diseases. The main components of tea with pharmacological effects are tea polyphenols, caffeine, lipopolysaccharide, theanine, etc. The specific functions are: anti-aging , disease suppression , anti-carcinogen , anti-viral bacteria , beauty and skin care , refreshing and refreshing , diuretic and fatigue relief, fatigue relief , tooth protection and eyesight improvement , and lipid lowering .

people suitble

1. Suitable for those with high blood pressure , hyperlipidemia , coronary heart disease , arteriosclerosis , diabetes , those who eat too much greasy food, and those who are drunk.
2. It is also suitable for people who smoke and drink too much for a long time, have fever, thirst, headache, dizziness, difficulty urinating, and eat too much milk food.

Taboo about drinking tea

1. It is taboo to drink tea for the first time: Because tea is contaminated by pesticides and other harmful substances during cultivation and processing, there is always a certain amount of residue on the surface of tea leaves.
2. Avoid drinking tea on an empty stomach: Drinking tea on an empty stomach can dilute gastric juice and reduce digestive function, causing a large amount of undesirable ingredients in the tea to enter the blood, causing symptoms such as dizziness, palpitation, and weakness in limbs.
3. Drink less new tea: Because new tea has a short storage time, it contains more unoxidized polyphenols, aldehydes, alcohols and other substances, which have a strong stimulating effect on human gastrointestinal mucosa and can easily induce stomach problems. You should avoid drinking new tea that has been stored for less than half a month.
4. People with cold stomach should not drink too much, as excessive drinking will cause gastrointestinal discomfort. People with neurasthenia and those with insomnia should not drink tea before going to bed. Women who are breastfeeding should also drink less tea. Tea has a convergent effect on milk.
5. Avoid taking medicine with green tea and avoid drinking overnight tea. The tannic acid in green tea will combine with many drugs to form precipitation, hindering absorption and affecting drug efficacy.