Last Updated on 06/22/2020 by Desmond
Green tea is the first tea beverage in human history, origin in China. Make from the leaves picked from the tea plant(Camellia sinensis), steep with hot water(or cool water) for a few minutes, then ready to drink. The drink color after steeping is light-green, so it called Green Tea.
In green tea processing, most of the nutrients are kept because there are no-fermented. Also due to the less processing, most green tea has retained the flavor of plants, fresh but astringent.
Green Tea Processing Technique
Preliminary process after tea leaves picked. The oxidative enzyme in tea was destroyed or inhibited by heating to slow down the oxidation rate. Keep the original green color of tea leaves, and reduce the moisture in the tea leaves to make them soft.
The shape of the tea leaves is changed by rolling, reduced its volume, and the organization structure of the tea leaves is further changed.
Through baking or frying, the water content of tea leaves can be further reduced to an ideal level, make it easy to storage.
More details on How Is Green Tea Processed
A powerful antioxidant, the main nutrient fact in green tea. Most of the benefits of green tea can be attributed to the antioxidant properties of the tea polyphenols. The tea polyphenols found in green tea in the form of various flavonoids (such as catechins, tannins, etc.).
Caffeine, an alkaloid found in green tea, it makes green tea tastes slightly astringent. And caffeine has many effects on the human body, both beneficial and harmful.
The benefit is, it stimulates the nerves and improves the mental state. Affect and promote digestion, help on losing weight.
The side effect of caffeine mainly may cause insomnia and the obvious addiction tendency.
Green tea contains a variety of vitamins, although the processing and brewing process will cause a certain loss, there still are small amount can be absorbed by the human body. The main vitamins in green tea include vitamin C, vitamin E, β-carotene and some B vitamins.
As same as vitamins, minerals are not produced or synthesized by the body itself. They are important substances for the maintenance of human physiological functions. Green tea is rich in Fe, K, P, Mg, and a small amount of Mn, Cu, Zn and other trace elements, which plays an important role in keeping health.
Green tea contains theanine, an amino acid, which gives it its unique flavor. Theanine also has a synergistic effect with caffeine to relieve stress.
Green Tea Benefits
The research showed that the synergistic effect of caffeine and catechins in green tea can speed up fat burning and play a role in weight loss. At the same time, the stimulation of caffeine to intestines and stomach can promote digestive, it’s good for your weight loss plan.
Managing Mental State
The caffeine in green tea can stimulate the nerves and make people feel refreshed. Having green tea moderately can relieve fatigue.
The polyphenols in green tea are powerful antioxidants, which against artery aging and also have a certain anti-inflammatory effect. Bring great benefits for anti-aging and heart disease prevention.
China is the origin of green tea, also the largest exporter and consumer country.
In China, the variety of green tea is mainly divided according to the origin province, the taste and drinking habits of green tea in each area are also different, developed various tea cultures.
In the green tea market, mainly sales loose leaf green tea, tea bags are considered to be a low-grade way to have tea.
Japan used to be influenced by Chinese culture in its history, so green tea is popular in Japan. Japan also is one of the largest exporter and consumer country of green tea. In was different from China, the Japanese use a steaming way on green tea processing, make it less fermented. And the Japanese prefer to brew green tea with warm water, a lower temperature can keep more nutrients in green tea.
In Japan, the most common green tea is matcha, and the tea culture developed into “Sado”, which emblem the universal philosophical thought of the Japanese.
Main Types Of Green Tea
Chinese Green Tea
|Lu’an Melon Seed|
Japanese Green Tea