GREEN TEA

Green tea is a traditional Chinese tea with a long history, known for its unique production process and rich nutritional value

1、 Basic Information

Chinese name: Green Tea

Boundary: Plant Realm

Door: angiosperm door

Class: dicotyledonous plant class

Category: Theaceae

Family: Theaceae

Genus: Camellia genus

Species: Shrubs or small trees

2、 Morphological features

Green tea has a natural shape, bright green color, pointed and fine tea leaves, and a smooth surface. Its dry tea is green, the brewed tea soup is emerald green, and the leaf base is emerald green. The flowering period of green tea is from October to February of the following year, with white flowers that are small and polygonal in shape.

3、 Growth environment and distribution

Green tea prefers moist and warm environments, but is not tolerant to sunlight, high temperatures, and moisture. It is recommended to plant it in fertile and loose slightly acidic soil. Green tea is native to China and is widely distributed in Henan, Guizhou, Zhejiang, Fujian, Jiangsu, Anhui, and other regions. It is also found in countries such as Japan, Thailand, North Korea, and South Korea. Among them, Fujian Province, Zhejiang Province, Jiangsu Province, and Anhui Province are the main growing areas of green tea in China, and the climate and soil conditions in these areas are very suitable for the growth of green tea.

4、 Production process

The production process of green tea mainly includes three steps: withering, rolling, and drying. Among them, withering is achieved by destroying the enzyme activity in tea leaves at high temperatures to keep them green; Rolling is the process of rolling tea leaves into strips for easy brewing; Drying is the process of removing moisture from tea leaves to keep them in a dry state. According to different drying and withering methods, green tea can be divided into four types: stir fried green tea, roasted green tea, sun dried green tea, and steamed green tea.

5、 Types and Varieties

There are many types of green tea, which can be divided into various varieties according to different production processes and geographical characteristics. For example, Longjing Green Tea, Biluochun Green Tea, Mount Huangshan Maofeng Green Tea, Lushan Yunwu Green Tea and Lu'an Gua Pian Green Tea are all famous green tea varieties in China. In addition, there are green teas with unique qualities such as Enshi Yulu, Xinyang Maojian, and Taiping Houkui.

6、 Quality characteristics

The quality characteristics of green tea are mainly manifested in appearance, color, aroma, taste, and leaf base. Good green tea has a tight appearance, a green and moist color, a high and fresh aroma, a rich and refreshing taste, and tender green leaves at the bottom. When brewed, green tea has a clear and bright tea soup, a lingering aroma, and a refreshing and sweet taste.

7、 Effect and Function

Green tea has various benefits and effects, mainly including the following aspects:

Free radical scavenging: Green tea contains a large amount of tea polyphenols, which have strong antioxidant and physiological activity, and are scavengers of free radicals in the human body.

Antibacterial: The tea polyphenols in green tea have inhibitory effects on pathogenic bacteria and viruses, and have anti-inflammatory and antidiarrheal effects.

Refreshing and invigorating: The caffeine in green tea can stimulate the central nervous system of the human body, enhance the excitability of the cerebral cortex, and thus achieve the effect of refreshing and invigorating the brain.

Diuretic and fatigue relieving: The caffeine in green tea can stimulate the kidneys, promote the rapid excretion of urine from the body, and increase the filtration rate of the kidneys, reducing the retention time of harmful substances in the kidneys.

8、 Drinking taboos

Although green tea has various benefits and effects, not everyone is suitable for drinking. Green tea is cold in nature, causing stomach coldness. Pregnant and postpartum women should avoid drinking green tea during lactation. In addition, excessive consumption of green tea may also lead to discomfort symptoms such as insomnia and palpitations. Therefore, when drinking green tea, it should be consumed in moderation according to one's own situation.