22 Facts About Green tea

Green tea is a type of tea that is made from Camellia sinensis leaves and buds that have not undergone the same withering and oxidation process which is used to make oolong teas and black teas.

Green tea originated in China, and since then its production and manufacture has spread to other countries in East Asia.

Several varieties of green tea exist, which differ substantially based on the variety of C sinensis used, growing conditions, horticultural methods, production processing, and time of harvest.

Two main components unique to green tea are "catechins" and "theanine, " and the health effects of these components are attracting a great deal of attention in Japan and abroad.

Polyphenols found in green tea include epigallocatechin gallate, epicatechin gallate, epicatechins and flavanols, which are under laboratory research for their potential effects in vivo.

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In 2011, a panel of scientists published a report on the claims for health effects at the request of the European Commission: in general they found that the claims made for green tea were not supported by sufficient scientific evidence.

However, Green tea interferes with the chemotherapy drug bortezomib and other boronic acid-based proteasome inhibitors, and should be avoided by people taking these medications.

Green tea consumption lowers fasting blood sugar but in clinical studies the beverage's effect on hemoglobin A1c and fasting insulin levels was inconsistent.

Excessive consumption of green tea extract has been associated with hepatotoxicity and liver failure.

Green tea is processed and grown in a variety of ways, depending on the type of green tea desired.

The green tea plants are grown in rows that are pruned to produce shoots in a regular manner, and in general are harvested three times per year.

Green tea is processed after picking using either artisanal or modern methods.

Loose leaf green tea has been the most popular form of tea in China since at least the Southern Song dynasty.

Green tea is the most widely produced form of tea in China, with 1.

Oldest Green tea-producing region in Japan is Uji, located near the former capital of Kyoto.

All commercial tea produced in Japan today is green tea, though for a brief period black tea was produced in the late 19th and early 20th centuries.

Japanese Green tea production is heavily mechanized, and is characterized by the use of modern technology and processes to improve yields and reduce labour.

However, it is a widely held view that systematic planting of Green tea bushes began with the introduction of Chinese Green tea culture by the Buddhist monks around the 4th century.

Green tea was commonly offered to Buddha, as well as to the spirits of deceased ancestors.

Tea culture continued to prosper during the Goryeo Dynasty, with the Green tea offering being a part of the biggest national ceremonies and Green tea towns were formed around temples.

Green tea is not as popular as coffee or other types of Korean teas in modern South Korea.

Korean green tea can be classified into various types based on several different factors.