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Oolong (UK: / ˈ uː l ɒ ŋ /, US: /-l ɔː ŋ /; simplified Chinese: 乌龙茶; traditional Chinese: 烏龍茶; pinyin: wūlóngchá; Pe̍h-ōe-jī: o͘-liông tê, "black dragon" tea) is a traditional semi-oxidized Chinese tea (Camellia sinensis) produced through a process that includes withering the leaves under strong sun and allowing some oxidation to occur before curling and twisting. [1]
Lighter in body and milder in taste than black tea, green tea has about half the caffeine content of its darker counterpart. It’s minimally oxidized and immediately steamed or pan-fired to stop ...
They found that a large amount of GABA accumulated in green tea through six to ten hours in an anaerobic (oxygen-free) chamber filled with nitrogen. They examined further the GABA content of green, oolong and black tea made under such anaerobic conditions and found that GABA accumulated in all teas.
Green tea is a type of tea made from the leaves and buds of the Camellia sinensis that have not undergone the withering and oxidation process that creates oolong teas and black teas. [1] Green tea originated in China in the late 1st millennium BC, and since then its production and manufacture has spread to other countries in East Asia.
A study found that the caffeine content of one gram of black tea ranged from 22 to 28 mg, while the caffeine content of one gram of green tea ranged from 11 to 20 mg, reflecting a significant difference. [58] Tea contains small amounts of theobromine and theophylline, which are xanthines and stimulants, similar to caffeine. [59]
"An 8 oz. cup of coffee can have close to or over 100 mg. of caffeine while the same size cup of green tea might have 50 mg. or less," explains Dr. Neha Pathak, MD, FACP, an Atlanta-based primary ...