THE EFFECT OF TEA AND ITS CONSTITUENT L-THEANINE ON ANXIETY: A REVIEW OF THE LITERATURE By
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منابع مشابه
L-theanine, a natural constituent in tea, and its effect on mental state.
Tea is the most widely consumed beverage in the world after water. Tea is known to be a rich source of flavonoid antioxidants. However tea also contains a unique amino acid, L-theanine that may modulate aspects of brain function in humans. Evidence from human electroencephalograph (EEG) studies show that it has a direct effect on the brain (Juneja et al. Trends in Food Science & Tech 1999;10;19...
متن کاملInfluence of alkylamides of glutamic acid and related compounds on the central nervous system. I. Central depressant effect of theanine.
In 1949, Sakato2) isolated an amino acid, theanine (L-GluNHEt), from Japanese tea leaves and identified it as N-ethylglutamine amide. The presence of L-GluNHEt in other varieties of tea was confirmed by Cartwright, et al.3) And L-GluNHEt has been thought to be a flavourous constituent of tea leaves. On the other hand, caffeine, a central stimulant, has been known to be a pharmacological active ...
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The purpose of the study was to investigate the anxiolytic effects of L-theanine and its potential interaction with the GABAA receptor in Sprague-Dawley rats. L-theanine is a major component of green tea, which has traditionally been used as an herbal remedy in the treatment of many medical conditions, including anxiety. Herbals and supplements and their potential interactions perioperatively a...
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L-Theanine is an amino acid found in the leaf of green tea and its infusion, and is known to control excitement caused by caffeine. It is also known that the oral administration of L-theanine to rats results in a decrease of serotonin and an increase of catecholamine in the brain. L-Theanine had been confirmed to be safe in animal experiments. We found that the oral intake of L-theanine caused ...
متن کاملHealth Benefits of Theanine in Green Tea: A Review
Theanine is an amide exclusively present in tea and some fungi, and is an important bioactive component of tea. The bioactive effects of theanine include antitumour, anti-diabetic, antihypertensive, anti-stress activities, and the ability to improve cardiovascular and cerebrovascular diseases. It also has protective effect on nerve cells against damage induced by environmental neurotoxins as we...
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تاریخ انتشار 2014