Category Archives: Tea

Bergamot and Earl Grey Tea

Posted on September 4, 2024 by Robert Barrington

The bergamot orange (Citrus bergamia) is a citrus fruit that is used in aromatherapy as an anxiolytic and calmative agent. The rind of the orange is used to produce bergamot tea, which is black tea with added bergamot. Bergamot has … Continue reading →

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How do Green Tea Catechins Cause Weight Loss?

Posted on September 2, 2024 by Robert Barrington

Green tea is a drink that is associated with weight loss in humans and animals. This weight loss is often attributed to the caffeine present in tea, and this may be a significant factor. However, green tea is also rich … Continue reading →

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Tea and Weight Loss

Posted on August 28, 2024 by Robert Barrington

Tea (Camellia sinensis) is known to have a number of health effects that include improvements to both mental and physical parameters. The effects of tea are attributed to a number of chemicals it contains including polyphenolic antioxidants, caffeine and the … Continue reading →

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L-Theanine for Attention deficit hyperactivity Disorder 

Posted on August 26, 2024 by Robert Barrington

L-theanine is an amino acid found in tea. Evidence suggests that it can partially activate the N-methyl-D-aspartate (NMDA) glutamate receptor in humans and animals and that this causes a reduction in excitation in the brain along with a concomitant increase … Continue reading →

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L-Theanine

Posted on August 23, 2024 by Robert Barrington

L-theanine is a non-proteinaceous amino acid that has interesting nutritional properties. One of the most interesting things about L-theanine is that it is only found in tea. The chemical name for L-theanine is γ-ethylamino-L-glutamic, and this gives a clue as … Continue reading →

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The Main Differences Between Tea and Coffee

Posted on May 31, 2024 by Robert Barrington

Tea and coffee are two of the most commonly drunk beverages after water. Both tea and coffee have some interesting health properties, and are quite similar in this respect. However, the chemistry of tea and coffee reflects some of the … Continue reading →

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A Nice Cup of Tea

Posted on May 22, 2024 by Robert Barrington

George Orwell wrote about tea in the Evening Standard in 1946. In this article Orwell made observations about tea that are insightful and interesting. Firstly, Orwell suggested that a “nice cup of tea” really refers to Indian tea. In relation … Continue reading →

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Tea (Camellia sinensis) and Anxiety

Posted on April 18, 2024 by Robert Barrington

Tea (Camellia sinensis) has a large body of research supporting its various health effects. These effects relate to the presence of a number of different phytochemicals within tea including flavonoids, the amino acid L-theanine and a number of methylxanthines including … Continue reading →

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L-Theanine and the Brain

Posted on March 21, 2024 by Robert Barrington

L-theanine (N-ethyl-L-glutamine) is a non-proteinaceous amino acid that is found in high amounts almost exclusively in tea (Camellia sinensis). In fact, L-theanine accounts for around 50 % of the amino acids in tea leaves. L-theanine is structurally similar to glutamic … Continue reading →

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Why Does Tea Create Calmness?

Posted on January 26, 2024 by Robert Barrington

Tea is known to induce a state of calmness and this is verified through both anecdotal and empirical evidence. The reason for this may be sereralfold, but one of the main mechanisms is suggested to be the fact that tea … Continue reading →

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