Category Archives: Black Tea

Degradation of Carotenes in Tea Leaves

Posted on November 7, 2019 by Robert Barrington

Tea leaves contains a number of phytochemicals that are degraded during the fermentation step to produce black tea. It has been suggested that these degradation products contribute significantly to the aroma and taste of black tea. A number of studies … Continue reading →

Posted in Black Tea, Carotenoids, Tea | Comments Off on Degradation of Carotenes in Tea Leaves

Carotenoids in Black Tea

Posted on November 6, 2019 by Robert Barrington

Carotenoids are antioxidant pigments found in plants. Like many plants the tea plant (Camellia sinensis) is a good source of carotenoids, and there is evidence that they are bioavailable from brewed green and white tea. Once consumed, the carotenoids pass … Continue reading →

Posted in Black Tea, Carotenoids, Tea | Comments Off on Carotenoids in Black Tea

L-Theanine: It’s Effects on Mental State

Posted on September 26, 2019 by Robert Barrington

L-theanine is an amino acid found in the tea plant (Camellia sinensis). When tea is brewed, L-theanine passes from the tea leaves into the water. Consuming tea therefore provides a source of L-theanine, and studies show that the L-theanine from … Continue reading →

Posted in Black Tea, Brain, Green Tea, L-theanine, Tea | Comments Off on L-Theanine: It’s Effects on Mental State

Antioxidants in Tea

Posted on September 7, 2019 by Robert Barrington
Posted in Antioxidant, Black Tea, Green Tea, Tea | Comments Off on Antioxidants in Tea

Is Tea an Anti-anxiety Drink?

Posted on July 29, 2019 by Robert Barrington

Tea is a complex mixture of chemicals and these have been isolated and characterised. Evidence suggests that tea has a calming effect, and this may relate to the unique chemical composition of the drink. The calming effects of tea may … Continue reading →

Posted in Anxiety, Black Tea, Green Tea, Tea | Comments Off on Is Tea an Anti-anxiety Drink?

5 Reasons Why A Cup of Tea Is A Good Idea

Posted on April 20, 2019 by Robert Barrington
Posted in Black Tea, Green Tea, Tea | Comments Off on 5 Reasons Why A Cup of Tea Is A Good Idea

Carotenoids in Tea

Posted on February 10, 2019 by Robert Barrington
Posted in Black Tea, Carotenoids, Tea | Comments Off on Carotenoids in Tea

The Carotenoid Content of Green and Black Tea

Posted on December 27, 2018 by Robert Barrington
Posted in Beta Carotene, Black Tea, Carotenoids, Green Tea, Tea, Theaflavins / Thearubigins, White Tea | Comments Off on The Carotenoid Content of Green and Black Tea

Dietary Sources of GABA

Posted on November 16, 2018 by Robert Barrington

Gamma aminobutyric acid (GABA) is an amino acid neurotransmitter found in the brains of mammals and other animals. GABA is synthesised by humans and is therefore not essential in the diet. GABA is an amino acid, but it is not … Continue reading →

Posted in Anxiety, Black Tea, Flavones, Flavonoids, Gamma Aminobutryric Acid (GABA), Green Tea, Mood, Sourdough Bread, Tea | Comments Off on Dietary Sources of GABA

What Is L-Theanine and Do You Need it?

Posted on August 17, 2018 by Robert Barrington

L-theanine is an amino acid found almost exclusively in tea (the Camellia sinensis plant). Chemically L-theanine is called 𝛾-glutamylethylamide. This amino acid does not form proteins like many other amino acids, but instead is found in its free-form. L-theanine is … Continue reading →

Posted in Black Tea, Green Tea, L-theanine, Tea | Comments Off on What Is L-Theanine and Do You Need it?