Category Archives: Black Tea

Why Does the L-Theanine Content of Tea Vary?

Tea is a unique source of an amino acid called L-theanine. L-theanine is of interest to nutritionists because evidence suggests that L-theanine can alter brain chemistry which result in changes to brain wave pattern. These changes cause the excitability of … Continue reading

Posted in Black Tea, Green Tea, L-theanine, Tea | Comments Off on Why Does the L-Theanine Content of Tea Vary?

Degradation of Carotenes in Tea Leaves

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

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

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 in Antioxidant, Black Tea, Green Tea, Tea | Comments Off on Antioxidants in Tea

Is Tea an Anti-anxiety Drink?

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 in Black Tea, Green Tea, Tea | Comments Off on 5 Reasons Why A Cup of Tea Is A Good Idea

Carotenoids in Tea

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

The Carotenoid Content of Green and Black Tea

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

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