How much caffeine is there in tea?
Caffeine from natural sources has been consumed and enjoyed by humans throughout the world for centuries. The widespread natural occurrence of caffeine in a variety of plants undoubtedly played a major role in the long-standing popularity of caffeine incorporated products, especially the beverages. The human body requires a certain amount of caffeine and research indicates that up to 10 – 12 cups of tea daily will not have any detrimental effect on the body. The species or the variety of the tea plant determines content of caffeine in tea, as it is a genetic feature. Camellia Sinensis, the variety that is grown in Sri Lanka has caffeine levels of approximately 2.5 – 4%. However the distribution of caffeine in the plant depends on the part of the plant it is derived from. For example: Bud 4.70 % First leaf 4.20 % Second Leaf 3.50 % Third Leaf 2.90 % Upper stem 2.50 % Lower stem 1.40 % Both tea and coffee contain the methylated xanthines, caffeine, theophylline and theobromine. Brewed co
The caffeine content in tea averages about 1/3 the amount found in equal liquid quantities of coffee, about 28-44 mg of caffeine per cup. It is only a myth that green and white teas have less caffeine. The leaves contain the same amount of caffeine but you tend to brew green teas for a shorter period of time and this will lessen the amount of caffeine that ends up in the brew.
Caffeine from natural sources has been consumed and enjoyed by humans throughout the world for centuries. The widespread natural occurrence of caffeine in a variety of plants undoubtedly played a major role in the long-standing popularity of caffeine incorporated products, especially the beverages. The human body requires a certain amount of caffeine and research indicates that up to 10 – 12 cups of tea daily will not have any detrimental effect on the body. The species or the variety of the tea plant determines content of caffeine in tea, as it is a genetic feature. Camellia Sinensis, the variety that is grown in Sri Lanka has caffeine levels of approximately 2.5 – 4%. However the distribution of caffeine in the plant depends on the part of the plant it is derived from.
