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Sunday, July 21, 2013

Black tea and caffeine

Caffeine per 100 ml

Tea - 35.0 mg
Coffee - 80.0 mg
Coca Cola - 10.0 mg

How much caffeine brewed tea contains depends on a variety of factors. Key points include the origin and variety of teas. In the shadow of a growing varieties significantly higher caffeine content than those that thrive under high solar radiation. Extremely important is also the brew time the tea. If the tea can keep only briefly in hot water, less caffeine release from the dried tea leaves and get into the drink.

Black Tea, Green Tea and White Tea does not necessarily come from different plants. The name of the kinds of tea rather refers to the type of the tea leaves and drying in which stage of growth, they were harvested and dried. Nevertheless, the different kinds of tea are usually also made ​​of different teas. This fact also leads to the conclusion that the type of tea is no clear information on the caffeine content. T

he type of tea with highest caffeine content is actually the Darjeeling tea, which is considered one of the most important types of tea for the production of black tea. According to various sources can weren assumed in 100 ml of a tea caffeine content between 20 and 50 mg. Only the classical types of tea black, white and green tea are considered. Many other teas such as chamomile, peppermint or rose hip tea contain caffeine. way, used to be called theine present in tea caffeine. By this term now has been abandoned because it is chemically identical to the substance. However, the caffeine contained in tea is generally slower and longer. For optimal effect, the tea should draw a maximum of four minutes. Then the caffeine that make it largely ineffective binds with tannins.

Caffeine content of tea

The caffeine content of tea is less than the caffeine content of coffee. The exact relation is difficult to determine. Based on our research, the mean caffeine content of 100 ml of coffee at about 80 mg, and the bandwidth (64-96 mg) is large. The caffeine content of tea is usually given between 20 and 50 mg per 100 ml. Depending on the definition thus contains tea between 20 and 80% less caffeine than coffee. Comparing my the caffeine content of tea with that of cola or energy drinks to get to surprising results. Regarding the caffeine content of tea is two to five times stronger than Coca Cola and Pepsi Cola. In addition, the average tea is at the level authorized in Germany Energy Drinks. So tea is the healthy alternative to cola, coffee and energy drinks for those who do not want to give up caffeine.