Black tea caffeine has a distinct advantage over caffeine found in coffee. That's because black tea caffeine content is lesser compared to caffeine in coffee. A cup of coffee yields as much as 16 mg of caffeine while the same cup contains only about a half or a third of black tea caffeine. This reduces the danger of imbibing too much caffeine in your system since drinking even several cups of tea does not have quite the same potent effects as a cup of strong black coffee.
Yet, it should be noted that black tea caffeine can be quite confusing. One of its more confusing aspects is the fact that coffee actually contains less caffeine than tea when measured in its dry form. But when prepared in a cup, the caffeine content of coffee is significantly higher than the black tea caffeine content in a cup.
What Determines Black Tea Caffeine Levels?
The reason purportedly has something to do with how the tea was processed. But there actually several factors involved that may help determine black tea caffeine levels. These include the variety of tea leaf, where it is grown, particle size used, the particular tea leaf cut, and the method and length of brewing or steeping.
Also, studies show that black tea caffeine levels are determined by the leaf location on the tea plant. The lower the tea leaves are located, the more caffeine they contain. That's because the leaves near the bottom of the tea plant are more mature and, therefore, have more of the phytochemicals and substances that naturally occur in the plant.
Black tea caffeine, especially, is higher compared to all other tea caffeines. This probably has something to do with the way black tea is processed. Black tea undergoes full oxidation, which accounts for its strong taste.
Source : articlesbase
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