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The Caffeine Of Black Tea

The physical effects include stimulation of digestive juice, the kidneys, and the metabolism in ways that possibly help eliminate toxins. An increase of mental alertness, shortening of reaction time, and improving efficiency of muscle action is brought about by caffeine's stimulation of the heart and respiratory system, bringing more oxygen to the body.

A recent study on coffee shows that caffeine helps improve brain power performance and can be quite healthy, helping reduce the risk of heart disease and countless other diseases. However, because the study is still very new, the findings remain largely uncorroborated by other studies. Dieticians still warn against the bad effects of caffeine when consumed in large quantities. Because of its stimulating effects, caffeine can lead to heart palpitations, shortness of breath, and insomnia.

Black Tea Caffeine v. Coffee

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.

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Author: Jonas Smith
About the Author: Information on caffeine poisoning can be found at the Health And Nutrition site.
Article Source: ArticlesBase.com - The Caffeine Of Black Tea

Black Tea Benefits Trivia:

Did you know that:

• Antioxidants in black tea help fight the damages wrought by free radicals which are viewed as the source of many of today's debilitating diseases. Did you know that aside from the catechins that are so abundant in tea, there are a lot of other types of antioxidants? Discover them all here.

• Black tea is abundant in the antioxidant compound known as quercetin. Quercetin is a plant-based chemical, or phytochemical, known as a flavonoid. Its proponents say that quercetin helps in protecting against heart attacks, strokes and cancer. Read more about quercetin here.

• Aside from black tea, the flavonoid quercetin can also be found in such fruits as apples, vegetables such as onions, and drinks such as red wine.

• Black tea has a high magnesium content. Magnesium is a water-insoluble mineral that aids in helps in forming healthy bones and teeth. It also may help reduce the severity of asthma attacks. Go here for more info on magnesium.

• Black tea contains a good amount of caffeine, though not as much as coffee. A cup of black tea is said to yield only about a half or a third of caffeine as a similar cup of black coffee. While caffeine is believed to help sharpen and improve brain performance, it is also known to contribute to palpitations and insomnia when taken in large amounts. Learn more about the caffeine content of black tea here.

• Black tea has a considerable content of Vitamin B1 or thiamine. Thiamine is a water-soluble vitamin that enables the body to use its carbohydrate intake for energy-use. It also helps enhance blood circulation. Discover the benefits of thiamine here.

• The quality of the water used to brew the tea is very important. It is believed that the water used must be free of contaminants and contain enough oxygen to enhance the natural flavor of the tea. Teas made with pure water yield a crisp flavor and a clear brew that is aesthetically pleasant. Learn more about the health benefits of water here.

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