Caffeine in Tea

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Part of the video series: Brewing Loose Leaf Tea

Ways to Brew Loose Leaf Tea

Summary: The caffeine in a cup of tea depends on the steeping time. Learn more about how caffeine influences tea in this free video about brewing loose leaf tea.

Views: 338 | Tags: green, leaves, history, white, ice, recipe, brewing, black, tea, leaf, oolong, iced

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About the Expert

Bret Wingert Bret and Kerstin Wingert own Souvia Tea, which has two stores in Arizona. They are in Phoenix and Scottsdale. After retiring from a career in IT, Bret and Ker... read more

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Video Transcript

Caffeine in Tea

In this clip we'll talk about caffeine, tea and caffeine. Many people are interested in the caffeine content of, in specific teas. Now in general it can be said that a cup of tea has about half the amount of caffeine than your regular cup of java. But in all these teas, white, green, oolong and black, if I have one pound of each of those tea leaves in their natural state, they always have the same amount of caffeine. The caffeine that you end up with in your cup depends on steeping time and steeping temperature. Now with that said, let me tell you that the caffeine in tea works slightly different on all bodies than the caffeine in coffee. And I always like to use the analogy of simple sugars and complex carbohydrates. So think about coffee and caffeine as your candy bar. You get that quick jolt, caffeine goes quickly into your blood, and when it's all used up, also you get that very quick let down. Now with tea, this is more like a complex carbohydrate. It is so much more complex and encapsuled in the tea that it takes much longer for the cell to absorb the caffeine and with that, you get more of a gentle lift, it carries you longer, and the let down is also not as abrupt as with the caffeine in your junk food and your coffee. The general rule though, when it comes to tea and caffeine content in each tea the providal is, the most amount of caffeine you'll find in black tea, and then it goes to oolong, green, and white tea having the least amount. What makes the effect of caffeine different also is the fact that there is another component in tea that works as a relaxant. It's called, it's the amino acid alfini. And so you get this ying and yang effect. While the caffeine stimulated, the alfini relaxes.