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Caffeine Levels in Tea and Coffee

Thursday, June 25, 2009
Related Tags: tea | coffee | caffeine | 75 | latte
 

Instructions

Tea vs. Coffee

  • Step 1:
    Ounce for ounce, tea leaves contain many times more caffeine than do coffee beans. However, whereas 1 oz. of coffee won't yield much more than 2 cups of coffee, an ounce of tea will yield as many as 20 to 30 cups, and that's assuming you don't go back for a second infusion. For that reason, a cup of tea almost always has less caffeine than a cup of coffee.

Green, White and Black Tea

  • Step 1:
    Among teas, white is said to have the least caffeine and black the most. However, this may have more to do with the quantity and weight of leaves used. Because they are so much less processed, a tablespoon of white tea may weigh about the same as a teaspoon of black tea. And less leaves (in terms of weight) are generally required to make a satisfactory infusion of white tea compared with green or black.

What's in a Cup

  • Step 1:
    According to Stash Teas, here is the breakdown in milligrams of caffeine for an average coffee and five types of tea:
    Coffee (5 oz. cup) 80
    Black Tea (one tea bag) 40
    Oolong Tea (one tea bag) 30
    Green Tea (one tea bag) 20
    White Tea (one tea bag) 15
    Decaf Tea (one tea bag) 2

What's in a Cup

  • Step 1:
    According to energyfiend.com, here are the caffeine contents of Starbucks beverages (8 oz. unless otherwise indicated).
    Brewed Coffee 180
    Brewed Decaf Coffee 15
    Caffè Americano 75
    Caffè Latte (also Cinnamon Dolce Latte) 75
    Cappucino 75
    Caramel Macchiato 75
    Espresso 75 (solo) 150 (doppio)
    Espresso Macchiato (also Espresso con Panna) 75 (solo) 150 (doppio)
    Frappuccino Blended Coffee (multiple flavors) 85 to 90
    Frappuccino Light Blended Coffee (multiple flavors) 70 to 75
    Tazo Black Tea Latte 50
    Tazo Chai Tea Latte 50

General Rule

  • Step 1:
    As can be seen in the charts above, as a general rule, coffee has more caffeine than tea, black tea has more than green, and green more than white. But beyond that, there are many factors that can significantly affect actual caffeine levels.

Caffeine Levels in Tea and Coffee Provided by eHow.com
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