How Much Caffeine In Tea?
By EverythingForTea.com
The amount of caffeine in tea depends on a number of factors, including:
• Region where the tea was grown
• Age and variety of the tea plant
• Length of the growing season
• Field and soil characteristics
• Amount of sun, water and nutrients
• Method used in processing the leaves
How the tea is made has a major impact on the amount of caffeine that ends up in your cup. The amount of tea used, water temperature, steep time, and whether one brews loose leaves or a tea bag, all influence caffeine levels.
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Rule of thumb: The more tea is being used, the longer the brewing time and the hotter the water — the more caffeine will be extracted.
Given there are so many factors at play, the amount of caffeine in a single cup can vary greatly:
Tea Type Caffeine Per Cup (8 oz)
White 30-55 mg
Green 35-70 mg
Oolong 50-75 mg
Black 60-90 mg
For comparison sake: a cup of coffee contains 150-200 mg of caffeine, while cola about 40 mg.
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