Yes, green tea does contain caffeine. However, the amount is generally less than what you'd find in black tea or coffee.
Here's a more detailed breakdown:
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Caffeine Content: A typical 8-ounce cup of green tea contains approximately 29 milligrams of caffeine. This amount can vary based on factors such as:
- Infusion time: Longer steeping times generally result in higher caffeine levels.
- Amount of tea: Using more tea leaves will also increase the caffeine content.
- Tea type: Different varieties of green tea may have slightly different caffeine levels.
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Comparison to Other Beverages:
- Black Tea: About 47 mg of caffeine per 8-ounce cup.
- Coffee: Around 95 mg of caffeine per 8-ounce cup.
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Factors Affecting Caffeine Levels: While 29mg is a good average, understand that these are estimates. The age of the tea leaves, processing methods, and even where the tea was grown can influence the final caffeine content in your cup.
Therefore, if you are sensitive to caffeine but still want to enjoy tea, green tea can be a good choice due to its lower caffeine content compared to black tea and coffee.
