Caffeine in Green Tea

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Caffeine in Green Tea vs. Coffee

Most people drink coffee in the morning because it tastes good and it has more caffeine to give you a more effective kick-start when compared to to green tea. Yes, it is true that coffee has more caffeine than green tea, and that one would have to drink three cups of green tea to equal the amount of caffeine in one cup of coffee, most avid tea drinkers find that it has a bit “too” much caffeine. Personally, coffee makes me jittery in the morning and I find tea has just the perfect amount of caffeine to wake me up…but that’s just me, you may be different. If anything, green tea has a more “refreshing vibe” to it, and is better after a meal to enhance digestion. Also, green tea is perfect in the evening for calming, without the harsh side effects on your sleeping patterns.

Did you know eight ounces of green tea contains about 35mg of caffeine? This is about half the amount of caffeine found in regular, black tea. However, this is still more significant than decaf tea, which has between 2 to 10mg of caffeine per cup. Even iced green tea has caffeine, about 15mg in a 16 oz. container. But many popular iced teas also have added sugar and calories.

Type of Caffeine in Green Tea

We are asking ourselves the wrong questions about “Caffeine in Green Tea”. Instead of asking “HOW MUCH caffeine is in green tea compared to coffee or black tea”, we should be asking “what kind of caffeine is in green tea” ? After all, people don’t find drinking coffee everyday effects their weight like they do when having green tea everyday for an extended period of time…this is partially attributed to the type of caffeine in green tea.

The caffeine in green tea is classified as methylxanthines. If you want me to get all science savvy on you, these caffeine methylxanthines can be broken down into two minor isomeric dimethylxanthines” called bromine and “thoephylline”. One study, published in the Journal of Frontiers in Bioscience (1), even found these two isomeric dimethylxanthines (fancy term for the type of caffeine in green tea), a mild stimulant attributed to the type of caffeine in green tea.

Caffeine in Green Tea and Health Benefits

Select studies even describe the use of caffeine in green tea to enhance mental activity, running performance and to treat apnoea and micraine headaches. I even came across a study that showed caffeine in green tea to implement this chemical called theophylline and theobromine in asthma and bradycardia treatments. How neat is that?!

Nature truly does provide us with everything necessary to live a long and healthy life. The benefits of green tea are just endless.

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References

(1) Anaya, A. L., Cruz-Ortega, R., & Waller, G. R. (2006). Metabolism and ecology of purine alkaloids. Front Biosci11, 2354-2370.

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