Green tea vs black tea - why green tea is the clear winner

Green tea vs black tea - why green tea is the clear winner

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Having trouble deciding the winner in green tea vs black tea? Well, it depends on what we’re measuring.

In the popularity contest, black tea definitely wins! Around 76% of all tea produced and consumed is black tea. Green tea comes in at around 22%, and oolong tea is far behind on the list at only 2%.

Here’s a fun fact… In the USA, 80% of all the tea we drink is in the form of black iced tea! I’ll admit – I love iced tea made from black tea. But, are we depriving ourselves from nutritional benefits by not drinking iced green tea?

Doesn’t all tea come from the same plant?

All tea, black and green, come from the same plant. The difference is in the processing. Black tea leaves are fully fermented. The leaves naturally oxidize as they are dried and crushed.

Green tea leaves are steamed to stop the oxidation process, so they are completely unfermented. Oolong tea is in the middle. The leaves are only partially fermented.

Green Tea vs Black Tea: Tea Plantation in Shizuoka, JapanTea Plantation in Shizuoka, Japan

Which has more caffeine?

Believe it or not, green tea is lower in caffeine than black tea (and most soft drinks). Green tea gives you enough caffeine to feel energized, but it most likely won’t keep you up at night. Of the teas, black tea contains the most caffeine.

Amount of caffeine in Tea:

Green tea: 15 – 25 mg

Black tea: 40 – 70 mg

Oolong tea: 18 – 33 mg

What about green tea vs coffee?

Coffee has much higher levels of caffeine than tea, even black tea.

Amount of caffeine in Coffee:

Espresso: 108 – 180 mg

Brewed coffee: 80 – 115 mg

Instant coffee: 65 mg

Which has more antioxidants?

Black tea and green tea both contain flavonoids, but the types of flavonoids are different. Green tea has a higher amount of catechins, including EGCG.

The fermentation process of black tea results in less catechins. Fermentation converts the flavonoids into theaflavins and thearubigins.

Oolong tea also has more catechins than black tea because it is only partially fermented.

One more benefit…

Green tea contains more Vitamin C than black tea. The fermentation process decreases the amount of Vitamin C in black tea.

So, the verdict for now is that green tea is better. That’s not to say black tea is bad. It still has many beneficial properties, just like green tea. And, it is a much better choice than sugary soft drinks!

Sources

Cabrera, C., Artacho, R., & Giménez, R. (2006). Beneficial effects of green tea – A review. Journal of the American College of Nutrition, 25(2), 79-99.

Wu, J. J., Chiang, M. T., Chang, Y. W., Chen, J. Y., Yang, H. T., Lii, C. K., Lin, J. H., & Yao, H. T. (2011). Correlation of major components and radical scavenging activity of commercial tea drinks in Taiwan. Journal of Food & Drug Analysis, 19(3), 289-300.

Becki
Becki Benedict has a Master’s degree in International Studies and has traveled extensively throughout Asia. She has lived and worked in Japan, China, and Thailand.

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