How Much Caffeine Is in Oolong Tea? Everything You Should Know
Did you know the caffeine in tea can vary a lot depending on how you brew it? Oolong sits right in the middle of the tea range, neither too strong nor too mild. Here's a closer look at oolong, starting with how much caffeine it contains.
What Is Oolong Tea?
Oolong tea is common in China and Taiwan and, more recently, in Nepal. What sets it apart from other teas is how it's grown and processed. White tea is minimally processed and black tea is fully oxidised, while oolong is partly oxidised.
Oolong's flavour depends on how far that processing goes. Some oolongs are very light and floral, while others are rich and toasty. That range of flavour is why so many tea lovers get into oolong.
Understanding Caffeine in Tea
Caffeine is a substance that makes you more alert. The tea plant produces it as a natural defence.
How much caffeine a tea contains depends on several things:
- The variety of tea plant
- Which leaves are picked (younger leaves have more caffeine)
- Where and how the tea is grown
- How the tea is processed
- How you brew it
Caffeine Content in Oolong Tea
An 8-ounce cup of oolong tea generally contains around 50 to 75mg of caffeine. By comparison, that's:
- More than green tea (35 to 45mg)
- Less than black tea (60 to 90mg)
- Much less than coffee (about 91mg)
That moderate amount makes oolong a good choice if you want a little more energy without feeling jittery.
What Affects the Caffeine in Your Oolong
Several things decide how much caffeine ends up in your cup of oolong.
Tea made from younger leaves and buds usually has more caffeine than tea made from older leaves. Hotter water pulls more caffeine out of the leaves, and so does a longer steep.
You can also steep the same oolong leaves several times. Each infusion still tastes good, but has less caffeine than the one before.
How Oolong's Caffeine Affects You
Oolong's moderate caffeine keeps you mentally alert without overdoing it. Some research suggests oolong's caffeine may also give your metabolism a small boost.
If you're sensitive to caffeine, though, go easy on oolong. Too much caffeine can cause trouble sleeping, a faster heart rate, and anxiety.
Tips for Managing Caffeine in Oolong Tea
To cut down on caffeine when you drink oolong:
- Steep the tea in water just below boiling (180 to 190°F)
- Steep it for a shorter time
- Try darker oolongs, which sometimes have less caffeine
- Re-steep the leaves for a second or third cup, which will have less caffeine
Finding Your Perfect Cup
Oolong is a great all-rounder, combining moderate caffeine with complex flavour and health benefits. How you brew it shapes both the taste and how much of a lift it gives you.
If you're cutting back on coffee or looking for a new tea to try, oolong is worth exploring. Experiment with different oolongs and brewing methods to find what you like.
Try this high-altitude Oolong Tea.
Frequently Asked Questions
How much caffeine is in a cup of oolong tea?
An 8-ounce cup of oolong usually has around 50 to 75mg of caffeine. That's more than green tea (35 to 45mg), less than black tea (60 to 90mg), and much less than coffee (about 91mg).
What affects how much caffeine is in oolong?
The variety of tea plant, which leaves are picked (younger leaves have more caffeine), where and how the tea is grown, how it's processed, and how you brew it. Hotter water and longer steeping both pull out more caffeine.
How can I reduce the caffeine in my oolong?
Use water just below boiling (180 to 190°F), steep for a shorter time, try darker oolongs, and re-steep the leaves, since each infusion has less caffeine than the one before.
Written by:
Bhaskar Dahal
