![]() And the longer you steep the tea, the more caffeine is released. What’s the boiling temperature when brewing?įor example, hot water absorbs caffeine more quickly than cold water.Are you using loose tea leaves or tea bags?.How is the tea prepared?Īnswers to the following questions change the caffeine content in your tea. Turns out, the fermentation method used to manufacture tea also significantly affects caffeine content in tea, but that is another subject for another day. These more matured tea leaves contain lower caffeine levels. In Wuyi Shan, Oolong tea leaves are harvested around mid-April, a late harvest. The Fujian province has been historically a famous tea region in China with renowned teas, including Da Hong Pao Oolong Tea, Lapsang Souchong Black tea, and Tie Guan Yin Oolong tea from Anxi county. Time of the harvest plays a vital role in tea’s caffeine content.įor the tea-tech geeks out there, you can see in the research table below showing the considerably low caffeine content in Fujian Oolong tea. Caffeine content decreases as the plant matures. The later in the season tea leaves are plucked, the lower the caffeine content. Therefore, they contain higher caffeine content. For example, refined Green teas use only the tips/buds of the tea plant. ![]() Harvesting of tea plantsĭepending on what time of the year the tea leaves (or buds) are plucked, tea’s caffeine level varies. So naturally, tea processed using leaf stems has lower levels of caffeine. However, younger leaves and newly formed tips/buds contain higher caffeine than older leaves. In general, a tea leaf of the Camellia Sinensis plant contains about 3% of caffeine by weight. Now let’s talk about other little-known factors affecting caffeine content in tea. It’s a misnomer that ripe Pu-erh tea contains lower caffeine. Herbal teas, of course, are caffeine-free.Green tea or raw Pu-erh tea contains 30 – 50 mg.Black tea / Ripe Pu-erh tea contains 60 – 100 mg.The chart below measures caffeine levels in a beverage. Note that coffee beans contain higher caffeine levels than coffee as a drink. Here is the breakdown of caffeine content in the most popular hot drinks. The standard cup size holds 8 ounces of liquid. That means about 4-6 cups of Black tea (or 2-3 cups of coffee). So how much daily caffeine is recommended for an average person? About 400 milligrams of caffeine is safe for a healthy adult. The effect of caffeine – your brain sends a signal to your body to wake up!Ĭaffeine, as a substance, has a distinct bitter taste. It’s a dose of encouragement most of us need to get going in the morning. How and when the tea leaves are processed.How much caffeine is in a cup of tea is as complicated as the subject of tea itself. Many people are wondering about this question, and you are not alone.
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