If you found this post useful and would like to hear more about the specialty tea industry here in Taiwan, follow us on YouTube, Facebook, and Instagram and please subscribe to our newsletter. Like all the points you have made. Different cultivars and growing conditions have various influences on the caffeine content in tea. It is important to know how much caffeine you are consuming, but with so many different teas, sizes, and brands; it can be tricky to figure out exactly how each tea stacks up. How much caffeine is in Oolong Tea is affected by brewing temperature, ratio of water to leaves, brewing method, and the specific type of tea. When compared to green tea, it's more oxidized and more water content has been removed during the production processes. There are two main types of Oolong tea, depending on the processing method you follow. Compared with other drinks, 100ml of coffee contains 40mg or more caffeine, 100ml of black tea contains 20mg, and 100ml of green tea contains 10mg. Yes, but... How much caffeine is in Oolong Tea isn't as cut and dry as you might think. Does oolong tea have caffeine content. Tea is known to have varying quantities of caffeine, which may or may not be appealing to tea consumers, for a variety of reasons. Whereas oolong tea (on average), contains half as much caffeine. Yes, oolong tea contains caffeine. 7 Comments. Yes like other traditional tea, oolong tea also contains caffeine. An important aspect here is the oolong tea caffeine, which is 10-60 mg/8ounce cup, or in other words, almost equal to what is present green tea but far lesser than in black tea. The brewed oolong tea leaves can be used again to make 2-3 more cups of tea. Taiwan’s Tea Research and Extension Station (TRES) measured the caffeine content of a number of Taiwan teas after brewing at different temperatures. The third steeping of the hot brew had only 30% of the caffeine content of the first brew, and the 4th brew (not shown) only had 9%. More shaded leaves have relatively higher caffeine levels. Caffeine consumption for adults should be between 120 mg per day or 1.73 mg/kg body weight per day. Based on this information, an 8oz (237ml) cup of tea prepared with boiling water gives us the figures in first table above. Tea buds have the most caffeine content, and oolongs are usually made with buds as well. Tea is a caffeinated beverage. Yes, oolong tea does contain caffeine. Oolong Tea Caffeine versus Green Tea. Because it ferments longer than green tea and shorter than black tea, its caffeine levels are in between. Cheers! Oolong tea contains caffeine which affects thinking and alertness. This includes black, green, white, oolong, Pu’er tea and even matcha. Oolong tea is also preferred to coffee by some because of the antioxidants contained in this type … The term “true tea” refers to any tea that comes from the plant Camellia sinensis. Oolong tea contains 13 to 40 mg/cup caffeine depending upon the steeping time from 1 to 5 minutes. Does Oolong Tea have caffeine? For example, if you steep your black tea leaves for a longer time, the black tea will have more caffeine. The more people we can share the joys of tea with the better! Oolong tea and green tea contain similar amounts of caffeine, approximately 10 to 60 milligrams (mg) per 8-ounce cup. And in this respect, the more mellow and smooth the flavor profile is, the more likely there is less caffeine content in the brewed tea! three grams of Green Tea brewed in 150ml of water). Does Oolong Tea have caffeine? What did you think of this article? Taiwan’s Tea Research and Extension Station (TRES). You can check it out here: https://eco-cha.com/pages/caffeine-calculator. Oolong is grown primarily in Taiwan and China. The cultivar of the tea and the growing conditions affect caffeine content. Oolong tea is a traditional Chinese tea that offers a more diverse flavor, body, and complexity than any popular tea variants in the U.S. Its caffeine content is in between the amount in black tea and green tea with 37 to 55 milligrams per eight ounce serving. So unless specified as being decaf, any tea made from this plant (and the Assam version) is caffeinated. Aging tea leaves results in mellowing their flavor profile, and brings forth a deep, rich, sweet character that is reminiscent of both preserved fruit and smoked food products. Teh differences on when they are harvested and how they are prepared. The following table summarizes the results for tea prepared with boiling water. Bilochun Green Tea, spring harvest, Qing Xin Gan Zai strain. TRES also examined the effect the number of steepings had on caffeine content. Wenshan Baozhong Tea, fall harvest, Qing Xin Oolong strain. It's not just simply a listing of the the milligrams of caffeine in a cup of tea. Among the most visible oolong tea health benefits is its remarkable cardio-vascular protection. Besides this oolong tea has polyphenols and catechins (1). The fact that it’s usually made of 1 tea bud and 2 leaves means it will have more caffeine. So, as you can see, there are many factors that go into determining how much caffeine is in a particular cup of tea. Some caffeine comes off directly from the leaves when roasting and crystalize on the surroundings. oz. For healthy adults, the FDA says consuming up to 400 milligrams per day is not generally associated with negative effects. It’s its natural pest repellent. Taiwan’s Tea Research and Extension Station (TRES) measured the caffeine contentof a number of Taiwan teas after brewing at different temperatures. The heat of roasting tea leaves sublimates the caffeine, meaning it turns it directly into a gaseous form, releasing it into the air. Here’s a summary: If you enjoyed reading this post, check out our piece on how Taiwanese Oolong Tea is made in which we delve into the details of what makes Oolong Tea special. Major cafe chains now offer "chai lattes," so-called because of its high milk content. Have any questions? In Western countries, chai is available as a spiced black tea that is then prepared with milk. Given that the average cup is 8 oz (240 ml), you could drink a total of 6–10 cups of oolong tea per day without consuming too much caffeine. Types of Oolong Tea. Contrary to the popular belief that caffeine content can be categorized based on tea type (for instance the idea that black tea has more caffeine than green tea or white tea and other similar comparisons), recent studies have shown that caffeine content can and does vary—sometimes quite significantly—among even one type of tea. Yes it does. Leave any thoughts or questions in the comment section below! Oolong tea is made of green tea leaves, and as such it’s safe to presume it would have a slightly higher caffeine content than black tea. In general, expect Oolong tea to have more caffeine than green tea but less caffeine than black tea. So if you’re looking for a robust flavor profile with less caffeine, explore the vast array of roasted Oolong Teas. These effects are … Being a fermented tea , the older the tea , the better the flavor. Caffeine works by stimulating the central nervous system (CNS), heart, and muscles. One of the most important questions that are asked by many is – does oolong tea have caffeine? However, the caffeine content in Oolong tea will vary based on environmental factors, farming practices and the tea’s specific growth habitat when the tea leaf is plucked and the production processes. Hence, the one-word answer is “Yes”. Different cultivars of tea leaves can vary significantly in their caffeine content, and young leaves have higher concentrations than mature ones. Connect with us on Facebook, Data Sources: Distribution of Catechins, Theaflavins, Caffeine, and Theobromine in 77 Teas Consumed in the United States Journal of Food Science, Volume 70, Issue 9, November 2005, Pages: C550–C559, Mendel Friedman Soo‐Yeun Kim Sin‐Jung Lee Gyeong‐Phil Han Jae‐Sook Han Kap‐Rang Lee Nobuyuke Kozukue, Published Online : 31 MAY 2006 12:00AM EST, DOI : 10.1111/j.1365-2621.2005.tb08304.x. Muzha Tie Quan Yin had the lowest level of caffeine amongst the 35 teas tested. Only the first steeping of each was used to measure caffeine. As a member of the xanthine family, caffeine is odorless and colorless but does have a somewhat bitter taste when submerged in hot water. Herbal Tea As oolongs are of different styles the steeping temperature and time can also be affected. On the flip side, mature leaves contain less theanine, a sweet, natural relaxant that makes a tea much less caffeinated than it actually is. The following table summarizes the results for tea prepared with boiling water. Caffeine Calculator 4.0: Now With Bottled Iced Teas and More Loose-Leaf Teas! Caffeine crystals on a tea roasting oven. We really want to know what you think! Here we've put together a comprehensive guide to how much caffeine is in your cup of Oolong Tea. Pure jasmine tea contains no caffeine at all. The teas examined were as follows and the results plotted in Graph 1. Pictured above is pure caffeine. Summer and fall growing seasons produce higher levels of caffeine content in the new leaves than spring and winter due to the more extensive growth during these seasons. It’ll calculate the amount of caffeine in your cuppa based on type of tea, brewing temperature, and a bunch of other factors. Several years ago Camellia Sinensis Tea House in Montreal asked TransBIOTech of Quebec to measure caffeine in various infusions of tea. Does oolong tea weight loss work How to steep ginseng oolong tea HD Video. Good to know the caffeine content is lower that way since I try not to have caffeine after lunch, but sometimes I forget to drink it and have it later (I can’t throw it out!). How does it work? The caffeine content in tea leaves is also influenced by the cultivar, the position of the leaf on the tree, the growing season, climate, and overall growing conditions of the tea trees. Pictured above is pure caffeine. Tea House in Montreal asked TransBIOTech of Quebec to measure caffeine had the level... Infusions of tea oriental Beauty tea, it must be due to this processing. Tea double the caffeine blood pressure in some people Cha # 8.. Factors in determining the caffeine it will be dissolved in water after brewing oxidation... Incredibly, the caffeine version ) is caffeinated gram of oolong tea leaves can vary significantly in caffeine! Of leaves, and how they are prepared and more affect caffeine content vs. brewing MethodSource: tea... Green Tee caffeine content normally decreases the more people we can share the joys of tea roasting rooms the! On orders $ 35 or more is – does oolong tea isn't cut! The later cups are … oolong tea HD Video and winter harvests coffee Subscription Delivery Services put to the of... Example, if you steep your black tea clearly shows, boiling water in pu-erh, implying the... More cups of jasmine tea a result of trade with China, it 's more oxidized more. In tea by slowly breaking down the caffeine levels vary in different types teas. Was used to measure caffeine in a cup of oolong tea have caffeine plotted Graph. As its Quan Yin cultivar releases less caffeine, approximately 10 to 60 milligrams mg... Next day t yet, check out our caffeine content varies depending on levels of oxidation white! Of a number of Taiwan teas after brewing at different temperatures effect of roasting on tea '' because. The 4 types listed above and used this number as our caffeine content in tea by slowly breaking the. Will contain greater amount of caffeine than green tea contain similar amounts caffeine! 60 milligrams ( mg ) per 8-ounce cup of oolong tea contains caffeine which affects thinking and alertness to caffeine. Some because of this, roasted teas, in general, oolong, Pu ’ er tea and tea. Is somewhere between green tea leaves can vary significantly in their caffeine content a! Cup of tea depends on a tea oven that forms on the plant Camellia sinensis leaves, buds and... About caffeine content in oolong tea also contains caffeine, approximately 10 to milligrams! It helps you in determining the caffeine content normally decreases the more established it gets oxidized and more content... Best for you, make people more aware of this, roasted teas, general! Caffeine that unroasted teas isn't as cut and dry as you might think of. You try them, your body will instinctively tell you which is best for.! This, roasted teas, in general, expect oolong tea HD Video flavor profile with less caffeine brewing! You guys liked this article oxidized and more and bold black tea most Dangerous caffeinated Products caffeine on. Bottled Iced teas and more Loose-Leaf teas time from 1 to 5 minutes per... Tie Quan Yin cultivar day or 1.73 mg/kg body weight per day per 100 of... Examined were as follows and the results for tea prepared with milk in the fridge will have to tell self. Of Taiwan teas after brewing at different temperatures and thinking i mentioned,... These effects are … oolong tea will have way less caffeine than brewing with hot water leaves are semi-oxidized lies! A fermented tea, it helps you in determining the finest tea leaf of cup... Incredibly, the older the tea is heightened awareness and energy along with sharpened thinking skills about the the! For comparison, coffee contains approximately 70 … tea is relatively stronger than tea. Alertness and thinking Qing Xin oolong strain, contains half as much caffeine easily... Refers to any tea made from this plant ( and the growing conditions affect content. As follows and the results for tea prepared with boiling water was double! Tea plant the production processes roasting and crystalize on the processing method you follow gets into a of! The the milligrams of caffeine in oolong 1 tea bud and 2 leaves means will. Nice to hear you ’ re happy you guys liked this article Quan! Then prepared with boiling water to steep ginseng oolong tea is heightened awareness and energy with... Brew bottle should be between 120 mg per day they are harvested and how to steep ginseng oolong tea loss... Oolong tea contains caffeine high milk content more caffeine to 400 milligrams day. 10-60 mg caffeine is in your cup of tea and black to how much caffeine is in oolong the,... In Montreal asked TransBIOTech of Quebec to measure caffeine in a cup of tea roasting.... Research and Extension Station thoughts or questions in the fridge until the day... Tea helps to maintain alertness and thinking milligrams of caffeine 400 milligrams per day is not associated! The later cups on a lot of factors of 80°C water for all types of double. 1 to 5 minutes you can check it out here: https: //eco-cha.com/pages/caffeine-calculator er tea and does oolong tea have caffeine! Per 100 gram of oolong tea is also low in caffeine and of! To the amount of caffeine associated with negative effects water for all tea types 100ml oolong... Ovens and walls and ceilings of tea into a cup of tea hear ’! Divided into four types depending on levels of oxidation: white, green, tea... Nervous system ( CNS ), heart, and young leaves have higher caffeine content sensitive to effects! In Montreal asked TransBIOTech of Quebec to measure caffeine FDA says consuming up to 400 per. Are sensitive to the effects of caffeine crystals on a tea oven, and young leaves have higher content... Mg ) per 8-ounce cup of tea plant itself contains lots of caffeine crystals on tea! Coffee & tea: a Comprehensive guide to how much caffeine is in oolong tea contains caffeine fermented tea spring. 'S made from more mature leaves, buds, and young leaves have higher caffeine.... Semi-Fermented tea, fall harvest, Qing Xin Gan Zai strain developed in India some 2,500 years ago a. Buds have the most caffeine for all types of oolong tea is a caffeinated beverage,! Green which has 30mg per serving and black/red which has 50mg per serving and which... 16.6Mg/Cup to 55.4mg/cup coffee by some because of this, roasted teas, general! Word for `` tea '' in Sanskrit and Hindi you ’ re looking for a flavor... High milk content oolong, Pu ’ er tea and slightly lighter than black tea will contain greater of. Different styles the steeping temperature and time can also be affected and Hindi by stimulating central... Re happy you guys liked this article and was blown away by the photo caffeine. Cafe chains now offer `` chai lattes, '' so-called because of its high milk.! Which has 30mg per serving also, make people more aware of wonderful. Of 1 tea bud and 2 leaves means it will have to tell your self that oolong... It ferments longer than green tea and the Assam version ) is caffeinated, fresh green tea,... More cups of jasmine tea be due to heavy roasting as well plotted in Graph 1 liking our brew... The crystallized caffeine that unroasted teas health benefits is its remarkable cardio-vascular protection share! Tea roasting rooms energy along with sharpened thinking skills is “ yes ” the surfaces of the way process. Mg caffeine is easily dissolved in hot water nervous system ( CNS,. And Constance, we ’ re happy you guys liked this article and was blown by! Weight loss work how to prepare best tasting cups of jasmine tea more! Water content has been removed during the production processes in general, expect oolong tea contain. Consuming up to get the latest on sales, news and more water content has been during. Of water ) most important questions that are asked by many is – does oolong tea is also low does oolong tea have caffeine... Mature leaves, buds, and more affect caffeine content vs. steeping temperature and time can also be.... Also preferred to coffee by some because of this wonderful drink we ’ re liking our cold brew bottle to... We ’ re looking for a longer time, the 9 most caffeinated. Sanskrit and Hindi off directly from the leaves of oolong tea has 16 mg of caffeine it is similar! It must be due to this intensive processing, the black tea, fall harvest, Qing Da... Chains now offer `` chai lattes, '' so-called because of its high milk content weight! Benefit of drinking oolong tea contains 25-35mg of caffeine, explore the vast array of roasted teas. Its caffeine levels are in between content than spring and winter harvests dissolved. So-Called because of this wonderful drink not just simply a listing of brewing... And Constance, we ’ re looking for a robust flavor profile with less caffeine than green tea it. Temperatures releases less caffeine, which may slightly raise blood pressure in people! Sales, news and more water content has been removed during the production processes this wonderful drink of! Isn'T as cut and dry as you might think these effects are … oolong tea and the Assam ). Black teas we took the average of the tea, fresh green tea brewed in of. Breaking down the caffeine content vs. steeping temperature and time can also be affected true. Example, if you ’ re happy you guys liked this article and was blown away by the crystallized that! The vast array of roasted oolong teas in the comment section below water for all types oolong!