1 NO tea from the plant camellia sinensis is caffeine-free; even decaffeinated teas have a small amount of caffeine. 2  When brewed at our recommended serving size, any variety of tea (black, green, oolong, white and pu-erh) will have less caffeine than coffee.
http://www.arborteas.com/pages/which-tea-has-least-or-most-caffeine.html
A cup of Lipton Cup Size Black Tea brewed for three minutes contains 55 mg of caffeine. A cup of Family Size Black Tea contains only 40 mg.
http://www.livestrong.com/article/272540-does-lipton-tea-have-caffeine/
We have read documents claiming that white tea is the least caffeinated tea and others proclaiming it to be second only to black tea as the most caffeinated tea. Despite all of this, here are a few rules of thumb when it comes to understanding how much caffeine is in your tea:
http://www.arborteas.com/pages/which-tea-has-least-or-most-caffeine.html
Confidence votes 57. It really depends on a lot of factors but the caffeine content of a tea bag brewed for five minutes in eight ounces of water is about 47 milligrams, according to the USDA.
http://www.answers.com/Q/How_much_caffeine_in_one_tea_bag_of_black_tea
Answer   It depends on the type of tea and whether or not it is decaf. if it isn't on an average it is between 45-50 mg of caffeine per an 8oz serving but some ma … y range from a low in herbal teas at 30 and a middle of green tea at 40-45 and a high at black and white tea from 45-60.
http://www.answers.com/Q/How_much_caffeine_in_one_tea_bag_of_black_tea
Aside from our herbal caffeine-free selections, NO tea is caffeine-free. Even decaffeinated teas retain a very small amount of caffeine after the decaffeination process (usually less than 2 mg per cup). Caffeine occurs naturally in the leaves of the tea plant, camellia sinensis. The amount of caffeine that is transferred from that leaf into your cup depends on many things: varietal, age of leaf, method of manufacture, production techniques, steeping time, and the water temperature used during steeping.
http://www.arborteas.com/pages/which-tea-has-least-or-most-caffeine.html
The caffeine content of black tea is widely variable, but in general, all tea, including black tea, has substantially less caffeine than coffee. Tea tends to have around 15-70 … mg per 8 ounce cup, usually based on a typical tea bag or 1 teaspoon of dry loose leaf tea.
http://www.answers.com/Q/How_much_caffeine_in_one_tea_bag_of_black_tea
Caffeine In Green Tea. Lipton 100 Percent Green Tea contains about the same amount of caffeine as Lipton Black Tea: 45 mg per serving. Lipton flavored green teas contain between 15 and 30 mg of caffeine per serving.
http://www.livestrong.com/article/272540-does-lipton-tea-have-caffeine/
Most Lipton teas contain some caffeine. Decaffeinated teas contain very little, only 4 mg per serving. If you want to avoid caffeine completely, herbal teas are a good choice. They are not made from tea leaves, so they do not contain caffeine.
http://www.livestrong.com/article/272540-does-lipton-tea-have-caffeine/
Brew Time. There are two major variables that affect how much caffeine you consume in your —brew time and cup size. The longer you allow your tea to steep, the more caffeine is extracted from the tea leaves. Lipton recommends a brew time of two to five minutes, depending on how strong you like your tea.
http://www.livestrong.com/article/272540-does-lipton-tea-have-caffeine/
how much caffeine is in lipton tea bags
There are 45 mg of caffeine in Lipton tea bags. There are 45 mg caffeine in Lipton tea bags.