An English breakfast tea typically contains around 30-50 milligrams of caffeine per 8-ounce cup.
Yes, the caffeine content in green tea is generally lower than that in black tea.
Unfortunately, it does have caffeine. For specifics, check http://www.energyfiend.com/caffeine-content/snapple-tea
Yes, yes it does.
The temperature of the tea doesn't make a difference, it's the type of tea that changes the caffeine content.
Yes you can but it's not advisable to drink too much. It's the caffeine in the tea that can cause a lower than normal birth weight. English breakfast tea has a greater amount of caffeine, than "normal" tea. Four cups of tea a day is a guideline, so for English, I'd suggest only two cups a day. Any doubts, see your doctor, he's better qualified for this sort of thing. See related link for more information.
Yes, earl gray black tea does contain caffeine.
Yes, Caffeine content is measured by volume.
no why would it?
Yes it does. The Caffeine Content in English Breakfast Tea is 3.4% of Total Weight (which is a significant amount compared to other teas). The caffeine content in tea is about half to one third to that of coffee. This tea gives a good energy boost compared to coffee coffee. Caffeine does not increase your risk of heart disease. It temporarily increases your sympathetic tone (increased heart rate, mild increase in blood pressure) but certainly doesn't "harden" your arteries. The hardening of arteries, atherosclerosis, is a process that occurs over many years in response to elevated LDL cholesterol, chronically elevated blood pressure, and several other factors including smoking.
The caffeine levels in white tea vary by blend. The caffeine content in white tea can be as low as 12 mg and as high as 58 mg.
Black tea and white tea differ in flavor, caffeine content, and health benefits. Black tea has a stronger, bolder flavor compared to the delicate and subtle flavor of white tea. Black tea generally contains more caffeine than white tea. White tea is known for its high antioxidant content, which may offer more health benefits compared to black tea.
Yes, Joko tea typically contains caffeine, as it is made from tea leaves, which naturally have caffeine. The caffeine content can vary depending on the type of tea used and the brewing method. Generally, black tea has higher caffeine levels than green or herbal teas. If you're looking for caffeine-free options, consider herbal teas that are not derived from traditional tea leaves.