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
Irish Breakfast tea typically contains about 40 to 70 milligrams of caffeine per 8-ounce cup, depending on the specific blend and brewing time. This makes it stronger than many other black teas, contributing to its robust flavor. The caffeine content can vary based on factors like the type of tea leaves used and the brewing method.
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.
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.
no why would it?
Yes, Darjeeling green tea does contain caffeine, although the amount is generally lower than that found in black tea or coffee. The caffeine content can vary depending on factors such as the specific variety of tea, the processing method, and how the tea is brewed. On average, a cup of Darjeeling green tea may contain around 30-50 milligrams of caffeine.
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.