health effects of tea
Health benefits of tea. The possible beneficial health effects of tea consumption have been suggested and supported by some studies, but others have not found beneficial effects. Studies claim that the polyphenol content of green tea has antioxidant properties that can help prevent cancer, however research is ongoing. There is also a suggestion that it can increase endurance in exercise by improving fat metabolism.
Health Effects of Tea â Caffeine. In dry form, a kilogram of black tea has twice the caffeine as a kilogram of coffeeâ¦. But one kilogram of black tea makes about 450 cups of tea and one kilogram of coffee makes about 100 cups of coffee, soâ¦. There is less caffeine in a cup of tea than in a cup of coffee. Green teas have less caffeine than black teas, and white teas have even less caffeine than green teas. Oolong teas fall between black and green teas. Herbal tea, because it is not made from the same tea plant, is caffeine-free, naturally. Here is a graphical representation of their respective caffeine content.