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Sweet tea, also known as sweet iced tea, is a popular style of iced tea commonly consumed in the United States [1] [2] (especially the South) and Indonesia. [ 3 ] [ 4 ] Sweet tea is most commonly made by adding sugar or simple syrup to black tea while the tea is either brewing or still hot, although artificial sweeteners are also frequently used.
A study found that the caffeine content of one gram of black tea ranged from 22 to 28 mg, while the caffeine content of one gram of green tea ranged from 11 to 20 mg, reflecting a significant difference. [58] Tea contains small amounts of theobromine and theophylline, which are xanthines and stimulants, similar to caffeine. [59]
Pure green tea is the standard tea in Vietnam. A high-grade Vietnamese green tea from the Tân Cương commune of Thái Nguyên has a strong bitter taste on the tip of the tongue, but later transforms to deep, lingering sweetness. [7] Tân Cương tea has different grades such as đinh nõn, tôm nõn, móc câu.
Tea (left) and coffee, the two most common naturally caffeinated drinks. A caffeinated drink, or caffeinated beverage, is a drink that contains caffeine, a stimulant that is legal practically all over the world. Some are naturally caffeinated while others have caffeine added as an ingredient.
Preparation and many other factors have a significant impact on tea, and color is a poor indicator of caffeine content. Teas like the pale Japanese green tea, gyokuro, for example, contain far more caffeine than much darker teas like lapsang souchong, which has minimal caffeine content. [243]
Oxidizing tea leaves to create black tea ("red" in Chinese tea culture) or oolong tea leaves from green leaves does not affect the amount of caffeine in the tea, though tea-plant subspecies (i.e. Camellia sinensis sinensis vs. Camellia sinensis assamica) may differ in natural caffeine content. Younger leaves and buds contain more caffeine by ...