TEA is a product made by processing the leaves or buds of the tea bush "Camellia sinensis". It is commonly consumed in the form of a beverage made by steeping the processed leaves in hot water for a few minutes. Tea can refer both to the brew thus produced or to the material used to make it. The English word tea derives from the Min Nan dialect pronunciation tê of the Chinese word. The flavor of the raw tea is developed by processes including oxidation, heating, drying and the addition of other herbs, spices, or fruit. Tea is a natural source of caffeine and Theophylline.
HERBAL TEA usually refers to infusions of fruit or herbs containing no actual tea, for example rosehip tea or chamomile tea. Alternative terms for this are tisane or herbal infusion, which lack the word tea.
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