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TEA GROWING | TEA LEAVES | TEA TRADE | TEA HISTORY

There are three distinct methods of processing tea leaves: black, green and oolong:

Black tea is created when fresh green leaves are withered after plucking, spread out to dry and then crushed by rollers to bring out the aromatic oils. The crushed leaves then oxidize, or ferment, and assume their characteristic brown color.

Green tea is produced by firing or steaming the fresh leaves immediately after picking, a step that prevents the leaves from oxidizing and precludes the natural fermentation that would otherwise occur.

Oolong tea is prepared like black tea but its leaves are allowed to ferment for a short time before drying and turn only partially brown, acquiring a flavor that combines that of both black and green teas.

The divisions into black, green and oolong teas are based entirely on these differences in processing. It is possible to produce all three kinds from the same tea leaves. Virtually all Japanese tea is green, almost all Indian tea is black, while China produces green, black and oolong tea.

Teas contain less caffeine than coffee. In addition to caffeine, tea contains polyphenols, commonly known as "tannins" and aromatic or essential oils. The essential oils are the source of tea's distinctive aroma.




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