The process for making black tea is defined by allowing the leaf to fully oxidize during production (which means water evaporates out of the leaf and the leaf absorbs more oxygen from the air).

Green tea comes from the same plant {Camellia Sinensis) as that of black tea, but the difference is in the processing.

Oolong teas are roughly defined as any tea that undergoes partial oxidation (10-90%), but this fact is not useful by itself.

White tea is the most subtle of all the varieties of tea, using only the newest tea leaves from each bush with a minimal amount of processing. Considered by some

Prepared from roasted coffee beans which is obtained from the coffee plant, this brewed drink is widely popular worldwide.

These beans have a harsher, bitter taste and a less saturated aroma. Therefore, Robusta beans are usually found in a blend with Arabica beans.