One isn’t necessarily “healthier” than the other. Both green and black tea are made from the leaves of the Camellia sinensis plant. One difference is that black tea leaves are first rolled ...

After harvesting, black tea leaves go through a process of wilting, bruising, rolling, and oxidation. Oxidation occurs when the leaves remain exposed to the air for a long time. Enzymes break down ...

The more tea leaves oxidize, the darker they become, which determines the type of tea: Black tea leaves are bruised, wilted, rolled, and completely oxidized. Green tea leaves are not wilted and ...

Oolong tea is a traditional Chinese tea. It’s made from the same plant used in black and green teas, but the leaves are processed differently. This tea-making process is called oxidation.