Home > Encyclopedia of O-CHA(tea) > The Processing of Tea
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Diverse Chinese tea
With a long history and vast geographic area, China has a wide variety of teas. It is common to divide tea in China into six colors for easy classification. These six colors are: blue tea , green tea, black(dark) tea, red tea, yellow tea , and white tea. Oolong tea, which is famous in Japan, is a semi-fermented tea that is part of the blue tea family. Here, we explain the basic process of typical blue tea.
1. Tea picking 
Picking tea leaves.
2. Withering 
Reduce moisture of picked leaves.
3. Shaking and vaporizing water 
Shake tea leaves to vaporize water. Tea leaves turn reddish and aroma comes out.
4. Heating and stopping the oxidase 
By heating, oxidase enzyme stops its activation.
5. Rolling 
Shape tea leaves.
6. Heating/Firing 
Dry tea leaves slowly by heating/firing