Oxidation vs. Fermentation
Oxidation is often confused with fermentation, which instead is a process using microorganisms to produce dark teas like Pu’er.
Oxidation Level by Tea Type
- Green Tea — Minimally oxidized (approx. 0% - 10%)
- White Tea — Slightly oxidized (approx. 10-15%)
- Yellow Tea — Slightly to medium oxidized (approx. 10-40%)
- Oolong Tea — Slightly to highly oxidized (approx. 10% to 80%)
- Black Tea — Highly to fully oxidized (approx. 80% to 100%)