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Showing posts with the label fermented tea

Oxidation vs. Fermentation

When teaching classes, speaking on panels, or even just in casual conversation, two of the most common questions I've been asked are: What is oxidation?  What does fermentation mean in regards to tea?   Tea terminology can be confusing to those who work outside the industry or are just getting their start. We tea workers have our own language for sure! When it comes to oxidation vs. fermentation, things can get especially murky. We hit a translation barrier when working with Chinese tea especially, as it's pretty standard for the terms to be used interchangeably in that region. Generally speaking, however, oxidation and fermentation refer to two completely different processes. Let’s break it down (ha ha cellular biology joke). Oxidation is the process of oxygen getting into the cells and  primary factor that distinguishes between the six true types of tea: white, yellow, green, oolong, black and post-fermented. You know how an apple turns brown when you bite in...