Fermentation is an anaerobic process: close anaerobicAnaerobic processes occur in the absence of oxygen. glucose → ethanol + carbon dioxide Yeast provides the enzymes required for fermentation.

The enzymes that work in digestion and fermentation in the human body typically ... because of the way they break down ...

Enzymes are naturally occurring proteins that enhance biochemical reactions. They can be obtained by extraction from plants ...

It turns out that the enzymes ... fermentation process is generally enough to kill most bacteria that might be found in saliva. It's also not a practice unique to the Andes. There are examples ...