What kind of medium could I use to make the yeasts use only oxidative stress and not fermentation?

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C. M. Lucy Joseph

Oxidative stress or respiratory metabolism as opposed to fermentation?

Khadija El kanbi

I'm sorry, I wanted to write "respiratory metabolism".

Maria Bayliak

You should use nonfermetable carbon sources like ethanol or glycerol, or you can use glucose at the concentrations lower 0,5% in order to avoid glucose repression of respiratory metabolism.

Thank you very much for your quick answer !

Agreed. Nonfermentable carbon source and aeration would encourage respiration over fermentation. If you need to use glucose make certain the concentration is low.

Thank you a lot !