25°C – 35°C temperature Fermentation is a slow reaction. It may take days or weeks to finish. It ends when the ethanol concentration reaches about 15%, killing the yeast. If oxygen gets in ...

25°C – 35°C temperature Fermentation is a slow reaction. It may take days or weeks to finish. It ends when the ethanol concentration reaches about 15%, killing the yeast. If oxygen gets in ...

For the alcoholic reaction to proceed ... These observations suggested that fermentation was an organic process. To confirm his hypothesis, Pasteur reproduced fermentation under experimental ...