ALCOHOL FERMENTATION

WHAT IS ALCOHOL FERMENTATION?

Alcohol fermentation is when...

Temperature:

Ales: 18˚C - 21°C
Lagers: 10˚C - 13°C

pH:

pH 4.0 - 5.5

(Notovska, 2024), (Yalcin & Yesim Ozbas, 2008)

Wine

Reactants:

Fruits (sugars), Yeast (microbe)

Ethanol, Carbon dioxide, (small traces of acetic acid), lactic acid, flavour compounds (eg. esters)

Products:

(Reactions, 2016)

Bioethanol

Reactants:

Biomass (glucose source), Yeast (microbe), Enzymes (required for enzymatic hydrolysis)

Bioethanol, carbon dioxide

Products:

(sciencephotogallery, 2025), (Monash University, 2025)