Is Alcohol a Byproduct of Sugar? Understanding Fermentation
                                
                                
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                                    6 min read                                
                            
                                Over 7,000 years ago, ancient civilizations began deliberately fermenting beverages from natural sugars, a process still central to modern brewing and distilling. This process directly answers the question, is alcohol a byproduct of sugar? Specifically, fermentation uses yeast to convert sugar into ethanol and carbon dioxide.