'''Fermentation''' is the breakdown of [[sugar]]s into [[alcohol]], [[carbon dioxide]], and [[lactic acid]], a process that takes place without [[oxygen]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref>
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'''Fermentation''' is the breakdown of [[sugar]]s into [[alcohol]], [[carbon dioxide]], and lactic acid, a process that takes place without [[oxygen]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref>
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[[Louis Pasteur]] discovered the biological aspect of fermentation,<ref>"He demonstrated that microorganisms cause both fermentation and disease . . ." [http://www.chemheritage.org/discover/chemistry-in-history/themes/pharmaceuticals/preventing-and-treating-infectious-diseases/pasteur.aspx Chemical Heritage Foundation]</ref>
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which scientists at the time held was purely chemical.