Changes

Tolerance to ethanol begins to decline in ''Acetobacter'' starting at about 10% ABV. Most strains are not tolerant of glucose once it is at ~25% of the solution <ref name="Gullo_2005">[Characterization of acetic acid bacteria in “traditional balsamic vinegar”. Maria Gullo, Cinzia Caggia, Luciana De Vero, Paolo Giudici. 2005.]</ref>.