Guides
From Sugar to Sour: How Fermentation Builds Vinegar's Flavor
Vinegar's flavor originates from a two-stage fermentation: yeast converting sugars to alcohol, followed by acetic acid bacteria oxidizing alcohol into acetic acid. The distinct tastes of fruit versus cereal vinegars, and the impact of aging, stem from raw materials, microbial diversity, and secondary compounds.
Maya Patel·October 18, 2026