Liberal Dictionary English Dictionary
noun Chemistry.
- a yellowish, pleasant-smelling liquid, C4H8O2, obtained from various carbohydrates, as glucose, by fermentation: used chiefly in the manufacture of flavors and essences.
Acetoin, Food-Grade Flavor Ingredient | Sigma-Aldrich
Acetoin | C4H8O2 | ChemSpider
Efficient production of acetoin in Saccharomyces cerevisiae by