You searched for: “fermentation ethanols
fermentation ethanol (s) (noun), fermentation ethanols (pl)
The product which results from the conversion of biomass materials into alcohol in a process of enzymatic transformation by micro-organisms: Fermentation ethanol is a result of yeasts acting on organic compounds; such as, sugars.

"Enzymatic transformation" refers to a natural chemical produced by animal and plant cells which provide reactions and other processes to begin; as in, fermentation ethanol.