In higher concentrations the inhibitory effect is not substantial and reduction in both growth rates and ethanol yields were minimal compared to 2-furfuraldehyde and 5-hydroxymethylfurfural.
Í hærri styrkleikum voru hindrandi áhrif sýrunnar lítil í samanburði við áhrifin frá 5-hydroxymethylfurfural og 2-furfuraldehyde.