either alone. After 30 days of storage at 1 ◦C, the combination of 20% ethanol either with 0.5 or 1.0% potassium
sorbate was equal in efficacy to commercial SO2 generator pads in reducing the incidence of gray mold on ‘Thompson Seedless’
grapes. None of the combinations of ethanol and potassium sorbate injured the berries.