Alcoholic Beverages and Vinegar Beer and ale are fermented starch 。 Malting:Germinating barley converts starch to maltose and glucose Yeast ferment sugars to ethyl alcohol +CO2 • Beer and ale are fermented starch • Malting: Germinating barley converts starch to maltose and glucose • Yeast ferment sugars to ethyl alcohol + CO2 Alcoholic Beverages and Vinegar