and SAN Extra L (glucoamylase from Aspergillus niger with declared activity of 400 glucoamylase units per gram) and, mentioned above, Neutrase 0.8 L.Commercial active dry yeast Saccharomyces cerevisiae Ethanol
Red (Fermentis, France) was used as production inoculum, it contained over 20 Â 109 of living cells per gram as declared by themanufacturer. Prior to inoculation the yeast were rehydrated insterile distilled water (1 g of yeast preparation in 10 mL of water) at 30 °C for 0.5 h with regular agitation.