ATCC 9763/YIpdAURSAd,
which secretes only AMY, and ATCC 9763/YIpdAURSGd,
which secretes only GAM1, generated almost
no ethanol whereas ATCC 9763/YIpdAURAGd, which
secretes only GA1 to hydrolyze raw starch, generated
2.3% (v/v) ethanol after 7 days (Fig. 2).