It is evident that enzymatic hydrolysis of PPW liberates a higher
amount of fermentable reducing sugar compared to hydrochloric
acidic hydrolysis. The enzyme combination featuring the highest
release of reducing sugar, was (g) Ternamyl 0.24 KNU + Viscozyme
12 FBGU + Celluclast 1% with 18.48 g L1.With this combination, at
the end of fermentation the reducing sugars were 1.93 g L1.
Therefore, the sugars consumed were 16.55 g L1. Ethanol production
was 7.58 g L1 and ethanol yield corresponded to 91.6% the
max theoretical yield.