Some ambient factors affecting saccharification of pretreated water hyacinth were investigated. Enzymic
saccharification after 6 h was about 50% of that at 48 h, indicating a slow hydrolysis rate by time. Addition
of 8% glucose at the beginning of the enzymic hydrolysis decreased the saccharification to about its half
while addition of 8% ethanol brought about complete inhibition of the enzyme. Addition of cellobiase to
the reaction mixture increased cellulose conversion and saccharification by 10%.