Based on total sugar concentration and inhibitor concentration,
120 C was chosen as the optimum hydrolysis temperature.
It was reported that at fixed acid concentration and reaction
time, glucose concentration decreased when temperature is higher
than the optimum temperature due to the degradation of glucose
(Palmarola-Adrados et al., 2005). Similar results was obtained
when G. amansii (a macroalgae) was used in the sulfuric acid catalyzed
hydrolysis (Jeong et al., 2012).