Table 1: The levels of the factors used to optimize the degree of hydrolysis.

CodepH ( )Temperature ( , °C)E/S ( )Incubation period ( , h)

−26.0040.000.06 6.00
−16.5045.000.08 8.00
07.0050.000.1010.00
17.5055.000.1112.00
28.0060.000.1314.00