Table 1.

Reaction rate constants for traditional hydrolysis and sweeping frequency ultrasound pretreatment

T (K)	Traditional hydrolysis		Ultrasound pretreatment
	Kt (1/min)	$R_{\mathit{Adj}}^2$	Ku (1/min)	$R_{\mathit{Adj}}^2$
293	0.0029b ± 0.0004	0.9297	0.0053a ± 0.0003 (82.76%)*	0.934
303	0.0073b ± 0.0005	0.9354	0.0086a ± 0.0002 (17.81%)*	0.9165
313	0.0096b ± 0.0009	0.9072	0.0119a ± 0.0007 (23.96%)*	0.9045
323	0.0207b ± 0.0002	0.9571	0.0251a ± 0.0003 (21.26%)*	0.9848

Values followed by different letters are significantly different at P < 0.05

The values of reaction rate constant k were compared by columns

*Increased initial reaction rates for sweeping frequency ultrasound pretreatment compared with traditional enzymatic hydrolysis