Table 6. Regression analysis of Opuntia humifusa stem by hydrolysis conditions

Response1)	F-Ratio
	Enzyme concentration	Reaction time
Total yield	11.27*2)	1.58
TDF content	15.12*	56.53***
SDF content	8.49*	22.68**
IDF content	0.23	9.72*

TDF, total dietary fiber; SDF, water-soluble dietary fiber; IDF, water-insoluble dietary fiber.
^*p<0.05, ^**p<0.01, ^***p<0.001.