Process Optimisation of Ultrasound-Assisted Extraction of Oligosaccharides from Coconut Husk

Table 3

Regression analysis of variance for all three responses.

Descriptors	Responses
	TC (Y1)	TRS (Y2)	DP (Y3)
Mean	0.1606	0.3115	0.3521
Standard deviation	0.0173	0.0365	0.0256
Percentage of coefficient of variation (%C.V.)	10.76	11.71	7.26
R-squared (R^2)	0.8728	0.8716	0.7400
Adjusted R-squared (adj-R^2)	0.8207	0.8374	0.6776
Predicted R-squared (pred-R^2)	0.7055	0.7156	0.5210
Adequate precision	15.1859	15.5013	12.8502
PRESS	0.0152	0.0442	0.0301