Table 2.

Analysis of variance (ANOVA) for the fitted models of the various responses

Source	Yield		Viscosity		Lightness		Acidity		Reducing sugar		TSS
	SS	p value	SS	p value	SS	p value	SS	p value	SS	p value	SS	p value
Model	1305.4309	< 0.0001**	22,568.72	< 0.0001**	295.3533	< 0.0001**	8.881777	< 0.0001**	51,428.16	< 0.0001**	10.93617	< 0.0001**
X1: Temperature	220.0387	< 0.0001**	12.04167	0.5438 ns	0.324338	0.5492 ns	0.002017	0.7861 ns	9427.581	< 0.0001**	2.666667	< 0.0001**
X2: Time	196.4820	< 0.0001**	5370.042	< 0.0001**	276.2852	< 0.0001**	0.546017	0.0004**	956.47	0.0007**	0.201667	0.0487*
X3: Cellulase	298.4265	< 0.0001**	1683.375	< 0.0001**	3.912338	0.0503*	0.100363	0.0702 ns	363.0926	0.0186*	0.026667	0.4475 ns
X4: Pectinase	153.2676	< 0.0001**	2583.375	< 0.0001**	0.161704	0.6714 ns	0.041667	0.2283 ns	2123.461	< 0.0001**	0.666667	0.0014**
X21	66.9732	0.0005**	10,285.36	< 0.0001**	2.079003	0.1417 ns	6.471855	< 0.0001**	12,373.94	< 0.0001**	0.4725	0.0050**
X22	0.9632	0.5998 ns	28.00298	0.3585 ns	0.672324	0.3916 ns	0.43373	0.0010**	8999.429	< 0.0001**	3.986786	< 0.0001**
X23	7.4494	0.1572 ns	11.0744	0.5602 ns	1.701453	0.1809 ns	1.275268	< 0.0001**	14,015.49	< 0.0001**	1.981071	< 0.0001**
X24	2.0166	0.4508 ns	140.1458	0.0512 ns	5.875074	0.0198*	0.101227	0.0691 ns	7223.834	< 0.0001**	0.026786	0.4465 ns
X1X2	294.7231	< 0.0001**	0.5625	0.8950 ns	2.197806	0.1316 ns	0.551306	0.0004**	491.8415	0.0077**	0.4225	0.0072**
X1X3	6.2625	0.1925 ns	264.0625	0.0108*	2.949806	0.0844 ns	0.275625	0.0056**	1905.541	< 0.0001**	0.0025	0.8145 ns
X1X4	23.4014	0.0186 ns	217.5625	0.0185*	0.345156	0.5369 ns	0.008556	0.5777 ns	2596.667	< 0.0001**	0	1.0000 ns
X2X3	12.2325	0.0754 ns	189.0625	0.0264*	0.247506	0.6003 ns	0.021025	0.3864 ns	30.94141	0.4529 ns	0.1225	0.1153 ns
X2X4	3.3581	0.3328 ns	264.0625	0.0108*	0.507656	0.4552 ns	0.142506	0.0347*	2019.379	< 0.0001**	0	1.0000 ns
X3X4	8.0231	0.1428 ns	540.5625	0.0008**	0.558756	0.4338 ns	0.0529	0.1774 ns	1360.688	0.0001**	0.25	0.0305*
Residual	50.2668		468.0833		12.95924		0.396158		781.4003		0.6575
Lack of fit	31.0149	0.6399 ns	217.25	0.8782 ns	8.353642	0.5832 ns	0.346074	0.0918 ns	699.5696	0.0612 ns	0.449167	0.4977 ns
Pure error	19.25188		250.8333		4.6056		0.050083		81.83075		0.208333
Cor. total	1355.698		23,036.8		308.3126		9.277935		52,209.56		11.59367
R2	0.962881		0.979681		0.957967		0.957301		0.985033		0.943288
Adjusted R2	0.928236		0.960717		0.918737		0.917449		0.971065		0.890357
Predicted R2	0.84755		0.930001		0.822424		0.777374		0.920563		0.750967
Adequacy Precision	23.22516		28.56515		20.64924		17.06782		24.41392		19.58893

SS sum of squares, ns non significant

**Significant at α = 0.01; *significant at α = 0.05