Table 5.

Analysis of variance (p ≤ 0.1) for peroxidase reduction and total color difference in cane juice.

Response	Variation source	Sum of squares	Degrees of freedom	Mean square	F value
					Fcalc	Ftab
Peroxidase reduction 1st order	Regression	1112.0	3	370.7	13.8	3.1
	Residual	188.4	7	26.9
	Total	1300.4
	R2	0.86
Peroxidase reduction 2nd order	Regression	1356.7	2	678.3	6.2	2.73
	Residual	1536.4	14	109.7
	Total	2893.1
	R2	0.47
Total color difference 1st order	Regression	99.1	4	24.8	13.1	3.2
	Residual	11.5	6	1.9
	Total	110.6
	R2	0.90
Total color difference 2nd order	Regression	99.8	4	25.0	10.0	2.5
	Residual	29.5	12	2.5
	Total	129.3
	R2	0.77