Comparison between Hyperspectral Imaging and Chemical Analysis of Polyphenol Oxidase Activity on Fresh-Cut Apple Slices

Table 2

Analysis details of the orthogonal regression.

Orthogonal fit ratio = 0.641
Parameters	PPO 60	Predicted PPO 60
Mean	31.695	31.695
Std. deviation	19.067	15.261
Variance ratio	0.640
Correlation	0.800
Intercept	6.325
Slope	0.800
Lower CL	0.597
Upper CL	1.072
Alpha	0.050