Table 2.

Pearson correlation coefficients among the investigated parameters.

	WL	TA	TSS	Firmness
ΔE	0.931 **	−0.924 **	0.755 *	−0.923 *
WL		−0.976 **	0.796 *	−0.934 *
TA			−0.821 *	0.928 *
TSS				−0.870 **

* correlation is significant at the 0.05 level; ** correlation is significant at the 0.01 level.