Table 3.

(A–B) Correlation values between physicochemical properties (pH, K and p values) and sensory attribute (overall) of trout fillets during storage

	pH0	pH3	pH6	pH9	pH12	pH15
(A)
Overall 0
Pearson correlation	0.000	0.333	0.406	0.314	0.393	0.510
Sig. (2-tailed)	1.000	0.421	0.318	0.449	0.335	0.196
Overall 3
Pearson correlation	− 0.119	− 0.060	− 0.141	− 0.238	− 0.166	− 0.185
Sig. (2-tailed)	0.779	0.888	0.738	0.570	0.694	0.661
Overall 6
Pearson correlation	0.229	− 0.852**	− 0.865**	− 0.923**	− 0.795*	− 0.878**
Sig. (2-tailed)	0.585	0.007	0.006	0.001	0.018	0.004
Overall 9
Pearson correlation	0.237	− 0.912**	− 0.954**	− 0.964**	− 0.967**	− 0.989**
Sig. (2-tailed)	0.572	0.002	0.000	0.000	0.000	0.000
Overall 12
Pearson correlation	0.404	− 0.902**	− 0.879**	− 0.897**	− 0.825*	− 0.820*
Sig. (2-tailed)	0.321	0.002	0.004	0.003	0.012	0.013
Overall 15
Pearson correlation	0.249	− 0.877**	− 0.905**	− 0.876**	− 0.947**	− 0.916**
Sig. (2-tailed)	0.553	0.004	0.002	0.004	0.000	0.001

	PV0	PV3	PV6	PV9	PV12	PV15
(B)
Overall 0
Pearson correlation	− 0.109	0.477	0.555	0.556	0.505	0.369
Sig. (2-tailed)	0.797	0.232	0.153	0.152	0.202	0.369
Overall 3
Pearson correlation	0.049	− 0.230	− 0.065	− 0.016	− 0.116	− 0.225
Sig. (2-tailed)	0.908	0.583	0.878	0.969	0.784	0.592
Overall 6
Pearson correlation	− 0.379	− 0.898**	− 0.809*	− 0.813*	− 0.849**	− 0.878**
Sig. (2-tailed)	0.355	0.002	0.015	0.014	0.008	0.004
Overall 9
Pearson correlation	− 0.391	− 0.986**	− 0.918**	− 0.931**	− 0.965**	− 0.961**
Sig. (2-tailed)	0.338	0.000	0.001	0.001	0.000	0.000
Overall 12
Pearson correlation	− 0.558	− 0.871**	− 0.877**	− 0.885**	− 0.902**	− 0.952**
Sig. (2-tailed)	0.150	0.005	0.004	0.003	0.002	0.000
Overall 15
Pearson correlation	− 0.422	− 0.916**	− 0.931**	− 0.941**	− 0.960**	− 0.951**
Sig. (2-tailed)	0.298	0.001	0.001	0.000	0.000	0.000

	K0	K3	K6	K9	K12	K15
(C)
Overall 0
Pearson correlation	− 0.251	0.366	0.397	0.345	0.406	0.355
Sig. (2-tailed)	0.548	0.373	0.330	0.403	0.319	0.388
Overall 3
Pearson correlation	− 0.438	− 0.174	− 0.328	− 0.283	− 0.232	− 0.205
Sig. (2-tailed)	0.277	0.681	0.428	0.497	0.580	0.627
Overall 6
Pearson correlation	0.197	− 0.818*	− 0.897**	− 0.902**	− 0.857**	− 0.831*
Sig. (2-tailed)	0.640	0.013	0.003	0.002	0.007	0.011
Overall 9
Pearson correlation	0.009	− 0.923**	− 0.977**	− 0.972**	− 0.968**	− 0.961**
Sig. (2-tailed)	0.983	0.001	0.000	0.000	0.000	0.000
Overall 12
Pearson correlation	0.119	− 0.814*	− 0.927**	− 0.874**	− 0.790*	− 0.828*
Sig. (2-tailed)	0.779	0.014	0.001	0.005	0.020	0.011
Overall 15
Pearson correlation	− 0.130	− 0.908**	− 0.933**	− 0.891**	− 0.894**	− 0.896**
Sig. (2-tailed)	0.759	0.002	0.001	0.003	0.003	0.003

*Correlation is significant at the 0.05 level (2-tailed)

**Correlation is significant at the 0.01 level (2-tailed)