Table 9. Pearson’s coefficients of the studied variables in different treated samples

Variable	CT	HT	SCT 1	SCT 2	SCT 3	SCT 4	SCT 5	SCT 6	SCT 7
CIE L* value
CIE a* value	–0.629	–0.533	0.980**	0.947*	0.354	–0.938*	0.334	0.988**	0.618
CIE b* value	–0.873	0.287	0.785	0.949*	0.100	–0.069	0.612	0.841	0.814
TBARS value	0.845	–0.755	–0.623	–0.917*	0.478	0.031	–0.342	–0.898*	–0.642
Heme iron content	–0.839	–0.053	0.811	0.756	–0.519	–0.232	0.017	0.987**	0.447
Non-heme iron content	–0.119	–0.385	0.693	0.766	0.042	–0.333	–0.191	0.950*	0.688
Metmyoglobin content	–0.820	0.118	0.900*	0.916*	–0.660	–0.187	0.503	0.861	0.404
CIE a* value
CIE b* value	0.741	–0.457	0.677	0.815	0.933*	0.342	0.816	0.882*	0.703
TBARS value	–0.508	0.508	–0.540	–0.760	–0.443	–0.181	–0.071	–0.932*	–0.669
Heme iron content	0.900*	0.129	0.733	0.786	0.217	0.435	0.589	0.997**	0.456
Non-heme iron content	–0.167	0.129	0.562	0.570	0.923*	0.631	0.732	0.948*	0.993**
Metmyoglobin content	0.915*	0.194	0.801	0.743	0.305	0.480	0.864	0.882*	0.723
CIE b* value
TBARS value	–0.932*	–0.791	–0.917*	–0.92*	–0.641	–0.879*	–0.591	–0.930*	–0.960**
Heme iron content	0.782	0.807	0.907*	0.553	0.549	0.953*	0.737	0.882*	0.649
Non-heme iron content	0.130	0.726	0.785	0.861	0.992**	0.782	0.465	0.890*	0.719
Metmyoglobin content	0.758	0.747	0.909*	0.953*	0.514	0.969**	0.970**	0.786	0.838
TBARS value
Heme iron content	–0.661	–0.571	–0.918*	–0.752	–0.770	–0.950*	–0.556	–0.949*	–0.765
Non-heme iron content	–0.015	–0.299	–0.707	–0.881*	–0.610	–0.415	–0.079	–0.831	–0.653
Metmyoglobin content	–0.615	–0.650	–0.775	–0.992**	–0.970**	–0.786	–0.552	–0.958*	–0.938*
Heme iron content
Non-heme iron content	–0.270	0.920*	0.884*	0.504	0.536	0.656	0.415	0.930*	0.418
Metmyoglobin content	0.997**	0.967**	0.932*	0.669	0.729	0.920*	0.694	0.912*	0.695
Non-heme iron content
Metmyoglobin content	–0.249	0.795	0.925*	0.892*	0.506	0.865	0.655	0.709	0.676

UT: untreatment (control); HT: heat treatment (40°C for 2 h); SCT: supercritical CO₂ treatment (1, 35°C/17.2 MPa/2 h; 2, 40°C/17.2 MPa/2 h; 3, 45°C/17.2 MPa/2 h; 4, 40°C/17.2 MPa/0.5 h; 5, 40°C/17.2 MPa/1 h; 6, 40°C/13.8 MPa/2 h; 7, 40°C/20.7 MPa/2 h).
p<0.05;
p<0.01.
TBARS, thiobarbituric acid-reactive substances.