Storage period

Thiobarbituric acid value (TBA) mg malonaldehyde/kg sample

Control

1.5%

2.5%

3.5%

Zero time

0.92 ± 0.02^a

0.75 ± 0.15^b

0.58 ± 0.15^c

0.53 ± 0.2^d

Month

1.16 ± 0.15^a

0.97 ± 0.02^b

0.61 ± 0.015^c

0.47 ± 0.20^d

3 months

1.53 ± 0.02^a

1.3 ± 0.021^b

0.85 ± 0.15^c

0.75 ± 0.15^d

6 months

2.04 ± 0.20^a

1.84 ± 0.016^b

1.17 ± 0.20^c

0.9 ± 0.021^d

Protein

Zero time

19.67 ± 0.68^a

19.66 ± 0.03^b

19.56 ± 0.04^c

19.48 ± 0.03^d

Month

19.52 ± 0.13^a

19.48 ± 0.12^b

19.44 ± 0.13^c

19.37 ± 0.9^d

3 months

18.96 ± 0.02^a

18.86 ± 0.02^b

18.81 ± 0.03^c

18.76 ± 0.04^d

6 months

18.82 ± 0.04^a

18.75 ± 0.45^b

18.74 ± 0.12^c

18.68 ± 0.03^d

PH value

Zero time

6.94 ± 0.01^a

6.92 ± 0.01^d

6.85 ± 0.02^c

6.75 ± 0.01^d

Month

7.02 ± 0.01^a

7.02 ± 0.01^d

6.93 ± 0.15^c

6.86 ± 0.15^d

3 months

7.14 ± 0.02^a

7.11 ± 0.15^d

7.10 ± 0.38^c

7.06 ± 0.15^d

6 months

7.21 ± 0.03^a

7.16 ± 0.04^d

7.14 ± 0.15^c

7.11 ± 0.010^d