Biochemical, Oxidative, and Lipolytic Changes during Vacuum-Packed Storage of Dry-Cured Loin: Effect of Chestnuts Intake by Celta Pigs
Table 1
General composition and fatty acids of the experimental diets: chestnut, mixed, and concentrate.
Chestnut
Chestnuts-concentrate
Concentrate
Energy (kcal/100 g)
275.5
343.1
456.6
Composition (g/100 g)
Dry matter
51.9
66.0
89.5
Crude protein
4.20
8.40
15.3
Ethereal extract
3.30
3.90
4.90
Crude fibre
2.00
3.00
4.60
Starch
32.0
34.9
39.7
Ash
1.30
3.20
6.30
Fatty acids (mg/100 g)
C12
1.23 ± 0.04
3.18 ± 0.05
6.99 ± 0.06
C14
3.63 ± 0.11
20.0 ± 0.14
52.4 ± 0.19
C14:1n-5
0.04 ± 0.01
0.10 ± 0.01
0.21 ± 0.02
C15
2.35 ± 0.02
3.68 ± 0.02
6.12 ± 0.00
C15:1
1.00 ± 0.01
1.10 ± 0.01
1.22 ± 0.03
C16
501 ± 1.25
714 ± 0.92
1097 ± 0.37
C16:1n-7
12.0 ± 0.03
32.2 ± 0.12
71.8 ± 0.26
C17
3.20 ± 0.01
7.66 ± 0.09
16.3 ± 0.24
C17:1
1.86 ± 0.02
4.30 ± 0.05
9.03 ± 0.08
C18
32.5 ± 0.31
174 ± 0.22
454 ± 0.08
C18:1n-9
911 ± 3.37
1073 ± 2.32
1317 ± 0.57
C18:2n-6
1510 ± 0.61
1475 ± 1.65
1272 ± 3.37
C18:3n-6
2.50 ± 0.04
2.62 ± 0.06
2.66 ± 0.08
C18:3n-3
190 ± 5.58
173 ± 3.58
122 ± 0.24
C20
7.54 ± 0.09
7.33 ± 0.07
6.26 ± 0.04
C20:1n-9
12.9 ± 0.24
15.3 ± 0.19
19.0 ± 0.09
C20:2n-6
1.59 ± 0.15
3.24 ± 0.22
6.41 ± 0.34
C20:3n-6
1.28 ± 0.01
1.52 ± 0.03
1.88 ± 0.06
C20:4n-6
0.37 ± 0.10
1.82 ± 0.13
4.69 ± 0.20
C20:3n-3
0.53 ± 0.51
1.08 ± 0.44
2.15 ± 0.31
C20:5n-3
0.43 ± 0.10
0.99 ± 0.08
2.09 ± 0.05
C22
7.43 ± 0.08
7.63 ± 0.07
7.40 ± 0.07
C22:1n-9
2.40 ± 0.25
3.28 ± 0.57
4.82 ± 1.09
C22:2n-6
85.6 ± 3.31
188 ± 3.81
385 ± 4.63
C23
1.61 ± 0.07
9.75 ± 0.14
25.9 ± 0.27
C24
4.90 ± 0.22
4.18 ± 0.73
2.29 ± 1.57
C24:1n-9
0.32 ± 0.09
0.65 ± 0.19
1.27 ± 0.36
∑SFA
566 ± 1.23
951 ± 0.89
1675 ± 0.33
∑UFA
2734 ± 1.23
2977 ± 0.89
3225 ± 0.33
∑MUFA
941 ± 3.31
1129 ± 2.67
1425 ± 1.60
∑PUFA
1793 ± 2.08
1847 ± 2.03
1800 ± 1.93
∑SFA: sum of saturated fatty acids; ∑UFA: sum of unsaturated fatty acids; ∑MUFA: sum of monounsaturated fatty acids; ∑PUFA: sum of polyunsaturated fatty acids; 5 kg of chestnuts/animal and day. (1.5 kg of commercial compound feed + 2.5 kg of chestnuts)/animal and day. 3 kg of commercial compound feed/animal and day.
