Table 3.
Fatty acids (as g/100 g of fatty acids) and cholesterol of beef samples (mean ± SD).
| Fat Acid | F100 | F74 | F35 | Significance |
|---|---|---|---|---|
| C6:0 | 0.681 b ± 0.857 | 2.021 a ± 0.047 | 0.958 b ± 0.388 | 0.005 |
| C8:0 | 0.992 b ± 1.288 | 2.795 a ± 0.054 | 1.353 b ± 0.560 | 0.011 |
| C10:0 | 1.099 b ± 1.357 | 2.998 a ± 0.048 | 1.478 b ± 0.652 | 0.013 |
| C11:0 | 0.154 ± 0.046 | 0.206 ± 0.001 | 0.251 ± 0.132 | - |
| C12:0 | 0.969 b ± 1.236 | 2.714 a ± 0.042 | 1.380 b ± 0.356 | 0.016 |
| C14:0 | 3.841 a ± 0.787 | 2.436 b ± 0.002 | 3.124 ab ± 0.555 | 0.009 |
| C14:1 | 1.349 ± 0.381 | 2.720 ± 0.005 | 1.221 ± 0.735 | 0.002 |
| C15:0 | 0.728 b ± 0.592 | 0.406 a ± 0.000 | 0.746 b ± 0.208 | - |
| C16:0 | 25.376 a ± 1.191 | 22.335 b ± 0.020 | 22.645 ab ± 2.371 | 0.032 |
| C16:1 | 4.131 ± 0.931 | 3.613 ± 0.002 | 3.656 ± 0.394 | - |
| C16:1t | 0.555 b ± 0.581 | 1.615 a ± 0.026 | 0.440 b ± 0.435 | 0.002 |
| C17:0 | 1.354 a ± 0.410 | 0.866 b ± 0.002 | 1.404 a ± 0.146 | 0.008 |
| C17:1 | 0.510 b ± 0.185 | 0.650 b ± 0.003 | 1.075 a ± 0.125 | 0.000 |
| C18:0 | 16.633 a ± 5.239 | 12.433 ab ± 0.296 | 10.984 b ± 1.788 | 0.020 |
| C18:1 n9t | 2.289 b ± 1.256 | 1.275 b ± 0.009 | 4.600 a ± 0.915 | 0.000 |
| C18:1 n9c | 31.206 b ± 2.454 | 30.574 b ± 0.218 | 35.156 a ± 4.138 | 0.050 |
| C18:1 n11t | 1.075 ± 0.290 | 1.064 ± 0.014 | 1.393 ± 0.272 | - |
| C18:2 n6c | 2.973 ± 0.555 | 4.428 ± 0.015 | 4.249 ± 1.279 | - |
| C18:3 n3 | 1.058 a ± 0.428 | 0.218 b ± 0.007 | 0.398 b ± 0.182 | 0.000 |
| CLA (C18:2 9c11t) | 0.478 ± 0.173 | 0.305 ± 0.003 | 0.375 ± 0.099 | - |
| C20:3 n9 | 0.176 b ± 0.113 | 0.400 a ± 0.000 | 0.242 b ± 0.105 | 0.011 |
| C20:4 n6 | 0.678 b ± 0.548 | 1.465 a ± 0.003 | 0.878 ab ± 0.418 | 0.036 |
| C23:0 | 0.088 ± 0.042 | 0.139 ± 0.008 | 0.144 ± 0.082 | - |
| C22:2 | 0.167 b ± 0.182 | 0.419 a ± 0.011 | 0.213 b ± 0.110 | 0.021 |
| C20:5 n3 | 0.191 a ± 0.126 | 0.121 ab ± 0.001 | 0.067 b ± 0.024 | 0.025 |
| C22:5 n3 | 0.047 c ± 0.028 | 0.211 a ± 0.000 | 0.145 b ± 0.043 | 0.000 |
| C22:6 n3 | 0.099 ± 0.099 | 0.232 ± 0.003 | 0.132 ± 0.076 | - |
| SFA | 52.114 a ± 3.515 | 49.465 a ± 0.499 | 44.557 b ± 2.211 | 0.000 |
| MUFA | 41.118 b ± 2.295 | 41.515 b ± 0.182 | 47.544 a ± 3.818 | 0.003 |
| PUFA | 6.789 ± 1.549 | 9.600 ± 0.012 | 7.897 ± 2.129 | - |
| n-3 PUFA | 1.454 a ± 0.239 | 0.784 b ± 0.009 | 0.744 b ± 0.237 | 0.000 |
| n-6 PUFA | 4.046 ± 1.034 | 6.313 ± 0.030 | 5.341 ± 1.761 | - |
| n6/n3 | 2.922 b ± 1.188 | 8.046 a ± 0.134 | 7.166 a ± 0.725 | 0.000 |
| Cholesterol | 36.262 ± 0.251 | 39.043 ± 9.963 | 39.01 ± 10.934 | - |
a. b. Different letters mean statistically significant differences p < 0.05, according to Tukey’s HSD test. “-”: p-value > 0.05, statistically no significant differences, SD: standard deviation.