Table 2.
Milk composition and percent contribution of each fatty acid.a
| Fatty acid | Nomenclature | Mean | Minimum | Max | SD |
|---|---|---|---|---|---|
| CLAb | c18:2 | 4.873 | 0.393 | 16.724 | 2.878 |
| cis9tran11 | C18:2 cis 9 trans 11 | 2.943 | 0.0063 | 7.875 | 1.433 |
| trans10 cis12 | C18:2 trans 10 cis 12 | 0.823 | 0.021 | 3.592 | 0.824 |
| Butyric acid | c4:0 | 1.349 | 0.020 | 7.272 | 1.230 |
| Caproic acid | c6:0 | 2.611 | 0.415 | 15.73 | 2.033 |
| Caprylic acid | c8:0 | 3.660 | 0.463 | 9.722 | 1.612 |
| Capric acid | c10:0 | 6.750 | 0.266 | 20.953 | 4.531 |
| Undecanoic acid | c11:0 | 1.744 | 0.159 | 17.897 | 5.429 |
| Lauric acid | c12:0 | 6.825 | 1.772 | 20.045 | 4.278 |
| Short chain fatty acid | SCFA | 13.461 | 2.239 | 33.631 | 6.818 |
| Tridecanoic acid | c13:0 | 0.5886 | 0.136 | 14.386 | 3.276 |
| Myristic acid | c14:0 | 11.770 | 0.315 | 24.881 | 3.899 |
| Myristoleic acid | c14:1 | 1.353 | 0.113 | 15.465 | 2.600 |
| Pentadecanoic acid | c15:0 | 1.667 | 0.0585 | 24.902 | 4.005 |
| cis10-pentadecenoic acid | c15:1 | 0.494 | 0.121 | 11.133 | 1.278 |
| Palmitic acid | c16:0 | 26.991 | 1.097 | 41.707 | 5.730 |
| Palmitoleic acid | c16:1 | 2.731 | 0.206 | 19.129 | 2.379 |
| Medium chain fatty acid | MCFA | 20.056 | 7.470 | 45.270 | 6.096 |
| Hepiadecanoic acid | c17:0 | 0.757 | 0.196 | 9.679 | 1.533 |
| cis-10-heptadecenoic | c17:1 | 0.832 | 0.0567 | 18.287 | 2.233 |
| Stearic acid | c18:0 | 7.665 | 0.3752 | 21.297 | 4.075 |
| Elaidic acid | c18:1n9t | 1.497 | 0.240 | 19.946 | 3.087 |
| Oleic acid | c18:1n9c | 19.088 | 0.783 | 31.947 | 6.222 |
| Linolelaidic acid | c18:2n6t | 0.735 | 0.141 | 6.778 | 1.526 |
| Gamma linolenic acid | c18:3n6 | 1.682 | 0.0754 | 7.948 | 1.089 |
| Linoleic acid | c18:2n6c | 2.423 | 0.0257 | 15.063 | 3.015 |
| Arachidic acid | c20:0 | 0.700 | 0.0957 | 13.892 | 2.532 |
| cis-11-eicosenoic acid | c20:1 | 0.735 | 0.088 | 17.937 | 2.131 |
| Linolenic acid | c18:3 n3 | 0.255 | 0.053 | 4.243 | 0.808 |
| Heneicosanoic acid | c21:0 | 0.371 | 0.055 | 11.081 | 1.841 |
| cis11,14 eicosadienoic acid | c20:2 | 0.215 | 0.102 | 2.887 | 0.878 |
| Long chain fatty acid | LCFA | 35.089 | 4.774 | 51.228 | 5.313 |
| Saturated fatty acid | SFA TOTAL | 69.595 | 43.263 | 88.053 | 5.446 |
| Mono unsaturated fatty acid | MUFA | 24.572 | 4.790 | 39.408 | 5.384 |
| Polyunsaturated fatty acid | PUFA | 3.966 | 0.592 | 18.309 | 3.593 |
| Unsaturated fatty acid | USFA | 28.502 | 10.449 | 45.741 | 5.236 |
| Unsaturated index | USFAa100/SFA | 41.595 | 12.575 | 84.303 | 10.196 |
a
Fatty acids are measured as g per 100 g of FAME
b
CLA was measured as mg per g of milk fat.