Table 3.7 The fatty acid composition of cholesteryl esters, phosphatidylcholine and phosphatidylethanolamine in the milks of some species
Fatty acid composition (wt% of the total)
Fatty acid
12:o
14:O
16:O
16: 1
18:O
18: 1
18:2
18:3
20: 3
20:4
22:6
cow Human Pig
CE PC PE CE PC PE PC PE
0.2 0.3 0.1 3.2 -
2.3 7.1 1 .o 4.8 4.5 1.1 1.8 0.4
23.1 32.2 11.4 23.8 33.7 8.5 39.9 12.4
8.8 3.4 2.7 1.5 1.7 2.4 6.3 7.3
10.6 7.5 10.3 8.0 23.1 29.1 10.3 12.3
17.1 30.1 47.0 45.7 14.0 15.8 21.8 36.2
27.1 8.9 13.5 12.4 15.6 17.7 15.9 17.8
4.2 1.4 2.3 T 1.3 4.1 1.5 1.9
0.7 1 .o 1.7 2.1 3.4 0.3 0.7
1.4 1.2 2.7 T 3.3 12.5 1.3 6.6
0.1 0.4 2.6 0.2 1.6
~
Mink Mouse
CE PC PE PC PE
0.3
1.1 1.3 0.8
25.4 26.4 20.6
4.4 1.1 1.2
14.7 20.8 29.3
35.7 31.7 27.8
13.5 17.4 19.1
2.6 2.2 0.5
- 4.5
20.3 8.9 - 2.7
30.0 18.0
13.9 19.8
22.8 17.2
- 8.9 20.0
1.8 6.3
- 8.9 20.0
Abbreviations: CE, cholesteryl esters; PC, phosphatidylcholine; PE, phosphatidylethanolamine; T, trace amount. From Christie (1995).