Table 1.

PC loadings of FAs sorted by magnitude.

fatty acid	PC1	PC2	PC3	PC4	PC5
16 : 0b	0.868	0.125	0.110	−0.094	0.176
18 : 0b	0.824	−0.154	−0.066	−0.052	0.250
15 : 0b	0.764	0.442	−0.077	−0.113	0.304
20 : 1 (n − 9)a	−0.751	−0.327	−0.134	0.144	0.276
22 : 5 (n − 3)b	0.737	−0.103	0.011	0.523	−0.030
14 : 1 (n − 5)c	0.004	0.920	0.066	−0.016	−0.034
16 : 1 (n − 7)b	0.195	0.718	0.328	0.439	0.026
14 : 0b	0.540	0.636	0.002	−0.002	0.211
18 : 2 (n − 6)a	0.440	0.523	0.315	0.250	0.020
22 : 6 (n − 3)a	0.255	−0.500	0.446	0.007	−0.193
18 : 1 (n − 9)b	0.116	0.282	0.859	−0.079	−0.018
18 : 1 (n − 7)b	−0.053	−0.093	0.816	−0.211	0.378
16 : 4 (n − 3)a	0.213	−0.124	−0.627	−0.602	0.112
20 : 5 (n − 3)a	−0.290	−0.043	−0.148	0.749	0.064
20 : 4 (n − 6)a	0.305	0.343	−0.152	0.739	0.302
20 : 1 (n − 11)a	−0.284	−0.115	−0.151	−0.191	−0.839
eigenvalue	5.244	2.538	2.116	1.692	1.066
percentage of variance	32.8	15.9	13.2	10.6	6.7
cumulative percentage	32.8	48.6	61.9	72.4	79.1

^aFAs that are primarily from direct dietary intake.

^bFAs that can be from both dietary intake and biosynthesis.

^cFAs that are primarily from biosynthesis (based on Iverson [44]).