TABLE 2.
PCA identification of lipid species in the TG fraction
| Retention Time (min) | m/z | Lipid Species | Adduct Ion | Factor Loading | |
| First Principal Component | Second Principal Component | ||||
| 33.13 | 794.72 | TG (14:0/16:0/16:1) | [M+NH4]+ | 0.96a | −0.17 |
| 35.34 | 824.76 | TG (14:0/16:0/18:0) | [M+NH4]+ | 0.97a | 0.02 |
| 31.40 | 818.72 | TG (14:0/16:1/18:2) | [M+NH4]+ | 0.96a | −0.20 |
| 33.51 | 848.76 | TG (14:0/18:1/18:1) | [M+NH4]+ | 0.98a | −0.02 |
| 36.53 | 862.79 | TG (15:0/18:1/18:1) | [M+NH4]+ | 0.86a | −0.47 |
| 34.63 | 860.77 | TG (15:1/18:1/18:2) | [M+NH4]+ | 0.93a | −0.27 |
| 35.74 | 880.74 | TG (15:1/18:1/20:5) | [M+NH4]+ | 0.87a | 0.43 |
| 35.32 | 796.74 | TG (16:0/14:0/16:0) | [M+NH4]+ | 0.92a | −0.12 |
| 37.56 | 824.77 | TG (16:0/16:0/16:0) | [M+NH4]+ | 0.95a | 0.14 |
| 35.36 | 822.75 | TG (16:0/16:0/16:1) | [M+NH4]+ | 0.97a | 0.05 |
| 37.58 | 852.79 | TG (16:0/16:0/18:0) | [M+NH4]+ | 0.96a | 0.10 |
| 37.58 | 850.79 | TG (16:0/16:0/18:1) | [M+NH4]+ | 0.96a | 0.10 |
| 35.51 | 848.77 | TG (16:0/16:0/18:2) | [M+NH4]+ | 0.98a | 0.09 |
| 33.26 | 820.74 | TG (16:0/16:1/16:1) | [M+NH4]+ | 0.99a | −0.01 |
| 35.43 | 850.78 | TG (16:0/16:1/18:0) | [M+NH4]+ | 0.98a | 0.09 |
| 33.56 | 846.75 | TG (16:0/16:1/18:2) | [M+NH4]+ | 0.99a | 0.01 |
| 35.36 | 854.73 | TG (16:0/17:2/18:4) | [M+NH4]+ | 0.82a | 0.51 |
| 33.51 | 888.80 | TG (16:0/18:0/18:0) | [M+NH4]+ | 0.96a | 0.23 |
| 39.82 | 878.82 | TG (16:0/18:0/18:1) | [M+NH4]+ | 0.90a | −0.17 |
| 39.84 | 906.84 | TG (16:0/18:0/20:1) | [M+NH4]+ | 0.87a | −0.33 |
| 37.61 | 876.80 | TG (16:0/18:1/18:1) | [M+NH4]+ | 0.98a | 0.05 |
| 35.75 | 874.79 | TG (16:0/18:1/18:2) | [M+NH4]+ | 0.98a | 0.11 |
| 35.16 | 924.80 | TG (16:0/18:1/22:5) | [M+NH4]+ | 0.82a | −0.55 |
| 34.43 | 922.79 | TG (16:0/18:1/22:6) | [M+NH4]+ | 0.99a | −0.03 |
| 31.50 | 844.74 | TG (16:1/16:1/18:2) | [M+NH4]+ | 0.98a | −0.12 |
| 33.74 | 872.77 | TG (16:1/18:1/18:2) | [M+NH4]+ | 1.00a | 0.02 |
| 33.75 | 914.82 | TG (16:1/18:1/20:5) | [M+NH4]+ | 0.94a | 0.33 |
| 32.20 | 924.79 | TG (16:1/18:1/22:4) | [M+NH4]+ | 0.97a | −0.04 |
| 31.84 | 870.75 | TG (16:1/18:2/18:2) | [M+NH4]+ | 0.99a | −0.11 |
| 30.34 | 868.74 | TG (16:1/18:2/18:3) | [M+NH4]+ | 0.84a | −0.45 |
| 35.38 | 890.82 | TG (17:0/18:1/18:1) | [M+NH4]+ | 0.92a | 0.30 |
| 34.74 | 886.79 | TG (17:1/18:1/18:2) | [M+NH4]+ | 0.84a | −0.48 |
| 35.86 | 906.76 | TG (17:2/18:1/20:5) | [M+NH4]+ | 0.92a | 0.36 |
| 37.66 | 904.82 | TG (18:0/18:1/18:1) | [M+NH4]+ | 0.99a | 0.07 |
| 35.81 | 902.81 | TG (18:0/18:1/18:2) | [M+NH4]+ | 0.98a | 0.17 |
| 37.87 | 930.84 | TG (18:0/18:2/20:1) | [M+NH4]+ | 0.98a | 0.10 |
| 37.67 | 902.82 | TG (18:1/18:1/18:1) | [M+NH4]+ | 0.99a | 0.04 |
| 35.81 | 900.80 | TG (18:1/18:1/18:2) | [M+NH4]+ | 0.99a | 0.10 |
| 37.61 | 918.85 | TG (18:1/18:1/19:0) | [M+NH4]+ | 0.92a | 0.34 |
| 39.80 | 930.85 | TG (18:1/18:1/20:1) | [M+NH4]+ | 0.79a | −0.56 |
| 35.92 | 928.83 | TG (18:1/18:1/20:2) | [M+NH4]+ | 0.93a | 0.32 |
| 36.08 | 926.82 | TG (18:1/18:1/20:3) | [M+NH4]+ | 0.96a | −0.21 |
| 34.41 | 950.81 | TG (18:1/18:1/22:5) | [M+NH4]+ | 0.88a | −0.17 |
| 34.46 | 948.80 | TG (18:1/18:1/22:6) | [M+NH4]+ | 0.98a | −0.09 |
| 34.00 | 898.79 | TG (18:1/18:2/18:2) | [M+NH4]+ | 1.00a | 0.02 |
| 35.70 | 916.83 | TG (18:1/18:2/19:0) | [M+NH4]+ | 0.89a | 0.42 |
| 37.95 | 928.83 | TG (18:1/18:2/20:1) | [M+NH4]+ | 0.97a | −0.08 |
| 33.42 | 922.78 | TG (18:1/18:2/20:4) | [M+NH4]+ | 0.98a | −0.09 |
| 37.73 | 944.86 | TG (18:1/18:2/21:0) | [M+NH4]+ | 0.96a | 0.15 |
| 32.64 | 946.79 | TG (18:1/18:2/22:6) | [M+NH4]+ | 0.99a | −0.02 |
| 32.53 | 920.77 | TG (18:2/16:0/22:6) | [M+NH4]+ | 0.89a | −0.41 |
| 32.22 | 896.77 | TG (18:2/18:2/18:2) | [M+NH4]+ | 0.99a | −0.10 |
| 30.67 | 894.75 | TG (18:2/18:2/18:3) | [M+NH4]+ | 0.92a | −0.32 |
| 30.88 | 944.77 | TG (18:2/18:2/22:6) | [M+NH4]+ | 0.87a | −0.35 |
| 34.04 | 940.83 | TG (18:2/20:5/20:5) | [M+NH4]+ | 0.95a | 0.29 |
a
P < 0.000625 after Bonferroni adjustment.