Table 1.
Concentrations and acyl combinations of DG and TG species in human feces from 20 different samples. Data based on a single measurement of the individual samples and acyl combinations were derived from MS2 spectra
| Compound | [M+NH4]+m/z | Mean ± standard deviation (nmol/mg dw)* | Median | Min | Max | Acyl combinations |
|---|---|---|---|---|---|---|
| DG 26:0 | 502.447 | 0.139 ± 0.348 | 0.004 | n.d. | 1.401 | DG 12:0_14:0 |
| DG 28:0 | 530.478 | 0.080 ± 0.214 | 0.002 | n.d. | 0.919 | DG 12:0_16:0 |
| DG 14:0_14:0 | ||||||
| DG 30:0 | 558.509 | 0.106 ± 0.322 | 0.008 | n.d. | 1.454 | DG 12:0_18:0 |
| DG 14:0_16:0 | ||||||
| DG 34:3 | 608.525 | 0.428 ± 0.660 | 0.240 | n.d. | 2.808 | DG 16:0_18:3 |
| DG 34:2 | 610.541 | 1.865 ± 1.856 | 0.994 | 0.045 | 6.198 | DG 16:0_18:2 |
| DG 34:1 | 612.556 | 0.776 ± 0.711 | 0.503 | 0.068 | 2.417 | DG 16:0_18:1 |
| DG 36:5 | 632.525 | 1.254 ± 1.922 | 0.726 | 0.002 | 8.481 | DG 18:2_18:3 |
| DG 36:4 | 634.541 | 7.305 ± 8.349 | 4.302 | 0.053 | 32.355 | DG 18:2_18:2 |
| DG 18:1_18:3 | ||||||
| DG 36:3 | 636.556 | 4.371 ± 4.513 | 2.452 | 0.042 | 14.508 | DG 18:1_18:2 |
| DG 36:2 | 638.572 | 3.632 ± 4.283 | 2.564 | 0.074 | 17.947 | DG 18:1_18:1 |
| DG 18:0_18:2 | ||||||
| TG 48:0 | 824.770 | 0.042 ± 0.104 | 0.010 | n.d. | 0.491 | TG 16:0_16:0_16:0 |
| TG 50:3 | 846.755 | 0.475 ± 0.465 | 0.445 | 0.018 | 1.008 | TG 16:0_16:1_18:2 |
| TG 50:2 | 848.770 | 0.141 ± 0.253 | 0.072 | 0.003 | 1.150 | TG 16:0_16:0_18:2 |
| TG 16:0_16:1_18:1 | ||||||
| TG 50:1 | 850.786 | 0.083 ± 0.116 | 0.032 | 0.006 | 0.430 | TG 16:0_16:0_18:1 |
| TG 50:0 | 852.801 | 0.164 ± 0.466 | 0.031 | n.d. | 2.088 | TG 16:0_16:0_18:0 |
| TG 52:5 | 870.755 | 0.105 ± 0.143 | 0.045 | n.d. | 0.566 | TG 16:1_18:2_18:2 |
| TG 16:0_18:2_18:3 | ||||||
| TG 52:4 | 872.770 | 0.841 ± 1.284 | 0.494 | n.d. | 5.869 | TG 16:0_18:2_18:2 |
| TG 16:1_18:1_18:1 | ||||||
| TG 52:3 | 874.786 | 0.487 ± 0.901 | 0.174 | n.d. | 3.666 | TG 16:0_18:1_18:2 |
| TG 52:2 | 876.801 | 0.459 ± 0.892 | 0.127 | 0.009 | 3.465 | TG 16:0_18:1_18:1 |
| TG 16:0_18:0_18:2 | ||||||
| TG 53:4 | 886.786 | 0.269 ± 0.270 | 0.234 | 0.005 | 0.624 | TG 17:1_18:1_18:2 |
| TG 54:9 | 890.723 | 0.078 ± 0.160 | 0.003 | n.d. | 0.641 | TG 18:3_18:3_18:3 |
| TG 54:7 | 894.755 | 0.409 ± 0.528 | 0.080 | n.d. | 1.895 | TG 18:2_18:2_18:3 |
| TG 54:6 | 896.770 | 1.238 ± 1.721 | 0.684 | n.d. | 7.388 | TG 18:0_18:3_18:3 |
| TG 18:1_18:2_18:3 | ||||||
| TG 18:2_18:2_18:2 | ||||||
| TG 54:5 | 898.786 | 1.174 ± 1.886 | 0.599 | 0.003 | 7.875 | TG 18:1_18:2_18:2 |
| TG 54:4 | 900.801 | 1.175 ± 2.250 | 0.422 | 0.003 | 8.988 | TG 18:1_18:1_18:2 |
| TG 18:0_18:1_18:3 | ||||||
| TG 54:3 | 902.817 | 1.523 ± 3.239 | 0.294 | 0.008 | 11.560 | TG 18:1_18:1_18:1 |
| TG 18:0_18:1_18:2 |