Table 3.
Coefficient of variation (CV) of intra- and inter-day precision of TG species determined in five different human fecal samples by FIA-FTMS/MS analyzed in fivefold
| Triacylglycerols | Intra-day | CV (%) | Inter-day | CV (%) | |
|---|---|---|---|---|---|
| Sample | Mean (n = 5) (nmol/mg dw) | Mean (n = 5) (nmol/mg dw) | |||
| TG 50:2 | Sample 1 | 0.07 | 5.4 | 0.07 | 8.9 |
| Sample 2 | 0.13 | 10.5 | 0.14 | 15.7 | |
| Sample 3 | 4.15 | 7.1 | 4.15 | 7.4 | |
| Sample 4 | 3.50 | 10.4 | 3.17 | 9.9 | |
| Sample 5 | 0.19 | 97.3 | 0.11 | 118.3 | |
| TG 50:1 | Sample 1 | 0.17 | 1.9 | 0.18 | 12.1 |
| Sample 2 | 0.07 | 18.5 | 0.07 | 20.4 | |
| Sample 3 | 1.26 | 5.8 | 1.26 | 5.9 | |
| Sample 4 | 1.01 | 10.5 | 0.92 | 9.9 | |
| Sample 5 | 0.06 | 69.9 | 0.04 | 82.1 | |
| TG 50:0 | Sample 1 | 0.22 | 10.5 | 0.24 | 20.1 |
| Sample 2 | 0.05 | 14.9 | 0.05 | 14.1 | |
| Sample 3 | n.d. | n.d. | n.d. | - | |
| Sample 4 | n.d. | n.d. | n.d. | - | |
| Sample 5 | 0.10 | 7.4 | 0.10 | 9.9 | |
| TG 52:5 | Sample 1 | n.d. | n.d. | n.d. | - |
| Sample 2 | 0.11 | 7.3 | 0.11 | 10.7 | |
| Sample 3 | 3.41 | 7.8 | 3.49 | 11.9 | |
| Sample 4 | 2.10 | 8.9 | 1.91 | 8.5 | |
| Sample 5 | n.d. | n.d. | n.d. | - | |
| TG 52:4 | Sample 1 | 0.32 | 5.9 | 0.32 | 14.2 |
| Sample 2 | 0.82 | 7.6 | 0.84 | 11.6 | |
| Sample 3 | 27.90 | 6.9 | 27.76 | 7.8 | |
| Sample 4 | 20.26 | 9.4 | 18.36 | 9.0 | |
| Sample 5 | 1.25 | 87.4 | 0.66 | 116.8 | |
| TG 52:3 | Sample 1 | 0.39 | 9.0 | 0.41 | 16.2 |
| Sample 2 | 0.44 | 13.5 | 0.46 | 13.4 | |
| Sample 3 | 18.36 | 5.1 | 18.30 | 5.9 | |
| Sample 4 | 65.61 | 10.4 | 59.35 | 10.1 | |
| Sample 5 | 0.35 | 23.6 | 0.37 | 140.5 | |
| TG 52:2 | Sample 1 | 1.04 | 11.1 | 1.09 | 14.8 |
| Sample 2 | 0.21 | 10.5 | 0.22 | 13.5 | |
| Sample 3 | 9.74 | 4.9 | 9.77 | 6.0 | |
| Sample 4 | 45.75 | 10.8 | 41.29 | 10.5 | |
| Sample 5 | 0.35 | 92.8 | 0.18 | 129.3 | |
| TG 54:7 | Sample 1 | n.d. | n.d. | n.d. | - |
| Sample 2 | 0.24 | 7.1 | 0.24 | 9.8 | |
| Sample 3 | 14.67 | 8.6 | 15.10 | 14.7 | |
| Sample 4 | 0.21 | 13.9 | 0.19 | 13.4 | |
| Sample 5 | n.d. | n.d. | n.d. | - | |
| TG 54:6 | Sample 1 | 0.35 | 6.0 | 0.38 | 28.8 |
| Sample 2 | 1.24 | 9.7 | 1.27 | 11.0 | |
| Sample 3 | 51.78 | 5.6 | 51.45 | 6.7 | |
| Sample 4 | 20.86 | 9.2 | 18.89 | 8.9 | |
| Sample 5 | 1.40 | 74.4 | 0.77 | 104.8 | |
| TG 54:5 | Sample 1 | 0.82 | 9.5 | 0.85 | 18.9 |
| Sample 2 | 1.41 | 10.9 | 1.45 | 10.9 | |
| Sample 3 | 52.48 | 4.1 | 52.47 | 5.6 | |
| Sample 4 | 106.95 | 10.4 | 96.83 | 10.0 | |
| Sample 5 | 1.85 | 102.5 | 0.92 | 146.0 | |
| TG 54:4 | Sample 1 | 1.83 | 11.6 | 1.89 | 15.3 |
| Sample 2 | 0.93 | 11.0 | 0.96 | 11.6 | |
| Sample 3 | 37.41 | 4.1 | 37.39 | 5.7 | |
| Sample 4 | 175.39 | 10.5 | 146.61 | 26.1 | |
| Sample 5 | 0.65 | 28.9 | 0.66 | 147.5 | |
| TG 54:3 | Sample 1 | 4.78 | 11.3 | 4.91 | 14.2 |
| Sample 2 | 0.44 | 12.0 | 0.46 | 12.8 | |
| Sample 3 | 18.69 | 4.2 | 18.72 | 5.8 | |
| Sample 4 | 248.23 | 12.4 | 225.33 | 11.5 | |
| Sample 5 | 0.6 | 88.8 | 0.29 | 131.0 |