Table 2.
Incremental AUC (after subtracting the postabsorptive value) calculated for the first 4 (0–4 h AUC) and last 4 h (4–8 h AUC) of the postprandial period
| 0-4 h AUC |
4-8 h AUC |
|||||
|---|---|---|---|---|---|---|
| Young | Elderly | P Value | Young | Elderly | P Value | |
| TG, mg·dl−1·h | 60 ± 14 | 85 ± 15 | 0.13 | 6 ± 17 | 67 ± 23 | 0.03 |
| FFAt, mmol·l−1·h | 0.7 ± 0.1 | 1.0 ± 0.3 | 0.27 | 1.1 ± 0.2 | 1.5 ± 0.3 | 0.34 |
| FFAi, mmol·l−1·h | 0.6 ± 0.3 | 1.0 ± 0.2 | 0.24 | 1.0 ± 0.2 | 1.8 ± 0.2 | 0.03 |
| 3-HB, μmol·l−1·h | 274 ± 90 | 500 ± 121 | 0.17 | 655 ± 93 | 946 ± 95 | 0.05 |
Values are means ± SE.
AUC, area under the curve; TG, plasma triglycerides; FFAt, total plasma free fatty acids; FFAi, plasma free fatty acids originating from the ingested fat; 3-HB, plasma 3-hydroxybutyrate.