Baseline and steady state plasma isotopic enrichments on study days 1 and 2 during period A and on study days 3 and 4 during period B
| Study day | [U-13C]lysine | [2H4]lysine | ||
|---|---|---|---|---|
| Baseline | Plateau | Baseline | Plateau | |
| (mol%) | (mol%) | (mol%) | (mol%) | |
| Values are means (SD); n = 6 on study days 1 and 2 and n = 4 at study days 3 and 4. | ||||
| On study days 1 and 3 [U-13C]lysine was administered by intravenous infusion and [2H4]lysine by intragastric infusion, and on study days 2 and 4 [U-13C]lysine was given by intragastric infusion and [2H4]lysine by intravenous infusion. | ||||
| 1 | 0.0010 (0.0006) | 0.0345 (0.0042) | 0.0019 (0.0008) | 0.0201 (0.0045) |
| 2 | 0.0019 (0.0007) | 0.0315 (0.0040) | 0.0042 (0.0019) | 0.0360 (0.0067) |
| 3 | 0.0018 (0.0005) | 0.0372 (0.0100) | 0.0028 (0.0008) | 0.0324 (0.0061) |
| 4 | 0.0059 (0.0065) | 0.0362 (0.0074) | 0.0031 (0.0005) | 0.0461 (0.0094) |