TABLE 2.
Fractional synthesis rate (FSR) and absolute synthesis rate (ASR) of red blood cell (RBC) glutathione and whole-body glycine and leucine flux before and after vitamin B-6 restriction1
| Normal vitamin B-6 status | Marginal vitamin B-6 deficiency | |
| FSR of RBC glutathione (%/d) | 53.7 ± 4.5 | 43.2 ± 4.1 |
| ASR of RBC glutathione (μmol · L packed red cells−1 · d−1) | 1116 ± 100 | 916 ± 92 |
| Whole-body glycine flux (μmol · kg−1 · h−1) | 448 ± 20 | 446 ± 16 |
| Whole-body leucine flux (μmol · kg−1 · h−1) | 106 ± 4 | 106 ± 7 |
1
All values are means ± SEMs; n = 13.