Status parameter | Control group (n = 20) | Food folate group (additional 250 μg folate/d) (n = 19) | Folic acid group (additional 500 μg folic acid /d) (n = 18) |
Erythrocyte folate nmol/L | |||
Day 0 | 694 ± 246 | 630 ± 177 | 614 ± 154 |
Week 8 | 704 ± 71 | 749 ± 111 | 788 ± 86 |
Week 12 | 560 ± 185 | 946 ± 128 | 912 ± 71 |
Changes from day 0 to week 12 | 132 ± 300 | 320 ± 199** | 310 ± 149** |
Plasma folate nmol/L | |||
Day 0 | 21 ± 51 | 22 ± 33 | 22 ± 32 |
Week 8 | 23 ± 4.5 | 27 ± 6.4 | 29 ± 5.8 |
Week 12 | 22 ± 4 | 34 ± 2.9 | 35 ± 3.6 |
Changes from day 0 to week 12 | 0.6 ± 5.5 | 12.11 ± 3.97** | 13.5 ± 5.4** |
Plasma total homocysteine µmol/L | |||
Day 0 | 8.4 ± 2.3 | 10.7 ± 2.0 | 9.3 ± 2.3 |
Week 8 | 9.2 ± 1.6 | 9.4 ± 1.8 | 7.4 ± 1.3 |
Week 12 | 8.5 ± 1.01 | 8.8 ± 1.7 | 6.8 ± 1.4 |
Changes from day 0 to week 12 | −0.32 ± 1.6 | −1.5 ± 1.7* | −1.7 ± 1.5* |