Table 3.
ROS-specific neutralizing capacities of B6 vitamers.
| anti-1O2 | anti-O2•− | anti-H2O2 | anti-•OH | |
|---|---|---|---|---|
| pyridoxal (PL) | 69.81 ± 6.84 | 14.47 ± 5.30 | 25.04 ± 2.78 | 42.71 ± 0.54 |
| pyridoxamine (PM) | 459.7 ± 52.19 | 0.5 ± 0.09 | 39.69 ± 7.20 | 16.21 ± 0.58 |
| pyridoxine (PN) | 5.69 ± 0.06 | 0.47 ± 0.06 | 48.17 ± 10.09 | 8.29 ± 0.65 |
| pyridoxal 5′-phosphate (PLP) | ND | 1.04 ± 0.02 | 287.90 ± 64.81 | 66.71 ± 4.45 |
Singlet oxygen (1O2), superoxide anion (O2•−), hydrogen peroxide (H2O2) and hydroxyl radical (•OH) antioxidant abilities were expressed as µM vitamer/µM Trolox equivalents. ND, non-detectable. Data represent means ± SD (n = 6–8).