Table I.

Second-order rate constants for reactions between hydroxyl radicals and various compounds

Data represent means ± sd (n = 10). ID50, 50% inhibitory dose.

CompoundID50Rate Constant
mmm−1 s−1
Galactinol3.1 ± 0.37.8 ± 0.81 × 109
Raffinose2.9 ± 0.28.4 ± 0.46 × 109
Glc6.0 ± 0.44.0 ± 0.28 × 109
Fru6.2 ± 0.43.8 ± 0.23 × 109
Suc2.7 ± 0.28.9 ± 0.68 × 109
Mannitol4.8 ± 0.25.0 ± 0.22 × 109
Pro15.0 ± 0.91.6 ± 0.09 × 109
AsA16.4 ± 1.31.5 ± 0.11 × 109
GSH3.0 ± 0.28.1 ± 0.58 × 109