Table I.

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

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

Compound	ID50	Rate Constant
	mm	m−1 s−1
Galactinol	3.1 ± 0.3	7.8 ± 0.81 × 109
Raffinose	2.9 ± 0.2	8.4 ± 0.46 × 109
Glc	6.0 ± 0.4	4.0 ± 0.28 × 109
Fru	6.2 ± 0.4	3.8 ± 0.23 × 109
Suc	2.7 ± 0.2	8.9 ± 0.68 × 109
Mannitol	4.8 ± 0.2	5.0 ± 0.22 × 109
Pro	15.0 ± 0.9	1.6 ± 0.09 × 109
AsA	16.4 ± 1.3	1.5 ± 0.11 × 109
GSH	3.0 ± 0.2	8.1 ± 0.58 × 109