Measuring Antioxidant Activity in Bioorganic Samples by the Differential Oxygen Uptake Apparatus: Recent Advances

Table 3

Propagation (/M⁻¹s⁻¹) and termination (/M⁻¹s⁻¹) rate constants for the autoxidation of 1,4-cyclohexadiene in different solvents and corresponding rate constants for the reaction of PMHC with hydroperoxyl radicals (/M⁻¹s⁻¹ and ) at 30°C.

Solvent			(HOO)
CCl4	3800	5600	(1.6 ± 0.4) × 10^7	9.9 ± 3.5
PhCl	1400	630	(1.6 ± 0.1) × 10^6	8.3 ± 0.5
MeCN	350	4.3	(6.8 ± 0.7) × 10^4	2.2 ± 1.0
Dioxane	385	6.3	(1.1 ± 0.1) × 10^5	5.2 ± 0.9
THF	230	1.3	(2.5 ± 0.5) × 10^4	0.5 ± 0.1
Me2SO	160	0.017

See [15]; see [42]; see [43].