Table 1.

Relative scavenging rate constants of OOH radicals by carotenoids and their GA complexes (k/k_ST) in DMSO. E_1/2 is the redox potential of carotenoids (in Volts vs. SCE) referenced to ferrocene. [17,59].

[GA], mM	β-Carotene	Canthaxanthin	7-apo-7,7-Dicyano-β-carotene
	(E1/2 = 0.634 V)	(E1/2 = 0.765 V)	(E1/2 = 0.825 V)
0	0.5	2	7
0.5	0.5	59	133