. 2015 May 7;13(5):2857–2874. doi: 10.3390/md13052857

Table 2.

Antioxidant capacity of carotenoids evaluated by Trolox equivalent antioxidant capacity (TEAC) and oxygen radical antioxidant capacity (ORAC) methods. Each value is expressed as the mean ± SD (n = 3).

Product	TEAC			ORAC
Product	Unitless (Slope Ratio)	(mmol Trolox/g)	References	(µM TE)
AstaxS	1.32 ± 0.15	2.21 ± 0.25 ^a	2.43 ^a [27]	1.68 ± 0.25
AstaP	4.37 ± 0.33	0.18 ± 0.01 ^b	0.1–0.25 ^b [28]	8.1 ± 1.21
AstaP	4.37 ± 0.33	0.18 ± 0.01 ^b	0.1–0.4 ^b [27]	8.1 ± 1.21
AstaCO₂	2.37 ± 0.11	3.01 ± 0.14 ^b		4.07 ± 0.61

^a Millimoles Trolox/g AstaS; ^b mmol Trolox/g extract.