Table 2. EC₅₀ of Carotenoids in Figure 2 for DPPH and ABTS Radical Scavenging Assays.

	DPPH		ABTS
rank	compound	EC50 (mM)	compound	EC50 (mM)
1	2b	0.0562 ± 0.0009	1d	0.0019 ± 1.1E-5
2	2c	0.1840 ± 0.0019	2b	0.0030 ± 6.9E-5
3	2d	0.3550 ± 0.0025	2c	0.0144 ± 8.8E-5
4	1a	0.3954 ± 0.0036	1b	0.0552 ± 0.0014
5	β-carotene	0.4216 ± 0.0028	2d	0.0606 ± 0.0007
6	1b	0.4828 ± 0.0056	1a	0.0614 ± 0.0028
7	1d	0.5234 ± 0.0286	β-carotene	0.0614 ± 0.0002
8	2a	0.5987 ± 0.0028	2e	0.0616 ± 0.0021
9	1c	0.9966 ± 0.0111	2a	0.0752 ± 0.0032
10	2e	1.6313 ± 0.0182	1c	0.0849 ± 0.0010
11	β-12′-carotenal	4.1747 ± 0.2845	β-12′-carotenal	0.2017 ± 0.0101