. 2022 Dec 31;21(1):35. doi: 10.3390/md21010035

Table 3.

Antioxidant activities of the extracts of Cystoseira abies-marina.

Sample	DPPH		ABTS		TPC
Sample	% AA *	EC₅₀ µg/mL	% AA *	EC₅₀ µg/mL	μg GAE/mg **
UAE-1	33.5 ± 0.41	>250 ^a	58.6 ± 0.39	236.1 ± 0.12 ^a	13.24 ± 0.05 ^a
UAE-2	40.2 ± 0.55	>250 ^a	68.2 ± 0.37	191.1 ± 0.88 ^b	17.31 ± 0.31 ^b
UAE-3	32.6 ± 0.74	>250 ^a	56.8 ± 0.89	244.1 ± 0.61 ^c	15.89 ± 0.15 ^c
UAE-4	11.9 ± 0.99	>250 ^a	37.9 ± 0.12	>250 ^d	9.87 ± 0.02 ^d
UAE-5	0	>250 ^a	0	>250 ^d	4.65 ± 0.03 ^e
UAE-6	0	>250 ^a	0	>250 ^d	5.25 ± 0.01 ^f
UAE-7	0	>250 ^a	10.1 ± 0.50	>250 ^d	5.55 ± 0.02 ^g
UAE-8	36.8 ± 1.01	>250 ^a	46.1 ± 0.98	>250 ^d	9.90 ± 0.07 ^d
UAE-9	40.7 ± 0.15	>250 ^a	56.9 ± 0.63	240.5 ± 0.39 ^e	12.13 ± 0.01 ^h
UAE-10	33.8 ± 0.69	>250 ^a	61.2 ± 0.87	180.2 ± 0.85 ^f	18.96 ± 0.09 ⁱ
UAE-11	34.5 ± 0.21	>250 ^a	58.5 ± 0.84	233.3 ± 0.55 ^g	16.71 ± 0.15 ^j
UAE-12	29.2 ± 0.86	>250 ^a	61.0 ± 0.96	182.1 ± 0.99 ^h	14.02 ± 0.02 ^k
MAE-1	16.44 ± 0.46	>250 ^a	63.04 ± 1.0	168.74 ± 1.4 ⁱ	6.82 ± 0.06 ^l
MAE-2	26.00 ± 0.80	>250 ^a	77.45 ± 0.94	89.40 ± 0.62 ^j	9.89 ± 0.20 ^d
MAE-3	15.73 ± 0.18	>250 ^a	63.73 ± 1.6	160.69 ± 0.65 ^k	11.05 ± 0.05 ^m
MAE-4	15.18 ± 0.76	>250 ^a	61.10 ± 0.64	164.83 ± 0.66 ^l	8.68 ± 0.11 ⁿ
MAE-5	0	>250 ^a	14.37 ± 0.56	>250 ^d	1.22 ± 0.05 ^o
MAE-6	0	>250 ^a	14.33 ± 0.90	>250 ^d	4.51 ± 0.01 ^e
MAE-7	0	>250 ^a	10.67 ± 0.30	>250 ^d	0 ^g
MAE-8	0	>250 ^a	13.15 ± 0.45	>250 ^d	2.37 ± 0.01 ^q
MAE-9	22.18 ± 0.53	>250 ^a	75.72 ± 0.63	96.77 ± 0.44 ^m	13.03 ± 0.01 ^h
MAE-10	14.65 ± 0.28	>250 ^a	60.65 ± 1.7	143.07 ± 0.79 ⁿ	7.05 ± 0.01 ^l
MAE-11	6.95 ± 0.18	>250 ^a	33.93 ± 0.97	>250 ^d	5.81 ± 0.02 ^gr
MAE-12	11.74 ± 0.23	>250 ^a	52.63 ± 1.5	191.86 ± 1.1 ^b	5.99 ± 0.03 ^r
Trolox	89.7 ± 0.50	7.3 ± 0.09 ^b	87.1 ± 0.95	2.68 ± 0.08 ^o	-

* % Antioxidant activity at 250 µg/mL; ** μg Gallic acid equivalents (GAE)/mg of dried extract; In each column, different letters indicate significant differences (p < 0.05).