Enteromorpha compressa Exhibits Potent Antioxidant Activity

Table 3

Antioxidant activity (%) of different extracts from Enteromorpha compressa using DPPH method after 30 min at 100 and 200 μg/mL.

Extracts	Seasons								LSD
	Spring		Summer		Autumn		Winter
	Conc. (μg/mL)
	100	200	100	200	100	200	100	200
Crude (ethanolic extract)	46 ± 1.6	49 ± 2.6	47 ± 3.6	50 ± 1.0	50.53 ± 3.2	55.44 ± 0.74	41.5 ± 1.5	44.5 ± 1.6	0.0325
Pet. ether	63 ± 1.3	66 ± 1.9	50.7 ± 3.90	53.7 ± 3.2	46.02 ± 1.8	55.3 ± 3.65	49.1 ± 0.7	52.1 ± 1.0	0.0325
Chloroform	75.5 ± 6.0	78 ± 4.6	44 ± 4.0	47 ± 1.6	60.6 ± 4.6	66.8 ± 4.9	40.2 ± 0.6	43.24 ± 1.0	0.0325
Ethyl acetate	79.5 ± 5.5	82.8 ± 7.8	44.3 ± 2.45	47.3 ± 1.0	32.6 ± 0.9	46 ± 1.25	49.1 ± 2.7	52.1 ± 5.0	0.0325
Water	90 ± 2.0	93 ± 7.7	45.5 ± 3.61	48.5 ± 1.7	48.8 ± 4.6	50.13 ± 0.99	40.7 ± 1.0	43.7 ± 1.7	0.0325
BHT	84 ± 2.0	88.5 ± 2.6	84 ± 1.85	88.5 ± 3.6	85 ± 4.9	88.5 ± 4.6	84 ± 2.6	88.5 ± 1.9	0.0325
LSD	0.0262	0.0262	0.0262	0.0262	0.0576	0.0668	0.0262	0.0262

Each value is presented as mean of triplet treatments; LSD: least significantly different at P ≤ 0.01 according to Duncan’s multiple range test.