Hepatoprotective and Antiviral Efficacy of Acacia mellifera Leaves Fractions against Hepatitis B Virus

Table 4

Free radical scavenging and total antioxidant activities of A. mellifera (AM) five fractions.

AM fractions	Radical scavenging activity (%); (DPPH)				Total antioxidant activity (%); (BCBT)
	25 (µg/mL)	50 (µg/mL)	100 (µg/mL)	500 (µg/mL)	500 (µg/mL)
Hexane	—^**	—	4.017 ± 0.07^*	6.83 ± 0.05	55.51 ± 0.98
Dichloromethane	8.97 ± 1.24	10.15 ± 1.15	27.90 ± 1.87	44.39 ± 0.04	69.75 ± 1.12
Ethyl acetate	30.00 ± 0.04	44.167 ± 1.03	65.83 ± 1.08	86.66 ± 1.81	78.16 ± 1.03
n-Butanol	20.51 ± 1.34	38.20 ± 0.07	62.53 ± 0.42	77.50 ± 0.14	72.33 ± 0.81
Aqueous	—	0.67 ± 0.05	7.25 ± 0.02	38.87 ± 1.06	62.30 ± 0.57
Ascorbic acid	90.97 ± 0.07	92.13 ± 0.28	92.15 ± 0.06	92.40 ± 0.32	—
Gallic acid	—	—	—	—	87.12 ± 1.05

^* Mean ± standard error of mean (SEM) for triplicate experiments.
^**Not available.