Interaction of Ziziphus mucronata subsp. mucronata Methanol Extract and First-Line Antibiotics is Synergistic In Vitro through Production of Reactive Oxygen Species

Table 3

ABTS inhibition (%) by the methanol extract of Z. mucronata.

	% inhibitions of ABTS^+ ± SD at different concentrations of the extracts
Conc.	0.02 mg/mL	0.04 mg/mL	0.06 mg/mL	0.08 mg/mL	0.1 mg/mL	IC50
ZMM	43.67 ± 0.02^e	58.6 ± 0.02^d	81.67 ± 0.03^c	92.33 ± 0.03^b	97.00 ± 0.02^a	0.023 ± 0.02
BHT	34.96 ± 0.02^e	49.2 ± 0.03^d	81.86 ± 0.02^c	91.92 ± 0.02^b	97.78 ± 0.03^a	0.041 ± 0.03
Ascorbic acid	35.23 ± 0.02^e	47.56 ± 0.02^d	78.23 ± 0.02^c	94.77 ± 0.02^b	96.89 ± 0.03^a	0.042 ± 0.02

Average ABTS scavenging activities with different superscripts along the same row are significantly different ().