In Vitro Evaluation of Palestinian Propolis as a Natural Product with Antioxidant Properties and Antimicrobial Activity against Multidrug-Resistant Clinical Isolates

Table 4

Bioactive compounds estimations and antioxidant activities (DPPH, ABTS, and FRAP) of propolis samples.

Sample	Phenols (mg GAE/g)	Flavone and flavonol (mg QE/g)	TAC (mg AAE/g)	DPPH (IC50 = mg/mL)	ABTS (IC50 = mg/mL)	FRAP (IC50 = mg/mL)
S1	68.90 ± 0.36	26.19 ± 0.51	46.46 ± 0.39	0.15 ± 0,007	0.09 ± 0,001	0.16 ± 0.003
S2	80.79 ± 1.71	36.30 ± 0.92	74.39 ± 1.54	0.04 ± 0,001	0.20 ± 0,007	0.14 ± 0.005
S3	66.95 ± 0.59	31.20 ± 0.56	46.07 ± 0.39	0.07 ± 0,001	0.09 ± 0,022	0.10 ± 0.002
S4	24.72 ± 0.2	6.29 ± 0.41	52.63 ± 2.30	0.35 ± 0,022	0.63 ± 0,028	0.49 ± 0.006
S5	31.43 ± 1.2	7.23 ± 0.98	36.87 ± 0.33	0.14 ± 0,009	0.38 ± 0,023	0.17 ± 0.001
S6	124.94 ± 2.64	75.31 ± 1.39	80.37 ± 1.77	0.02 ± 0,001	0.03 ± 0,001	0.05 ± 0.001
S7	39.62 ± 0.38	5.85 ± 0.41	31.20 ± 0.98	0.10 ± 0,038	0.22 ± 0,015	0.21 ± 0.003
S8	9.62 ± 0.17	2.16 ± 0.37	15.21 ± 0.66	1.13 ± 0,054	0.92 ± 0,035	1.02 ± 0.02
S9	19.27 ± 0.34	8.83 ± 0.12	45.30 ± 0.97	0.77 ± 0,007	0.50 ± 0,029	0.53 ± 0.017
S10	10.56 ± 0.12	1.06 ± 0.06	14.20 ± 0.47	1.02 ± 0,071	0.47 ± 0,007	0.67 ± 0.009