Valorization of Waste Water of Rosa damascena Oil Distillation Process by Ion Exchange Chromatography

Table 2

Antioxidant activities of the extract of waste water before and after (phenolic rich fraction) loading on column.

Sample	DPPH (IC50, μg/mL)	Nitric oxide scavenging ability % (200 μg/mL)	FRAP (IC50, μg/mL)	ABTS (IC50, μg/mL)>
Waste water	226.66 ± 1.25	38.09 ± 0.02	126.03 ± 0.11	241.43 ± 0.33
Phenolic rich fraction	63.21 ± 0.90	60.36 ± 0.05	34.6 ± 0.17	50.59 ± 0.75
Quercetin	26.51 ± 0.06	—	8.69 ± 0.03	25.64 ± 0.02