Mineral Composition, Phenolic Content, and In Vitro Antidiabetic and Antioxidant Properties of Aqueous and Organic Extracts of Haloxylon scoparium Aerial Parts

Table 6

Results of in vitro antioxidant activity of aqueous and organic extracts of the aerial part of Haloxylon scoparium via five tests: H₂O₂, DPPH, ABTS, FRAP, and PR.

Extracts		H2O2 (%)	DPPH (IC50)	ABTS (ug E AA/mg E)	FRAP (ug E T/mg E)	PR (ug E AA/mg E)
Aqueous extracts	Decocted	16.21 ± 0.39^a	439.3 ± 7.74^a	8.20 ± 0.01^a	37.66 ± 1.29^a,g	21.89 ± 1.04^a
	Infused	8.78 ± 0.41^b.^e	518.96 ± 5.66^b	5.14 ± 0.37^a,d	27.94 ± 1.08^a,b,g	14.09 ± 0.74^a
	Macerated	4.15 ± 0.43^c	582.8 ± 14.72^c	3.99 ± 0.26^a,d	17.81 ± 3.50^b,g	6.63 ± 0.40^a
Organic extracts	Methanol	20.91 ± 0.27^d	39.63 ± 2.03^d	50.75 ± 0.72^b	163.37 ± 1.52^c	116.18 ± 8.19^b
	Macerated methanol	7.36 ± 0.09^e	57.87 ± 1.50^d,e	47.71 ± 1.21^b	124.08 ± 6.97^d	110.11 ± 7.47^b
	Ethyl acetate	7.26 ± 0.11^e	62.27 ± 1.82^d,e	39.74 ± 1.41^c	106.14 ± 5.26^e	79.27 ± 4.78^c
	Chloroform	5.84 ± 0.39^e,f	72.00 ± 1.88^e	36.99 ± 1.34^c	85.02 ± 2.96^f	59.35 ± 0.65^c
	Petroleum ether	5.76 ± 0.4^e,f,c	297.8 ± 1.15^f	1.72 ± 0.53^d	24.51 ± 0.53^g	0.96 ± 0.3^a
Reference standards	Ascorbic acid	14.35 ± 0.002^g	0.17 ± 0.02^g	—	—	—
	BHT		1.59 ± 0.13^g
	Trolox		1.75 ± 0.09^g

All results expressed are mean of three individual replicates (n = 3 ± SEM). Values with the same letter superscript in the same row are not significantly different ( < 0.05).