Table 1.

Antioxidant activity of Chamaerops humilis extracts determined using the 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2 azino-bis(3-ethylbenzothiazloine-6-sulfonic acid) (ABTS) and ferric reducing antioxidant power (FRAP) assays

	DPPH (IC50, µg mL−1)	ABTS (µmolTE ${{\text{g}}^{-1}}_{\text{extract}}$)	FRAP (µmolTE ${{\text{g}}^{-1}}_{\text{extract}}$)
Leaves	346.08 ± 12.63d	593.23 ± 9.80b	434.34 ± 13.71c
Peel	180.97 ± 6.49b	550.08 ± 20.14b	580.29 8.07b
Pulp	325.03 ± 10.81c	351.06 ± 11.99c	369.56 ± 22.91d
Seed	81.28 ± 1.79a	1440.42 ± 49.88a	1142.46 ± 23.24a

Values are expressed as means ± SE (n = 3). Values followed by different letters are significantly different at p < 0.05. Reference in DPPH assay, BHT: IC₅₀ = 462.24 ± 0.03 μg mL⁻¹