Table 5.

DPPH free radical scavenging activity of ligand acids and synthesized complexes.

Compound	% Inhibition
	Dose Conc. (µM)
	15	30	60	120	240
HL1	8.74 ± 1.45	12.3 ± 1.67	23.4 ± 2.02	38.12 ± 2.11	43.00 ± 1.34
HL2	4.65 ± .04	7.41 ± 1.02	13.02 ± 1.32	19.76 ± 1.58	27.06 ± 2.21
1	17.34 ± 1.21	20.45 ± 2.10	49.76 ± 2.68	67.76 ± 2.97	78.56 ± 2.38
2	5.39 ± .68	8.10 ± 0.86	18.29 ± 1.42	26.7 ± 1.32	36.09 ± 2.13
Vit C	15.00 ± 1.34	32.88 ± 2.65	49.00 ± 1.89	72.00 ± 2.55	92.00 ± 1.91