Table 5.

Mean number of tumors observed with L. vulgaris extracts that dissolved in DMSO at 1000 mg/l and controls (DMSO and camptothecin). Means with the same letter are not significantly different at P>0.05.

	% Inhibition of DPPH Concentrations
Treatments	25 μg/ml	50 μg/ml	100 μg/ml	200 μg/ml
Ascorbic acid	62.35	97.01	97.21	96.91
NLW	96.3	97.2	97.6	97.7
NLE	94.7	95.6	96.7	98.1
NFW	91.3	94.6	94.9	95.9
NFE	95.3	96.5	97.1	98.5
NAW	94.0	94.4	94.8	95.1
NAE	94.4	94.9	95.2	95.8
IVW	80.5	84.7	85.2	91.3
IVE	62.8	63.7	65.7	61.7