Correlation between antibutyrylcholinesterasic and antioxidant activities of three aqueous extracts from Tunisian Rhus pentaphyllum

Table 4 DPPH free-radical scavenging activity of extracts from Rhus pentaphyllum

Extracts	Concentration (μg/ml)	% Inhibition	IC₅₀ (μg/ml)
Seeds aqueous extract	1	44.34 ± 2.30*	2.71
	3	53.45 ± 1.02*
	10	66.90 ± 1.10*
	30	80.51 ± 2.80**
	100	92.12 ± 2.11**
Leaves aqueous extract	1	39.45 ± 0.91	2.91
	3	50.45 ± 0.75*
	10	64.31 ± 1.50*
	30	79.50 ± 2.80*
	100	88.11 ± 2.55**
Roots aqueous extract	1	12.12 ± 0.80	10.10
	3	34.51 ± 1.35
	10	49.51 ± 2.10
	30	63.67 ± 1.12*
	100	70.11 ± 3.11*
^(a) α-Tocopherol (positive control)	1	30 ± 2.1	3
	3	50 ± 1.3
	10	97.3 ± 1.8**
	30	98 ± 1.3**
	100	98.7 ± 2.2**

Significant difference obtained with: *P < 0.05: **P < 0.01,
The reported comparisons concern: Seeds aqueous extract versus roots aqueous extract, leaves aqueous extract versus roots aqueous extract and control^(a) versus roots aqueous extract. Every concentration is compared with its equivalent in the other extract.

ISSN: 1476-0711