Table 3.

DPPH radical-scavenging activity of chalcones.

Samples Dissolved in DMSO	DPPH Radical Scavenging (%) after 30 min
CA	2.09 ± 0.05
IBC	2.36 ± 0.07
XN	7.99 ± 0.05
LIC	29.24 ± 0.70
HCH	2.09 ± 0.03
(+)-catechin	94.14 ± 0.44
Samples Dissolved in MeOH	DPPH Radical Scavenging (%) after 30 min
CA	0.79 ± 0.07
IBC	0.61 ± 0.01
XN	4.34 ± 0.05
LIC	26.50 ± 0.92
HCH	0.30 ± 0.06
Samples Dissolved in MeOH	DPPH Radical Scavenging (%) after 60 min
CA	1.33 ± 0.14
IBC	1.03 ± 0.06
XN	6.72 ± 0.30
LIC	29.60 ± 0.98
HCH	0.35 ± 0.05