Table 3.

Effect on rat model of focal cerebral ischemia cerebral homogenate MDA and SOD activity ($\overline{x}\pm s$).

Group	n	Dose (mg/kg)	MDA (U/mgprot)	SOD × 102 (nmol/mgprot)
Sham operation group	16		3.74 ± 0.33**	2.37 ± 0.21**
Model group	10		7.28 ± 0.59	1.53 ± 0.10
Nimodipine group	11	20	5.05 ± 0.45**	1.88 ± 0.14**
Cerebral collateral group	12	500	5.46 ± 0.83**	1.98 ± 0.21**
Large dose group of the Rabdosia rubescens total flavonoids	12	200	3.87 ± 0.33**	2.10 ± 0.12**
Middle dose group of the Rabdosia rubescens total flavonoids	12	100	4.66 ± 0.24**	2.07 ± 0.09**
Small dose group of the Rabdosia rubescens total flavonoids	11	50	5.32 ± 0.49**	1.95 ± 0.12**