Table 2.

Determination of NOS activity results. Total Flavonoids of Mao Dongqing on cerebral ischemia–reperfusion injury in mice of the same nitrogen synthase activity in brain homogenates ($\overline{x}\pm s$).

Group	Animal (each)	Dosage (mg kg−1)	INOS (U/mgprot)	TNOS f (U/mgprot)
Sham	17	–	0.739 ± 0.098△△	2.184 ± 0.263△△
The model group	9	–	1.457 ± 0.747	4.202 ± 1.522
Nimodipine group	12	40	0.786 ± 0.129△△	2.679 ± 0.510△△
Ginaton group	12	40	0.718 ± 0.132△△	2.574 ± 0.672△△
High dose of total flavonoids of Mao Dongqing group	13	300	0.751 ± 0.106△△	2.184 ± 0.281△△
In the dose of Mao Dongqing total flavonoids group	12	150	0.998 ± 0.054△△	2.591 ± 0.140△△
A small dose of total flavonoids of Mao Dongqing group	12	75	1.175 ± 0.152	3.683 ± 0.316△

Compared with the model group, Delta P < 0.05, Delta P < 0.01.