Table 4.

Amounts of 5-hydroxytryptamine (5-HT) in rat brain (n = 6).

Group	5-HT
	15 min	30 min	60 min	120 min
Normal group	405.14 ± 47.76a–e,*	377.31 ± 70.00a,b,**,d,e,*	397.69 ± 44.62a–e,*	415.04 ± 64.10a–e,*
Model group	286.61 ± 39.56f,*	263.87 ± 16.27c,**,f,*	249.37 ± 46.33f,*	243.67 ± 22.50a,b,c,**,f,*
Positive group	301.07 ± 33.50f,*	296.47 ± 39.31f,*	280.92 ± 33.00f,*	296.49 ± 40.15f,*
LC–GE (1:3) group	276.97 ± 46.80f,*	308.52 ± 52.42f,**	276.75 ± 45.33f,*	306.55 ± 64.07d,**,f,*
LC–GE (2:3) group	295.81 ± 78.51f,*	307.78 ± 29.49f,**	294.50 ± 49.86f,*	307.86 ± 55.61d,**,f,*
LC–GE (4:3) group	291.65 ± 17.05f,*	324.57 ± 29.01d,**	312.25 ± 41.71d,**,f,*	308.58 ± 33.68d,**,f,*

Data are presented as (ng/g), mean ± standard deviation.

^*p < 0.01.

^**p < 0.05.

5-HT = 5-hydroxytryptamine; LC–GE = Ligusticum chuanxiong–Gastrodia elata.

^aStatistically significant, other groups vs. LC-GE (1:3) group.

^bStatistically significant, other groups vs. LC-GE (2:3) group.

^cStatistically significant, other groups vs. LC-GE (4:3) group.

^dStatistically significant, other groups vs. model group.

^eStatistically significant, other groups vs. positive group.

^FStatistically significant, other groups vs. normal group.