Table IV.

Effects of kaempferol on activity of PC-12 cells damaged by Aβ_25-35 (± SD, n = 6)

Groups	Concentration [μmol/l]	Absorbance (OD)	Cell proliferation rate (%)
Blank	–	0.614 ±0.009	100
Control	–	0.613 ±0.004**	100**
Aβ25-35	20	0.481 ±0.011**	78**
Kaempferol + Aβ25-35	10	0.465 ±0.012**	76**
	1	0.477 ±0.008**	78**
	10–1	0.568 ±0.007**##	93**##
	10–2	0.598 ±0.008##	97##
	10–3	0.577 ±0.008*##	94*##
	10–4	0.547 ±0.006**##	89**##
	10–5	0.495 ±0.027**	81**
	10–6	0.491 ±0.027**	80**

Compared with blank group, *p < 0.05 and **p < 0.01; compared with Aβ_25-35 group, ^##p < 0.01.