Table 1 Total polyphenol and flavonoid contents of extracts from Stachys sieboldii Miq. (mg/g)

Extraction solvent	Total polyphenols	Flavonoids
Water	10.03±0.081)c2)	0.63±0.01c
Ethanol	26.24±0.34d	3.22±0.07d
Butanol	37.25±0.49e	5.21±0.08e
Chloroform	9.30±0.31b	0.49±0.03b
Hexane	7.18±0.13a	0.21±0.01a

All values are mean SD (n=3).
^a-eMeans with different superscripts within the same column are significantly different by Duncan’s multiple range test (p<0.05).