Table 1.

Extract yield and total flavonoids, phenolic and tannin contents from Urtica urens extracts.

Sample	Yield (%)	Flavonoids (mg quercetin/g DW)	Phenolics (mg GAE/g DW)	Tannins (mg GAE/g DW)
Ethanol	4.768	6.81 ± 1.72	31.41 ± 0.31	8.29 ± 0.3
Aqueous	0.87	5.34 ± 0.21*	29.56 ± 1.56*	4.05 ± 0.52*

Values are expressed as mean ± SEM of three independent determinations. *p < 0.05.

DW: dry weight.