Table 2. Total flavonoids contents of solvent fractions from the two Phragmites plants

Solvent fractions	Plants	Parts	Total flavonoids content (mg QUE/g)¹⁾
Hexane	Phragmites communis	Leaf	10.83±2.57^b2)
	Phragmites communis	Rhizome	5.10±2.55^c
	Phragmites japonica	Leaf	17.62±2.97^a
	Phragmites japonica	Rhizome	6.58±0.93^c
Ether	Phragmites communis	Leaf	60.72±1.29^b
	Phragmites communis	Rhizome	74.95±0.56^a
	Phragmites japonica	Leaf	67.52±1.33^ab
	Phragmites japonica	Rhizome	73.04±1.85^a
Ethyl acetate	Phragmites communis	Leaf	33.76±20.5^b
	Phragmites communis	Rhizome	22.93±2.05^c
	Phragmites japonica	Leaf	35.03±3.89^b
	Phragmites japonica	Rhizome	43.52±3.53^a
Water	Phragmites communis	Leaf	18.90±3.42^a
	Phragmites communis	Rhizome	4.46±0.37^c
	Phragmites japonica	Leaf	18.47±1.69^a
	Phragmites japonica	Rhizome	7.43±0.42^b

Quercetin equivalent (y=0.0002x+0.0458, R²=0.9942).
All values are mean±SD (n=3). Means with different superscript lettters small alphabet within each solvent are significantly different at p<0.05.