Table 1. Total polyphenol contents of solvent fractions from the two Phragmites plants

Solvent fractions	Plants	Parts	Total polyphenol content (mg Gallate/g)¹⁾
Hexane	Phragmites communis	Leaf	5.49±0.85^b2)
	Phragmites communis	Rhizome	4.88±3.63^b
	Phragmites japonica	Leaf	4.76±2.36^b
	Phragmites japonica	Rhizome	38.29±0.00^a
Ether	Phragmites communis	Leaf	37.85±1.53^a
	Phragmites communis	Rhizome	36.08±5.14^a
	Phragmites japonica	Leaf	9.16±0.42^c
	Phragmites japonica	Rhizome	26.91±6.10^b
Ethyl acetate	Phragmites communis	Leaf	23.85±2.78^a
	Phragmites communis	Rhizome	11.12±1.94^c
	Phragmites japonica	Leaf	17.97±0.85^b
	Phragmites japonica	Rhizome	16.26±0.73^b
Water	Phragmites communis	Leaf	7.94±0.85^a
	Phragmites communis	Rhizome	3.29±0.85^bc
	Phragmites japonica	Leaf	6.96±0.42^ab
	Phragmites japonica	Rhizome	4.51±1.47^b

Gallic acid equivalent (y=0.0034x+0.7427, R²=0.9936).
All values are mean±SD (n=3). Means with different superscripts small alphabet within each solvent are significantly different at p<0.05.