Table 1.
Yields of extraction and fractions, and component analysis of the ethanol extract and its subsequent organic solvent fractions of root of Arctium lappa L

Extract/Fraction Extraction/Fraction yield (%) Content (mg/g)
Total flavonoid Total polyphenol Total sugar Reducing sugar
Ethanol ex1) 10.94 0.96±0.04 5.01±0.05 694.53±18.58 271.24±1.38
Hexane fr2) 1.62 3.25±0.42 3.48±0.01 161.05±5.86 41.81±0.92
Ethylacetate fr 0.42 47.36±2.89 45.9±4.51 85.23±0.45 68.74±1.38
Butanol fr 5.98 8.16±0.44 8.51±0.05 675.02±5.63 494.51±2.29
Water residue 85.38 0.57±0.03 2.27±0.04 532.85±25.34 229.05±4.13
extract,
fraction. Data are presented as the mean±SD of three determinations.