2.1 Reagents
P. ginseng purchased from Wudu County (Gansu Province, China). The roots
of P. ginseng were dried in the shade and ground into powder. Standard
monosaccharides, including rhamnose, arabinose, xylose, mannose,
glucose, galactose, glucuronic acid, and galacturonic acid were all
obtained from the National Institute for the Control of Pharmaceutical
and Biological Products (Beijing, China). All chemicals used were of
analytical grade unless otherwise specified.