Research of preparation and structural characterization of polysaccharides from Portulaca oleracea L.

Polysaccharides from Portulaca oleracea L.was the hot spots of research on natural products for its high biologically activity on antibacterial,anti- virus,immunostimulating,anti- tumour,hypoglycemic and hypolipidemic effect,etc. In this paper,recent research progress in the preparation process and structural characterization of polysaccharides from Portulaca oleracea L. were summarized,which provided some references for future development and utilization of natural Portulaca oleracea L.and polysaccharides from Portulaca oleracea L.