Research progress on processing technology,chemical constituents and pharmacological activities of Polygoni multiflori radix praeparata
Polygoni multiflori radix praeparata is a processed product of Polygoni multiflori radix(Polygonum multiflorum Thunb.),and its main components include stilbene glycosides,anthraquinones,flavonoids,alkaloids,phenolic acids,etc.It has antioxidant,antianemic,anti-tumor,hypoglycemic,anti-inflammatory effects,etc,and is widely used in clinical practice.The processing technology is mainly stewinging with black bean juice,steaming,processing for 9 times and braising and simmering.After processing,the color deepens and the content of composition changes.By consulting domestic and foreign literature,the research on Polygoni multiflori radix praeparata is not comprehensive enough compared with Polygoni multiflori radix.Therefore,this paper mainly summarizes the processing technology,chemical composition and pharmacological activity of Polygoni multiflori radix preparata reported in the past 20 years,and provides a reference for further development of Polygoni multiflori radix preparata.
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