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- W2348882221 abstract "Objective To investigate the antioxidant activity of polysaccharide from purple sweet potato(PPSP) in vivo and in vitro.Method The reaction system of hydroxyl radical,DPPH free radical and reducing power was used to detect the antioxidant activity of PPSP in vitro and was compared with VC.The contents of MDA,the activities of GSH and T-AOC in liver and pancreas were respectively measured in the diabetes mellitus mouse model induced by streptozotocin(STZ).Results The in vitro experiment showed that the reducing activity and the scavenging capacity of PPSP for OH? and DPPH? were enhanced as PSSP concentration was inceased,reaching 92.2 % and 60.2 % respectively at 250 μg/ml PPSP.It was higher than the scavenging rate of VC for OH? and near VC for DPPH?.The animal experiment showed that the content of MDA was decreased and the GSH activities and T-AOC were increased in both liver and pancreas in all PPSP groups.Moreover,liver cell lesion was reduced in the STZ-induced diabetic mice by 200mg/kg PPSP extract.Conclusion PPSP was shown to have significant antioxidant effect both in vitro and in vivo." @default.
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- W2348882221 date "2011-01-01" @default.
- W2348882221 modified "2023-09-24" @default.
- W2348882221 title "STUDY ON THE ANTIOXIDANT ACTIVITY OF POLYSACCHAARIDE FROM PURPLE SWEET POTATO" @default.
- W2348882221 hasPublicationYear "2011" @default.
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