Archives of Pharmacal Research

The Pharmaceutical Society of Korea (대한약학회)
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Isorhamnetin Glycosides with Free Radical and $ONOO^-$ Scavenging Activities from the Stamens of Nelumbo nucifera

  • Hyun Sook-Kyung (Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • Jung Yu-Jung (Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • Chung Hae-Young (College of Pharmacy, Pusan National University) ;
  • Jung Hyun-Ah (Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • Choi Jae-Sue (Faculty of Food Science and Biotechnology, Pukyong National University)
  • Published : 2006.04.01
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Abstract

In this study, we isolated two new isorhamnetin glycosides, designated as nelumboroside A (3) and nelumboroside B (4), as well as the previously-characterized isorhamnetin glucoside (1) and isorhamnetin rutinoside (2), from the n-BuOH fraction of Nelumbo nucifera stamens. The structures of the two new compounds were then determined, using chemical and spectroscopic techniques. All isolated isorhamnetin glycosides 1-4 showed marked antioxidant activities in the DPPH, and $ONOO^-$ assays.

Keywords

References

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