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 then-BuOH fraction ofNelumbo nucifera stamens. The structures of the two new compounds were then determined, using chemical and spectroscopic techniques. All isolated isorhamnetin glycosides1–4 showed marked antioxidant activities in the DPPH, and ONOO− assays.
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Hyun, S.K., Jung, Y.J., Chung, H.Y. et al. Isorhamnetin glycosides with free radical and ONOO− scavenging activities from the stamens ofNelumbo nucifera . Arch Pharm Res 29, 287–292 (2006). https://doi.org/10.1007/BF02968572
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DOI: https://doi.org/10.1007/BF02968572