In this study, different extracts from the seeds of Desmodium styracifolium were screened for their potential antioxidant activities by reducing power and hydroxyl and superoxide radical assays. From the above tests, n-BuOH extract of D. styracifolium seeds exhibited good reductive potential and obvious scavenging effect on hydroxyl (OH), and superoxide (O2–) radicals. Therefore, bioassay-guided fractionation and a chemical investigation of n-BuOH extract were carried out, and three new flavonol glycosides (1, 2, 4) together with a known compound (3) were isolated. The chemical structures were further determined by a combination of 1D, 2D NMR, and HR-MS.
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Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2018, pp. 720–723.
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Cheng, Xx., Tang, Xm., Guo, Cc. et al. New Flavonol Glycosides from the Seeds of Desmodium styracifolium. Chem Nat Compd 54, 846–850 (2018). https://doi.org/10.1007/s10600-018-2496-7
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DOI: https://doi.org/10.1007/s10600-018-2496-7