A New Antioxidant Triterpenoid from the Stem Wood of Sorbus lanata
Abdul Latif, Syed Hamid Hussain, Mumtaz Ali, Mohammad Arfan, Manzoor Ahmed, Russell J. Cox, Thomas J. Simpson and Ghias Uddin
Department of Chemistry, University of Malakand, Chakdara Dir (L), Pakistan
Department of Chemistry, Bacha Khan University, Charsadda, Pakistan
Institute of Chemical Sciences, University of Peshawar, Peshawar, Pakistan
School of Chemistry, University of Bristol, Bristol, United Kingdom
Abstract: In search for antioxidant constituents, a new triterpenoid (1) along with three known compounds (2-4) were isolated from Sorbus lanata . LCMS, HR-ESIMS, and advanced NMR (1D & 2D) data were used for the determination of structures and spectral assignments. The isolated compounds were also tested for their antioxidant activities in the diphenylpicrylhydrazyl (DPPH) radical scavenging assay.
Keywords: S orb us l a nata ; pentacyclic triterpenoid; DPPH radical scavenging assay.
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