title: A new anti-oxidant Diels-Alder type adduct from Morus macroura.
abstract: A new Diels-Alder type adduct, named guangsangon O, was isolated from Morus macroura Miq., and its structure was determined by means of spectroscopic analyses and chemical methods. The isolated new compound showed potent anti-oxidant activity in vitro.
authors.affiliation: School of Pharmaceutical Science, Yantai University, Yantai 264005, P.R, China. daishengjun_9@hotmail.com
authors.forename: Sheng-Jun
authors.initials: SJ
authors.lastname: Dai
authors.forename: De-Quan
authors.initials: DQ
authors.lastname: Yu
mesh_terms: D000975:Antioxidants / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D008315:Malondialdehyde / Q000378:metabolism; D008968:Molecular Conformation; D031625:Morus / Q000737:chemistry*; D019906:Nuclear Magnetic Resonance, Biomolecular; D009904:Optical Rotation; D024301:Plant Bark / Q000737:chemistry; D016339:Spectrometry, Mass, Fast Atom Bombardment; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000975:Antioxidants; D005419:Flavonoids; D008315:Malondialdehyde