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Isolation and identification of a phenolic antioxidant from Aloe barbadensis

Tipo de material: TextoTextoSeries ; Free Radical Biology & Medicine, 28(2), p.261-265, 2000Trabajos contenidos:
  • Lee, K.Y
  • Weintraub, S.T
  • Yu, B.P
Tema(s): Recursos en línea: Resumen: A potent antioxidative compound has been isolated from a methanolic extract of Aloe barbadensis Miller using a combination of column and thin-layer chromatography. The antioxidant activity of this substance was similar to that of a-tocopherol as assessed in vitro using rat brain homogenates. On the basis of electrospray ionization and electron-impact ionization mass spectra in combination with reversed-phase, high-performance liquid chromatographic behavior, this compound has been identified as 8-C-b-D-[2-O-(E)-coumaroyl]glucopyranosyl-2-[2-hydroxy]- propyl-7-methoxy-5-methylchromone.
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Documentos solicitados Documentos solicitados CICY Documento préstamo interbibliotecario Ref1 B-13025 (Browse shelf(Opens below)) Available

A potent antioxidative compound has been isolated from a methanolic extract of Aloe barbadensis Miller using a combination of column and thin-layer chromatography. The antioxidant activity of this substance was similar to that of a-tocopherol as assessed in vitro using rat brain homogenates. On the basis of electrospray ionization and electron-impact ionization mass spectra in combination with reversed-phase, high-performance liquid chromatographic behavior, this compound has been identified as 8-C-b-D-[2-O-(E)-coumaroyl]glucopyranosyl-2-[2-hydroxy]- propyl-7-methoxy-5-methylchromone.

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