Diapolycopenedioic acid xylosyl esters A, B, and C, novel antioxidative glyco-C30-carotenoic acids produced by a new marine bacterium Rubritalea squalenifaciens

Novel acyl glyco-carotenoic acids, diapolycopenedioic acid xylosyl esters A, B, and C, were isolated as red pigments by using chromatographic methods from a marine bacterium, Rubritalea squalenifaciens, belonging to subdivision 1 of Verrucomicrobia. The structures of these diapolycopenedioic acid xy...

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Veröffentlicht in:	Journal of antibiotics 2008-03, Vol.61 (3), p.185-191
Hauptverfasser:	Shindo, Kazutoshi, Asagi, Emiko, Sano, Aya, Hotta, Eri, Minemura, Noriko, Mikami, Kanae, Tamesada, Emiko, Misawa, Norihiko, Maoka, Takashi
Format:	Artikel
Sprache:	eng
Schlagworte:	Antioxidants - chemistry Antioxidants - metabolism Antioxidants - pharmacology Bacteria - chemistry Carotenoids - chemistry Carotenoids - metabolism Carotenoids - pharmacology Fermentation Indicators and Reagents Magnetic Resonance Spectroscopy Models, Molecular Molecular Conformation Seawater - microbiology Spectrometry, Mass, Electrospray Ionization
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Zusammenfassung:	Novel acyl glyco-carotenoic acids, diapolycopenedioic acid xylosyl esters A, B, and C, were isolated as red pigments by using chromatographic methods from a marine bacterium, Rubritalea squalenifaciens, belonging to subdivision 1 of Verrucomicrobia. The structures of these diapolycopenedioic acid xylosyl esters were determined to be 4-[2-O-acyl-beta-D-xylopyranosyl] hydrogen 4,4'-diapo-Psi,Psi-carotene-4,4'-dioate by spectroscopic analysis. Diapolycopenedioic acid xylosyl ester A showed potent antioxidative activity in a (1)O(2) suppression model.
ISSN:	0021-8820
DOI:	10.1038/ja.2008.128