NOVEL XANTHONES WITH SUPEROXIDE SCAVENGING ACTIVITY FROM GARCINIA SUBELLIPTICA

Two new xanthones, garciniaxanthone D (1) containing a dihydrobenzofran ring and 1, 4, 5-trihydroxyxanthone (2), have been isolated from Garcinia subelliptica as superoxide anion scavengers. Their structures have been determined mainly by spectroscopic methods and some chemical reactions.

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Bibliographische Detailangaben
Veröffentlicht in:	Chemical & pharmaceutical bulletin 1995/02/15, Vol.43(2), pp.347-349
Hauptverfasser:	MINAMI, Hiroyuki, TAKAHASHI, Emi, FUKUYAMA, Yoshiyasu, KODAMA, Mitsuaki, YOSHIZAWA, Toyokichi, NAKAGAWA, Keiji
Format:	Artikel
Sprache:	eng
Schlagworte:	1, 4, 5-trihydroxyxanthone Analytical, structural and metabolic biochemistry anti lipid peroxidation antioxidant Antioxidants - chemistry Antioxidants - isolation & purification Antioxidants - pharmacology Aromatic and heterocyclic compounds Biological and medical sciences Free Radical Scavengers - chemistry Free Radical Scavengers - isolation & purification Free Radical Scavengers - pharmacology Fundamental and applied biological sciences. Psychology Garcinia subelliptica garciniaxanthone D Heterocyclic compounds, pigments Magnetic Resonance Spectroscopy Other biological molecules Plant Extracts - chemistry Plant Extracts - isolation & purification Plant Extracts - pharmacology Spectrophotometry, Infrared Spectrophotometry, Ultraviolet Structure-Activity Relationship superoxide anion scavenger Superoxides - metabolism Xanthenes - chemistry Xanthenes - isolation & purification Xanthenes - pharmacology Xanthones
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Beschreibung
Zusammenfassung:	Two new xanthones, garciniaxanthone D (1) containing a dihydrobenzofran ring and 1, 4, 5-trihydroxyxanthone (2), have been isolated from Garcinia subelliptica as superoxide anion scavengers. Their structures have been determined mainly by spectroscopic methods and some chemical reactions.
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.43.347