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<b>Antioxidant benzophenones and xanthones from the root bark of <i>Garcinia smeathmannii</i></b>

Alain Meli Lannang
Justin Komguem
Fernande Ngounou Ngninzeko
Jean Gustave Tangmouo
David Lontsi
Asma Ajaz
Muhammad Iqbal Choudhary
Beiban Luc Sondengam
Atta -ur-Rahman


A new geranylated xanthone (1) was isolated from the root bark extract of Garcinia smeathmannii Oliver along with known guttiferone I, isoxanthochymol, smeathxanthones A and B, and triacontanyl caffeate. The structures of these compounds were elucidated by spectral analysis and by comparison with the reported data. These compounds showed significant antioxidant DPPH radical scavenging activities. 


KEY WORDS: Garcinia smeathmanii, Xanthone, Antioxidant



Bull. Chem. Soc. Ethiop. 2006, 20(2), 247-252.

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eISSN: 1726-801X
print ISSN: 1011-3924