<b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>

<b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>

A new prenylated pyranoxanthone, symphonin (<b>1</b>), 2-(3,3-dimethylallyl)-1,5- dihydroxy-6,7-dimethoxy-2”,2”-dimethylpyrano (5”,6”:3,4) xanthone, the known compounds guttiferone A, oleanolic acid and sitosterol were isolated from the methanol extract of the seeds of <i>Symphon...

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Main Authors: Bruno N. Lenta, Silvere Ngouela, Diderot T. Noungoue, Etienne Tsamo, Joseph D. Connolly
Format: Article
Language:English
Published: Chemical Society of Ethiopia 2004-12-01
Series:Bulletin of the Chemical Society of Ethiopia
Subjects:
<i>Symphonia globulifera</i>
Seeds
Xanthone
Antimicrobial activity
Online Access:http://www.ajol.info/index.php/bcse/article/view/61439
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spelling doaj-e6ef12b658a64590ae1f28363bec976b2020-11-24T23:14:58ZengChemical Society of EthiopiaBulletin of the Chemical Society of Ethiopia1011-39241726-801X2004-12-01182175180<b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>Bruno N. LentaSilvere NgouelaDiderot T. NoungoueEtienne TsamoJoseph D. ConnollyA new prenylated pyranoxanthone, symphonin (<b>1</b>), 2-(3,3-dimethylallyl)-1,5- dihydroxy-6,7-dimethoxy-2”,2”-dimethylpyrano (5”,6”:3,4) xanthone, the known compounds guttiferone A, oleanolic acid and sitosterol were isolated from the methanol extract of the seeds of <i>Symphonia globulifera</i> (Guttiferae). The structural elucidation of the new compound was based mainly on spectroscopic analyses. The new xanthone showed antimicrobial activity against <i>Staphylococcus aureus, Streptococcus feacalis, Klebsiella pneumonia</i> and <i>Escherichia coli</i>.http://www.ajol.info/index.php/bcse/article/view/61439<i>Symphonia globulifera</i>SeedsXanthoneAntimicrobial activity
collection DOAJ
language English
format Article
sources DOAJ
author Bruno N. Lenta
Silvere Ngouela
Diderot T. Noungoue
Etienne Tsamo
Joseph D. Connolly
spellingShingle Bruno N. Lenta
Silvere Ngouela
Diderot T. Noungoue
Etienne Tsamo
Joseph D. Connolly
<b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>
Bulletin of the Chemical Society of Ethiopia
<i>Symphonia globulifera</i>
Seeds
Xanthone
Antimicrobial activity
author_facet Bruno N. Lenta
Silvere Ngouela
Diderot T. Noungoue
Etienne Tsamo
Joseph D. Connolly
author_sort Bruno N. Lenta
title <b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>
title_short <b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>
title_full <b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>
title_fullStr <b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>
title_full_unstemmed <b>Symphonin: A new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>Symphonia globulifera</i> (guttiferae)</b>
title_sort <b>symphonin: a new prenylated pyranoxanthone with antimicrobial activity from the seeds of <i>symphonia globulifera</i> (guttiferae)</b>
publisher Chemical Society of Ethiopia
series Bulletin of the Chemical Society of Ethiopia
issn 1011-3924
1726-801X
publishDate 2004-12-01
description A new prenylated pyranoxanthone, symphonin (<b>1</b>), 2-(3,3-dimethylallyl)-1,5- dihydroxy-6,7-dimethoxy-2”,2”-dimethylpyrano (5”,6”:3,4) xanthone, the known compounds guttiferone A, oleanolic acid and sitosterol were isolated from the methanol extract of the seeds of <i>Symphonia globulifera</i> (Guttiferae). The structural elucidation of the new compound was based mainly on spectroscopic analyses. The new xanthone showed antimicrobial activity against <i>Staphylococcus aureus, Streptococcus feacalis, Klebsiella pneumonia</i> and <i>Escherichia coli</i>.
topic <i>Symphonia globulifera</i>
Seeds
Xanthone
Antimicrobial activity
url http://www.ajol.info/index.php/bcse/article/view/61439
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