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Journal of Applied Sciences
  Year: 2007 | Volume: 7 | Issue: 2 | Page No.: 306-309
DOI: 10.3923/jas.2007.306.309
 
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Isolation and Characterization of Flavanone Glycoside 4I,5, 7-Trihydroxy Flavanone Rhamnoglucose from Garcinia kola Seed

D.E. Okwu and F.N.I. Morah

Abstract:
The ethanolic extract of Garcinia kola, Heckel (Guttiferae), which had previously been shown to have biological activity were studied. Preliminary phytochemical screening of the plants showed the presence of flavonoids, phenolic compounds, tannins and saponins. The ethanolic extract of Garcinia kola seeds resulted in the isolation and characterization of flavanone glycoside 4I, 5, 7-trihydroxyflavonone rhamnoglucose (that is naringin-7-rharmnoglucoseside) from its spectral data. IHNMR spin system analysis and acid hydrolysis were performed to characterize the higher order rhamnoglucosyl moiety comprising glucose and rhamnose linked to carbon 7 of the flavanone ring system of the isolate. It is concluded that 4I, 5, 7-trihydroxyflavanone rhamnoglucose may be a contributor to the antioxidants, anti-inflammatory, anti-microbial, anti-tumor and anti-hepatotoxic properties exhibited by Garcinia kola seed.
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How to cite this article:

D.E. Okwu and F.N.I. Morah, 2007. Isolation and Characterization of Flavanone Glycoside 4I,5, 7-Trihydroxy Flavanone Rhamnoglucose from Garcinia kola Seed. Journal of Applied Sciences, 7: 306-309.

DOI: 10.3923/jas.2007.306.309

URL: https://scialert.net/abstract/?doi=jas.2007.306.309

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