The Therapeutic Properties of Carapa guianensis

Author(s): Maria das Gracas Henriques, Carmen Penido

Journal Name: Current Pharmaceutical Design

Volume 20 , Issue 6 , 2014

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Abstract:

Carapa guianensis Aublet (Meliaceae), also known as andiroba, is used in popular medicine in Brazil and other countries encompassing the Amazon rainforest. Virtually all parts of the andiroba tree are utilized, including the seed’s oil, which is employed to treat inflammation and infections. The medicinal properties of C. guianensis have been attributed to the presence of limonoids, which are tetranortriterpenoids. We have previously demonstrated that the oil obtained from C. guianensis seeds contains different tetranortriterpenoids, including 6α-acetoxygedunin, 7-deacetoxy-7-oxogedunin, andirobin, gedunin and methyl-angolensate. The seeds oil and this fraction of tetranortriterpenoids present marked anti-inflammatory and anti-allergic properties, by inhibiting edema formation in different experimental models in rodents, via the impairment of signaling pathways triggered by histamine, bradykinin and platelet-activating factor. Tetranortriterpenoids also impaired the production of inflammatory mediators that trigger leukocyte infiltration into the inflammatory site, including the eosinophilotactic mediators interleukin (IL)-5 and CCL11/eotaxin, as well as the inflammatory cytokines tumor necrosis factor (TNF)-α and IL-1β. This phenomenon seems to depend on the inhibition of nuclear factor κB (NFκB) activation. We have further demonstrated that each one of the five tetranortriterpenoids listed above presented inhibitory effects on the activation of different cell populations, including mast cells, eosinophils and T lymphocytes, through which they impaired allergy and inflammation. This review will discuss the therapeutic effects of C. guianensis oil and its compounds, focusing on the scientific evidences that support its traditional use in inflammatory conditions and its anti-allergic properties.

Keywords: Andiroba, limonoids, tetranortriterpenoids, allergy, inflammation, leukocytes, eosinophils, cytokines.

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Article Details

VOLUME: 20
ISSUE: 6
Year: 2014
Page: [850 - 856]
Pages: 7
DOI: 10.2174/13816128113199990048
Price: $65

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