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Depression: 21st Century Solutions + The Dark Side of Wheat

Article Publish Status: FREE
Abstract Title:

Bixa orellana leaves extract inhibits bradykinin-induced inflammation through suppression of nitric oxide production.

Abstract Source:

Med Princ Pract. 2011 ;20(2):142-6. Epub 2011 Jan 20. PMID: 21252569

Abstract Author(s):

Y Yoke Keong, A K Arifah, S Sukardi, A H Roslida, M N Somchit, A Zuraini

Article Affiliation:

Y Yoke Keong

Abstract:

OBJECTIVE: The present study was conducted to assess the anti-inflammatory effect of a crude aqueous extract of Bixa orellana leaves (AEBO) and to examine the possible involvement of nitric oxide (NO) in its anti-inflammatory mechanism.

MATERIALS AND METHODS: The air-dried, powdered leaves were soaked in distilled water (1:20 w/v) at 50°C for 24 h and the supernatant obtained was freeze-dried (yield 8.5% w/w). The dosage was recorded as the mass of extract per kg b.w. of rats in all inflammatory assays (bradykinin-induced paw edema, peritoneal vascular permeability and NO assay).

RESULTS: Pretreatment with AEBO for 4 consecutive days exhibited significant inhibitory activity against inflammatory models, the bradykinin-induced hind paw edema model and bradykinin-induced increased peritoneal vascular permeability at both doses in dose-dependent manner. In addition, AEBO was also found to significantly suppress the production of NO at doses of 50 and 150 mg/kg.

CONCLUSION: This study provides scientific data to support the traditional use of B. orellana leaves in treating inflammation. Results from this study suggest that AEBO exerts anti-inflammatory effects. Part of this anti-inflammatory effect may be associated with its antibradykinin activity and may be related to a reduction of the NO production.

Study Type : Animal Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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