Lotus corniculatus Regulates the Inflammation Induced by Bradykinin in a Murine Model of Pleurisy

This study evaluated the anti-inflammatory efficacy of the crude extract (CE), the fractions derived from hexane (HEX), ethyl acetate (AcOEt), n-butanol (BuOH), and aqueous (Aq) and isolated compounds (oleanolic acid or kaempferitrin) obtained from the aerial parts of Lotus corniculatus var. São Ga...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2011-03, Vol.59 (6), p.2291-2298
Main Authors: Pereira, Diana Ana, Dalmarco, Juliana Bastos, Wisniewski, Alberto, Simionatto, Edésio Luiz, Pizzolatti, Moacir Geraldo, Fröde, Tânia Silvia
Format: Article
Language:English
Subjects:
acetates
adenosine deaminase
aerial parts
animal models
Animals
anti-inflammatory activity
Anti-Inflammatory Agents - administration & dosage
Bioactive Constituents
Biological and medical sciences
Bradykinin
Disease Models, Animal
Food industries
Fundamental and applied biological sciences. Psychology
hexane
Humans
inflammation
leukocytes
Loteae - chemistry
Lotus corniculatus
Mice
myeloperoxidase
nitric oxide
oleanolic acid
Plant Extracts - administration & dosage
Pleurisy - chemically induced
Pleurisy - drug therapy
Pleurisy - immunology
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Summary:This study evaluated the anti-inflammatory efficacy of the crude extract (CE), the fractions derived from hexane (HEX), ethyl acetate (AcOEt), n-butanol (BuOH), and aqueous (Aq) and isolated compounds (oleanolic acid or kaempferitrin) obtained from the aerial parts of Lotus corniculatus var. São Gabriel in mice with bradykinin-induced pleurisy. Swiss mice were used for the In Vivo experiments. Inflammatory parameters [leukocytes; exudate concentrations; myeloperoxidase and adenosine-deaminase activities, and nitric oxide and interleukin-17 levels] were evaluated 4 h after pleurisy induction. The crude extract of Lotus corniculatus, its derived fractions, and isolated compounds inhibited leukocytes and the exudate. This inhibitory effect was associated with decreased of myeloperoxidase and adenosine-deaminase activities, nitric oxide products, and IL-17A levels. Lotus corniculatus presented important anti-inflammatory action by inhibiting leukocyte influx and exudate concentrations. This effect was directly related to the inhibition of nitric oxide and interleukinin17 levels. Oleanolic acid and kaempferitrin can account for these anti-inflammatory effects.
ISSN:0021-8561
1520-5118
DOI:10.1021/jf103997s