This study was performed to determine the antinociceptive and anti-inflammatory activities of ethanolic extract of Lafoensia pacari A. St.-Hil. (PEtExt) stem bark and its fractions using various animal models such as acetic acid-induced abdominal writhing, formalin-induced pain and croton oil-induced ear edema tests. The PEtExt inhibited the acetic acid-induced abdominal writhing, reduced the pain reaction time on both phases of the formalin test and decreased the edema in a dose-dependent manner. Pre-treatment with naloxone did not reverse the antinociceptive effect. Only the ethyl acetate fraction showed antinociceptive and anti-inflammatory effects. Our results also showed that this extract contains compounds with analgesic action independent of anti-inflammatory activity.
de Andrade, Leylliane de Fatima Leal Interaminense
de Araujo, Aurigena Antunes
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Univ Fed Rio Grande do Norte, Biosci Ctr, Dept Biophys & Pharmacol, Natal, RN, BrazilUniv Fed Paraiba, Postgrad Program Nutr Sci, Joao Pessoa, Paraiba, Brazil
de Araujo, Aurigena Antunes
de Araujo Junior, Raimundo Fernandes
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Univ Fed Rio Grande do Norte, Biosci Ctr, Dept Morphol Histol & Basic Pathol, Natal, RN, BrazilUniv Fed Paraiba, Postgrad Program Nutr Sci, Joao Pessoa, Paraiba, Brazil
de Araujo Junior, Raimundo Fernandes
de Carvalho, Thais Gomes
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Univ Fed Rio Grande do Norte, Hlth Sci Ctr, Postgrad Program Hlth Sci, Natal, RN, BrazilUniv Fed Paraiba, Postgrad Program Nutr Sci, Joao Pessoa, Paraiba, Brazil
de Carvalho, Thais Gomes
de Souza, Maria de Fatima Vanderlei
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Univ Fed Paraiba, Postgrad Program Dev & Technol Innovat Med, Joao Pessoa, Paraiba, BrazilUniv Fed Paraiba, Postgrad Program Nutr Sci, Joao Pessoa, Paraiba, Brazil