Direitos para esta edição cedidos à Atena Editora pelos autores. Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição-Não-Comercial-NãoDerivativos 4.0 Internacional (CC BY-NC-ND 4.0). O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores, inclusive não representam necessariamente a posição oficial da Atena Editora. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais. Todos os manuscritos foram previamente submetidos à avaliação cega pelos pares, membros do Conselho Editorial desta Editora, tendo sido aprovados para a publicação. A Atena Editora é comprometida em garantir a integridade editorial em todas as etapas do processo de publicação. Situações suspeitas de má conduta científica serão investigadas sob o mais alto padrão de rigor acadêmico e ético.
This study aimed to evaluate the anti-inflammatory and antinociceptive effects of hydroalcoholic extract of P.gonoacantha leaves (EPG). The toxic effect of the EPG was tested against A.salina in order to determine a secure dose for subsequent assays. The antinociception was evaluated using the acetic acid-induced writhing and hot plate tests in Wistar rats. The anti-inflammatory effect of EPG was evaluated by carrageenan-induced paw edema tests in rats. The bioassay with A.salina showed low toxicity of EPG (LC 50 =1,508mg/L). Oral administration of EPG (50, 100 and 150mg/kg) significantly decreased the number of acetic acid-induced writhes, around 61.3%, 71.8% and 64.9% respectively. However, EPG failed to prolong the latency time in the hot plate test, suggesting that EPG predominantly inhibits peripheral pain mechanisms. The oral administration of EPG at doses of 50 and 100mg/kg significantly inhibited paw edema at 3rd h after the injection of the phlogistic agent by 34.5% and 37.5%, respectively. These data suggest that EPG has both antinociceptive and anti-inflammatory activities, and these effects may be attributed to inhibition of COX-2 and prostaglandin release.
Direitos para esta edição cedidos à Atena Editora pelos autores. Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição-Não-Comercial-NãoDerivativos 4.0 Internacional (CC BY-NC-ND 4.0). O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores, inclusive não representam necessariamente a posição oficial da Atena Editora. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais. Todos os manuscritos foram previamente submetidos à avaliação cega pelos pares, membros do Conselho Editorial desta Editora, tendo sido aprovados para a publicação. A Atena Editora é comprometida em garantir a integridade editorial em todas as etapas do processo de publicação. Situações suspeitas de má conduta científica serão investigadas sob o mais alto padrão de rigor acadêmico e ético.
The search for herbal innovations with medicinal properties has intensified. As for this matter, the extracts of Piptadenia gonoacantha, present antimicrobial, anti-inflammatory and antinociceptive action, as well as absence of proven toxicity. The objective was to evaluate the antibacterial action of formulations containing extracts of Piptadenia gonoacantha. The extract was prepared and characterized by liquid chromatography coupled to mass spectrometry (UPLC-MS/MS). This was used for the development of cream, ointment, gel, balm and liquid soaps formulations, being submitted to evaluation, along with the extracts, for antibacterial activity. The characterization of the extract revealed the presence of rutin, ferulic acid, p-coumaric acid, quercitrin, canferol, apigenin and 6-hydroxycoumarin in their constitution. The formulations presented inhibition halos against strains of S. aureus and S. epidermides, with mean efficiency, relative to the positive control, of 47% to 99%. The best results were found for the S. epidermides strain with a mean of 91.5% efficiency in relation to the control. The presence of the metabolites observed in the characterization of the extract justifies the antibacterial action observed in its evaluation, as well as to the formulations. The formulations evaluated have promising antibacterial activity as natural therapeutic alternatives for the treatment of infectious processes.
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