Detalhes bibliográficos
| Ano de defesa: |
2024 |
| Autor(a) principal: |
AUSTREGÉSILO FILHO, Péricles Tavares
 |
| Orientador(a): |
MOTA, Rinaldo Aparecido |
| Banca de defesa: |
PINHEIRO JÚNIOR, José Wilton,
MARTINS, René Duarte,
FARIAS, Eulina Tereza Nery,
OLIVEIRA, Gibson Gomes de,
PEREIRA JUNIOR, José Antonio de Sousa |
| Tipo de documento: |
Tese
|
| Tipo de acesso: |
Acesso aberto |
| Idioma: |
por |
| Instituição de defesa: |
Universidade Federal Rural de Pernambuco
|
| Programa de Pós-Graduação: |
Programa de Pós-Graduação em Biociência Animal
|
| Departamento: |
Departamento de Morfologia e Fisiologia Animal
|
| País: |
Brasil
|
| Palavras-chave em Português: |
|
| Área do conhecimento CNPq: |
|
| Link de acesso: |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/9693
|
Resumo: |
The objective of this study was to carry out the phytochemical evaluation and antimicrobial activity of the hydroalcoholic and hexanic extract of the leaves of Melaleuca leucadendra (Myrtaceae), at a concentration of 20mg/mL, on Staphylococcus aureus isolated from bovine mastitis. After plant identification, extracts were prepared and subjected to phytochemical and antibacterial tests. Verification of the presence of metabolite classes was carried out by chromatographic analysis using traditional techniques and verification of compounds by mass spectrometry coupled to electrosplay HPLC-DAD-ESI(+)-MS/MS (micrOTOF-QII) (ESI-MS) ; the hydroalcoholic and hexane extract were analyzed by gas chromatography-mass spectrometry (GC-ME). To evaluate the antibacterial action, the inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) were verified in isolates of Staphylococcus aureus from bovine mastitis. The results verified the presence of terpenes, glycosylated flavonoids, aglycone flavonoids, triterpenes, tannin and spectrometry identified 13 chemical superclasses with 88 compounds. In the GC-MS chromatogram, 37 peaks were found, corresponding to 37 chemical compounds. The hydroalcoholic and hexane extracts presented metabolites with biological activity proven in the specialized literature. In turn, the same extracts showed antimicrobial activity against strains of Staphylococcus aureus that cause bovine mastitis, proving to be an alternative in the treatment of the disease. |
