Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity
The chemical composition and antimicrobial activity of the Cladia aggregata (Sw.) Nyl. were evaluated. Barbatic acid, depside obtained from C. aggregata, was spectroscopically analyzed and tested, as well as organic extracts. The extracts and purified substance were tested against four Staphylococcu...
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| Format: | Article |
| Language: | English |
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Instituto de Tecnologia do Paraná (Tecpar)
2010-02-01
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| Series: | Brazilian Archives of Biology and Technology |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000100015 |
| _version_ | 1828843293246488576 |
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| author | Mônica Cristina Barroso Martins Marcio James Gonçalves de Lima Flávia Pereira Silva Eulália Azevedo-Ximenes Nicácio Henrique da Silva Eugênia Cristina Pereira |
| author_facet | Mônica Cristina Barroso Martins Marcio James Gonçalves de Lima Flávia Pereira Silva Eulália Azevedo-Ximenes Nicácio Henrique da Silva Eugênia Cristina Pereira |
| author_sort | Mônica Cristina Barroso Martins |
| collection | DOAJ |
| description | The chemical composition and antimicrobial activity of the Cladia aggregata (Sw.) Nyl. were evaluated. Barbatic acid, depside obtained from C. aggregata, was spectroscopically analyzed and tested, as well as organic extracts. The extracts and purified substance were tested against four Staphylococcus aureus multi-resistant strains. The structure of barbatic acid was confirmed through NMR (¹H; 13C) and elemental ® analysis. Biochromatographic assays showed action of this compound, along with other substances contained in organic extracts, suggesting a synergic action, MIC assays placed barbatic acid in the same level of inhibition to other studied lichen substances.<br>A composição química e a atividade antimicrobiana da Cladia aggregata (Sw.) Nyl. foram avaliadas. O ácido barbático, um depsideo obtido da C. aggregata, foi espectroscopicamente analisado e testado, bem como o extrato orgânico. o extrato e a substância purificada foram testadas contra 4 linhagens de Staphylococcus aureus multi resistentes. A estrutura do ácido barbático foi confirmada através de ensaios de CCD, CLAE, IV, RMN (¹H;13C), UV e analise elementar (r). O biocromatograma mostrou a ação deste composto junto com outras substâncias contidas no extrato orgânico, sugerindo a ação sinérgica, a CMI do ácido barbático mostrou o mesmo nível de inibição de outras substâncias liquênicas. |
| first_indexed | 2024-12-12T20:43:05Z |
| format | Article |
| id | doaj.art-48febd47892c4022989c600ff99b05c3 |
| institution | Directory Open Access Journal |
| issn | 1516-8913 1678-4324 |
| language | English |
| last_indexed | 2024-12-12T20:43:05Z |
| publishDate | 2010-02-01 |
| publisher | Instituto de Tecnologia do Paraná (Tecpar) |
| record_format | Article |
| series | Brazilian Archives of Biology and Technology |
| spelling | doaj.art-48febd47892c4022989c600ff99b05c32022-12-22T00:12:40ZengInstituto de Tecnologia do Paraná (Tecpar)Brazilian Archives of Biology and Technology1516-89131678-43242010-02-0153111512210.1590/S1516-89132010000100015Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activityMônica Cristina Barroso MartinsMarcio James Gonçalves de LimaFlávia Pereira SilvaEulália Azevedo-XimenesNicácio Henrique da SilvaEugênia Cristina PereiraThe chemical composition and antimicrobial activity of the Cladia aggregata (Sw.) Nyl. were evaluated. Barbatic acid, depside obtained from C. aggregata, was spectroscopically analyzed and tested, as well as organic extracts. The extracts and purified substance were tested against four Staphylococcus aureus multi-resistant strains. The structure of barbatic acid was confirmed through NMR (¹H; 13C) and elemental ® analysis. Biochromatographic assays showed action of this compound, along with other substances contained in organic extracts, suggesting a synergic action, MIC assays placed barbatic acid in the same level of inhibition to other studied lichen substances.<br>A composição química e a atividade antimicrobiana da Cladia aggregata (Sw.) Nyl. foram avaliadas. O ácido barbático, um depsideo obtido da C. aggregata, foi espectroscopicamente analisado e testado, bem como o extrato orgânico. o extrato e a substância purificada foram testadas contra 4 linhagens de Staphylococcus aureus multi resistentes. A estrutura do ácido barbático foi confirmada através de ensaios de CCD, CLAE, IV, RMN (¹H;13C), UV e analise elementar (r). O biocromatograma mostrou a ação deste composto junto com outras substâncias contidas no extrato orgânico, sugerindo a ação sinérgica, a CMI do ácido barbático mostrou o mesmo nível de inibição de outras substâncias liquênicas.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000100015Cladia aggregatabarbatic acidantimicrobial activity |
| spellingShingle | Mônica Cristina Barroso Martins Marcio James Gonçalves de Lima Flávia Pereira Silva Eulália Azevedo-Ximenes Nicácio Henrique da Silva Eugênia Cristina Pereira Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity Brazilian Archives of Biology and Technology Cladia aggregata barbatic acid antimicrobial activity |
| title | Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity |
| title_full | Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity |
| title_fullStr | Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity |
| title_full_unstemmed | Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity |
| title_short | Cladia aggregata (lichen) from Brazilian northeast: chemical characterization and antimicrobial activity |
| title_sort | cladia aggregata lichen from brazilian northeast chemical characterization and antimicrobial activity |
| topic | Cladia aggregata barbatic acid antimicrobial activity |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000100015 |
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