| Registro completo |
| Provedor de dados: |
BABT
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| País: |
Brazil
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| Título: |
Antimicrobial effect of a crude sulfated polysaccharide from the red seaweed Gracilaria ornata
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| Autores: |
Amorim,Rodrigo das Neves dos Santos
Rodrigues,José Ariévilo Gurgel
Holanda,Márjory Lima
Quinderé,Ana Luíza Gomes
Paula,Regina Célia Monteiro de
Melo,Vânia Maria Maciel
Benevides,Norma Maria Barros
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| Data: |
2012-04-01
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| Ano: |
2012
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| Palavras-chave: |
Rhodophyta
Sulfated macromolecules
Chemical analysis
Antimicrobial
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| Resumo: |
The aim of this study was to determine the yield, chemical composition, specific rotation (SR), infrared (IR) spectroscopy and the effect on bacterial growth of a crude sulfated polysaccharide (SP) from the red marine alga G. ornata (Go). Go-1 (25°C), Go-2 (80°C), and Go-3 (80°C) were sequentially extracted and yielded 9.2%. The contents of sulfate (5.88-10.3%) and proteins (0.1-3.7%) were small. The values of SR were [µ]D20°f -19.0, -51.0, and -56.5, respectively. IR spectrums showed the presence of galactose-4 sulfate and absence of 3,6-anydrogalactose-2 sulfate, galactose-6 sulfate and galactose-2 sulfate. SR and IR techniques confirmed SPs. Go-3 was tested on the growth of bacteria (Bacillus subtilis, Staphylococcus aureus, Enterobacter aerogens, Escherichia coli, Pseudomonas aeruginosa, Salmonela choleraesuis and Salmonela typhi), but only E. coli was inhibited.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000200001
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| Editor: |
Instituto de Tecnologia do Paraná - Tecpar
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| Relação: |
10.1590/S1516-89132012000200001
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| Formato: |
text/html
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| Fonte: |
Brazilian Archives of Biology and Technology v.55 n.2 2012
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| Direitos: |
info:eu-repo/semantics/openAccess
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