Chemical analysis and toxicity of seaweed extracts with inhibitory activity against tropical fruit anthracnose fungi.

Tipo de material: Texto

TextoSeries ; Journal of the Science of Food and Agriculture, 94(9), p.1739-1744, 2014Trabajos contenidos:

Machado, L. P
Matsumoto, S. T
Jamal, C. M
Da Silva, M. B
Da Cruz Centeno, D
Neto, P. C
Yokoya, N. S

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Resumen: Banana and papaya are among the most important crops in the tropics, with a value amounting to millions of dollars per year. However, these fruits suffer significant losses due to anthracnose, a fungal disease. It is well known that certain seaweed extracts possess antifungal activity, but no published data appear to exist on the practical application of this property. In the present study, five organic Brazilian seaweed extracts were screened for their activity against banana and papaya anthracnose fungi. Furthermore, cytotoxic and mutagenic effects of the extracts were evaluated by the brine shrimp lethality assay and the Allium cepa root?tip mutagenicity test respectively, while their major components were identified by gas chromatography/mass spectrometry.

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Banana and papaya are among the most important crops in the tropics, with a value amounting to millions of dollars per year. However, these fruits suffer significant losses due to anthracnose, a fungal disease. It is well known that certain seaweed extracts possess antifungal activity, but no published data appear to exist on the practical application of this property. In the present study, five organic Brazilian seaweed extracts were screened for their activity against banana and papaya anthracnose fungi. Furthermore, cytotoxic and mutagenic effects of the extracts were evaluated by the brine shrimp lethality assay and the Allium cepa root?tip mutagenicity test respectively, while their major components were identified by gas chromatography/mass spectrometry.

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