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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
18/05/2000 |
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Data da última atualização: |
18/05/2000 |
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Autoria: |
RODRIGUEZ, M. X.; BUSCHMANN, H.; TOHME, J.; BEECHING, J. R. |
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Afiliação: |
University of Bath, Bath, U. K.; CIAT, cali, Colombia. |
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Título: |
Production of antimicrobial compounds in cassava (Manihot esculenta Crantz) roots during post-harvest physiological deterioration |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Brasilia: Embrapa Recursos Genetico e Biotecnologia/CBN, 2000 |
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Páginas: |
p.320-328 |
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ISBN: |
85-87697-05-6 |
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Idioma: |
Inglês |
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Notas: |
In: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia, DF: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto Duarte Vilarinhos. |
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Conteúdo: |
Cassava (Manihot esculenta Crantz) is one of the most important food sources in tropical countries where it is grown by small farmers largely for their own or local consumption. A serious constraint to extending cassava's marketability and uses is the rapid post-harvest physiological deterioration (PPD) suffered by the roots. PPD involves the accumulation of secondary metabolites such as flavonoids and coumarins (e.g. scopoletin) which have been reported to act as phytoalexins (low molecular weight anti-microbial commpounds). We are testing the anti-microbial activity of ethanolic extracts of cassava roots undergooing PPD using bioassays. These include thin layer chromatographic bioautographs and agar well diffusion assays, using different reference micro-organisms as Trichoderma harzianum, Cladosporium cucumerinum, Fusarium avena, and Staphylococcus aureus. |
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Palavras-Chave: |
Atividade biologica; Biological artivity; Fisiologia pos-colheita; Melhoramento genetico. |
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Thesagro: |
Mandioca. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01875naa a2200253 a 4500
001 1645849
005 2000-05-18
008 2000 bl uuuu u00u1 u #d
020 $a85-87697-05-6
100 1 $aRODRIGUEZ, M. X.
245 $aProduction of antimicrobial compounds in cassava (Manihot esculenta Crantz) roots during post-harvest physiological deterioration
260 $c2000
300 $ap.320-328
500 $aIn: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia, DF: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto Duarte Vilarinhos.
520 $aCassava (Manihot esculenta Crantz) is one of the most important food sources in tropical countries where it is grown by small farmers largely for their own or local consumption. A serious constraint to extending cassava's marketability and uses is the rapid post-harvest physiological deterioration (PPD) suffered by the roots. PPD involves the accumulation of secondary metabolites such as flavonoids and coumarins (e.g. scopoletin) which have been reported to act as phytoalexins (low molecular weight anti-microbial commpounds). We are testing the anti-microbial activity of ethanolic extracts of cassava roots undergooing PPD using bioassays. These include thin layer chromatographic bioautographs and agar well diffusion assays, using different reference micro-organisms as Trichoderma harzianum, Cladosporium cucumerinum, Fusarium avena, and Staphylococcus aureus.
650 $aMandioca
653 $aAtividade biologica
653 $aBiological artivity
653 $aFisiologia pos-colheita
653 $aMelhoramento genetico
700 1 $aBUSCHMANN, H.
700 1 $aTOHME, J.
700 1 $aBEECHING, J. R.
773 $tBrasilia: Embrapa Recursos Genetico e Biotecnologia/CBN, 2000
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Embrapa Mandioca e Fruticultura (CNPMF) |
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