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1. | | CARASSAI, I. J.; NABINGER, C.; VARELLA, A. C.; VIEIRA, P. C.; TISCHLER, M. R.; GORELIK, D. B.; ROCHA, R. T. da. Modeling responses of annual ryegrass as a function of nitrogen fertilization. In: MACHADO, C. F.; WADE, M.; SILVA, S. C. da; AGNUSDEI, M.; CARVALHO, P. de F.; MORRIS, S.; BESKOW, W. (Ed.). An overview of research on pastoral-based systems in the Southern part of South America: international workshop. Tandil: Universidad Nacional del Centro de la Provincia de Buenos Aires, 2010. p. 55-57. Biblioteca(s): Embrapa Pecuária Sul. |
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Registros recuperados : 1 | |
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Registro Completo
Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
08/09/2023 |
Data da última atualização: |
08/09/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SILVA, J. do N.; MASCARIN, G. M.; LOPES, R. B.; FREIRE, D. M. G. |
Afiliação: |
JAQUELINE DO NASCIMENTO SILVA, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO; GABRIEL MOURA MASCARIN, CNPMA; ROGERIO BIAGGIONI LOPES, Cenargen; DENISE MARIA GUIMARÃES FREIRE, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO. |
Título: |
Production of dried Beauveria bassiana conidia in packed-column bioreactor using agro-industrial palm oil residues. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Biochemical Engineering Journal, v. 198, article 109022, 2023. |
ISSN: |
1369-703X |
DOI: |
https://doi.org/10.1016/j.bej.2023.109022 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Agro-industrial waste byproducts are commonly inexpensive organic nutritional sources for production of filamentous fungi, and selection of an optimal bioreactor is a key factor for attaining satisfactory biomass yield and quality. The insect-pathogenic fungus Beauveria bassiana (Hypocreales: Cordycipitaceae) has been extensively mass produced by solid-state fermentation using precooked cereal grains. Here, we propose low-cost palm oil residues as the main substrate using a cylindrical packed-column aerobic bioreactor prototype designed for conidial production of B. bassiana. Fermentation treatments using B. bassiana strain CG1229 assessed the impact of temperature, air flow, substrate moisture content, and ratio between palm fiber (PF) and palm kernel cake (PKC) on conidial yield and desiccation tolerance. Results showed significant enhanced productivity (2 ×1010 conidia g?1 dry matter) and reduced fermentation time (from 168 h to 120 h) by this method compared with the conventional tray bioreactor. Optimal substrate conditions were 60% initial moisture and 30% PF + 70% PKC content, fermentation at 26 °C with aeration rate ? 0.2 L min?1. Air drying conidia inside the column yielded > 95% germination. Maximum spore production was achieved in 120 h. Our findings demonstrate the feasibility of using a packed-column bioreactor for mass production of B. bassiana conidia using low-cost agricultural residues, which contributes to a sustainable production method of this biopesticide in Brazil. MenosAbstract: Agro-industrial waste byproducts are commonly inexpensive organic nutritional sources for production of filamentous fungi, and selection of an optimal bioreactor is a key factor for attaining satisfactory biomass yield and quality. The insect-pathogenic fungus Beauveria bassiana (Hypocreales: Cordycipitaceae) has been extensively mass produced by solid-state fermentation using precooked cereal grains. Here, we propose low-cost palm oil residues as the main substrate using a cylindrical packed-column aerobic bioreactor prototype designed for conidial production of B. bassiana. Fermentation treatments using B. bassiana strain CG1229 assessed the impact of temperature, air flow, substrate moisture content, and ratio between palm fiber (PF) and palm kernel cake (PKC) on conidial yield and desiccation tolerance. Results showed significant enhanced productivity (2 ×1010 conidia g?1 dry matter) and reduced fermentation time (from 168 h to 120 h) by this method compared with the conventional tray bioreactor. Optimal substrate conditions were 60% initial moisture and 30% PF + 70% PKC content, fermentation at 26 °C with aeration rate ? 0.2 L min?1. Air drying conidia inside the column yielded > 95% germination. Maximum spore production was achieved in 120 h. Our findings demonstrate the feasibility of using a packed-column bioreactor for mass production of B. bassiana conidia using low-cost agricultural residues, which contributes to a sustainable production method of this b... Mostrar Tudo |
Palavras-Chave: |
Forced aeration; Waste valorization. |
Thesagro: |
Beauveria Bassiana; Elaeis Guineensis; Fermentação; Fungo Para Controle Biológico; Produção; Resíduo Orgânico. |
Thesaurus NAL: |
Biological control agents; biopesticides; Entomopathogenic fungi; Palm oils; Plant residues; Solid state fermentation. |
Categoria do assunto: |
H Saúde e Patologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1156508/1/Mascarin-Production-dried-2023.pdf
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Marc: |
LEADER 02618naa a2200349 a 4500 001 2156508 005 2023-09-08 008 2023 bl uuuu u00u1 u #d 022 $a1369-703X 024 7 $ahttps://doi.org/10.1016/j.bej.2023.109022$2DOI 100 1 $aSILVA, J. do N. 245 $aProduction of dried Beauveria bassiana conidia in packed-column bioreactor using agro-industrial palm oil residues.$h[electronic resource] 260 $c2023 520 $aAbstract: Agro-industrial waste byproducts are commonly inexpensive organic nutritional sources for production of filamentous fungi, and selection of an optimal bioreactor is a key factor for attaining satisfactory biomass yield and quality. The insect-pathogenic fungus Beauveria bassiana (Hypocreales: Cordycipitaceae) has been extensively mass produced by solid-state fermentation using precooked cereal grains. Here, we propose low-cost palm oil residues as the main substrate using a cylindrical packed-column aerobic bioreactor prototype designed for conidial production of B. bassiana. Fermentation treatments using B. bassiana strain CG1229 assessed the impact of temperature, air flow, substrate moisture content, and ratio between palm fiber (PF) and palm kernel cake (PKC) on conidial yield and desiccation tolerance. Results showed significant enhanced productivity (2 ×1010 conidia g?1 dry matter) and reduced fermentation time (from 168 h to 120 h) by this method compared with the conventional tray bioreactor. Optimal substrate conditions were 60% initial moisture and 30% PF + 70% PKC content, fermentation at 26 °C with aeration rate ? 0.2 L min?1. Air drying conidia inside the column yielded > 95% germination. Maximum spore production was achieved in 120 h. Our findings demonstrate the feasibility of using a packed-column bioreactor for mass production of B. bassiana conidia using low-cost agricultural residues, which contributes to a sustainable production method of this biopesticide in Brazil. 650 $aBiological control agents 650 $abiopesticides 650 $aEntomopathogenic fungi 650 $aPalm oils 650 $aPlant residues 650 $aSolid state fermentation 650 $aBeauveria Bassiana 650 $aElaeis Guineensis 650 $aFermentação 650 $aFungo Para Controle Biológico 650 $aProdução 650 $aResíduo Orgânico 653 $aForced aeration 653 $aWaste valorization 700 1 $aMASCARIN, G. M. 700 1 $aLOPES, R. B. 700 1 $aFREIRE, D. M. G. 773 $tBiochemical Engineering Journal$gv. 198, article 109022, 2023.
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Embrapa Meio Ambiente (CNPMA) |
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