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| Registros recuperados : 2 | |
| 2. |  | VELLOSO, C. C. V.; CAMARGO, B. C. P.; SOUSA, M. D. B.; BUFFO, M. M.; OLIVEIRA-PAIVA, C. A.; FARINAS, C. S.; BALDINO, A. C. High yield of heat-resistant spores of Bacillus megaterium in bioreactors. Biochemical Engineering Journal, v. 198, 109030, 2023.| Biblioteca(s): Embrapa Instrumentação; Embrapa Milho e Sorgo. |
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| Registros recuperados : 2 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação; Embrapa Milho e Sorgo. |
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Data corrente: |
06/07/2023 |
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Data da última atualização: |
30/11/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
LOPES, M. M.; OLIVEIRA-PAIVA, C. A.; FARINAS, C. S. |
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Afiliação: |
MARINA MOMESSO LOPES; CHRISTIANE ABREU DE OLIVEIRA PAIVA, CNPMS; CRISTIANE SANCHEZ FARINAS, Universidade Federal de São Carlos. |
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Título: |
Modification of pectin/starch-based beads with additives to improve Bacillus subtilis encapsulation for agricultural applications. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
International Journal of Biological Macromolecules, v. 246, 125646, 2023. |
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DOI: |
https://doi.org/10.1016/j.ijbiomac.2023.125646 |
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Idioma: |
Inglês |
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Conteúdo: |
The use of Bacillus as biofertilizer is a sustainable strategy to increase agricultural productivity, but it still requires the development of formulations to protect cells from stressful conditions. Ionotropic gelation using a pectin/starch matrix is a promising encapsulation strategy to achieve this goal. By incorporating additives such as montmorillonite (MMT), attapulgite (ATP), polyethylene glycol (PEG), and carboxymethyl cellulose (CMC), the properties of these encapsulated products could be further improved. In this study, we investigated the influence of these additives on the properties of pectin/starch-based beads for the encapsulation of Bacillus subtilis. FTIR analysis indicated pectin and Ca2+ ions interactions, while the XRD showed good dispersion of clays in the materials. SEM and X-ray microtomography revealed differences in the morphology of the beads due to the use of the additives. The viabilities at the encapsulation were higher than 1010 CFU g?1 for all formulations, with differences in the release profiles. In terms of cell protection, the pectin/starch, pectin/starch-MMT and pectin/starch-CMC formulations showed the highest cell viability after exposure to fungicide, while the pectin/starch-ATP beads showed the best performance after UV exposure. Moreover, all formulations maintained more than 109 CFU g?1 after six months of storage, which meets values required for microbial inoculants. |
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Palavras-Chave: |
Encapsulamento; Inóculos microbianos; Miçanga. |
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Thesagro: |
Amido; Bacilo; Pectina. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02181naa a2200229 a 4500
001 2154817
005 2023-11-30
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.ijbiomac.2023.125646$2DOI
100 1 $aLOPES, M. M.
245 $aModification of pectin/starch-based beads with additives to improve Bacillus subtilis encapsulation for agricultural applications.$h[electronic resource]
260 $c2023
520 $aThe use of Bacillus as biofertilizer is a sustainable strategy to increase agricultural productivity, but it still requires the development of formulations to protect cells from stressful conditions. Ionotropic gelation using a pectin/starch matrix is a promising encapsulation strategy to achieve this goal. By incorporating additives such as montmorillonite (MMT), attapulgite (ATP), polyethylene glycol (PEG), and carboxymethyl cellulose (CMC), the properties of these encapsulated products could be further improved. In this study, we investigated the influence of these additives on the properties of pectin/starch-based beads for the encapsulation of Bacillus subtilis. FTIR analysis indicated pectin and Ca2+ ions interactions, while the XRD showed good dispersion of clays in the materials. SEM and X-ray microtomography revealed differences in the morphology of the beads due to the use of the additives. The viabilities at the encapsulation were higher than 1010 CFU g?1 for all formulations, with differences in the release profiles. In terms of cell protection, the pectin/starch, pectin/starch-MMT and pectin/starch-CMC formulations showed the highest cell viability after exposure to fungicide, while the pectin/starch-ATP beads showed the best performance after UV exposure. Moreover, all formulations maintained more than 109 CFU g?1 after six months of storage, which meets values required for microbial inoculants.
650 $aAmido
650 $aBacilo
650 $aPectina
653 $aEncapsulamento
653 $aInóculos microbianos
653 $aMiçanga
700 1 $aOLIVEIRA-PAIVA, C. A.
700 1 $aFARINAS, C. S.
773 $tInternational Journal of Biological Macromolecules$gv. 246, 125646, 2023.
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Embrapa Milho e Sorgo (CNPMS) |
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