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| Registros recuperados : 191 | |
| Registros recuperados : 191 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
13/09/2023 |
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Data da última atualização: |
13/09/2023 |
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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: |
OLIVEIRA FILHO, J. G.; SILVA, C. O.; EGEA, M. B.; AZEREDO, H. M. C. de; MATTOSO, L. H. C. |
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Afiliação: |
EMBRAPA INSTRUMENTAÇÃO; UNIVERSIDADE FEDERAL DE SÃO CARLOS; Goiano Federal Institute of Education; HENRIETTE MONTEIRO C DE AZEREDO, CNPDIA; LUIZ HENRIQUE CAPPARELLI MATTOSO, CNPDIA. |
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Título: |
Employing alternative culture media in kefiran exopolysaccharide production: Impact on microbial diversity, physicochemical properties, and bioactivities. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
International Journal of Biological Macromolecules, v. 246, 125648, 2023. |
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Páginas: |
1 - 10 |
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ISSN: |
0141-8130 |
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DOI: |
https://doi.org/10.1016/j.ijbiomac.2023.125648 |
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Idioma: |
Inglês |
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Conteúdo: |
Kefiran is a biomaterial with potential application in developing novel materials for food technology. In this study, sugarcane sugar (REF), raw sugar (RAS), brown sugar (BRS), soy molasses (SOM), and sugarcane molasses (SCM) were evaluated for the production of kefiran from kefir biomass rather than cow?s milk (CMK), the usual medium. The produced kefiran was purified and characterized by colorimetry, Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis, and morphology. It was also assayed for antioxidant and antimicrobial activity. SCM had the highest average daily rate of kefir biomass production (29.17 %/day). The composition of the culture medium affected the microbial diversity of kefir grains, and the Lactobacillus genus was the most abundant (39.8 %, 40.0 %, and 83.9 % to SCM, SOM, and CMK, respectively) in the samples that presented the highest biomass production and kefiran extraction yields. FTIR spectra showed that the bands of kefiran produced in REF and RAS were narrower than those of the other samples. Kefiran grew in an alternative culture medium also exhibited higher thermal stability (Tonset and TMax was higher than 250 and 280 ◦C, respectively). Those grown in SOM and SCM displayed antimicrobial and antioxidant activities similar to those of kefiran produced in CMK. The results indicate that agro-industrial by-products (SCM and SOM) are potential alternatives for kefiran production from kefir biomass. |
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Palavras-Chave: |
Soy molasses; Sugarcane molasses. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02262naa a2200229 a 4500
001 2156666
005 2023-09-13
008 2023 bl uuuu u00u1 u #d
022 $a0141-8130
024 7 $ahttps://doi.org/10.1016/j.ijbiomac.2023.125648$2DOI
100 1 $aOLIVEIRA FILHO, J. G.
245 $aEmploying alternative culture media in kefiran exopolysaccharide production$bImpact on microbial diversity, physicochemical properties, and bioactivities.$h[electronic resource]
260 $c2023
300 $a1 - 10
520 $aKefiran is a biomaterial with potential application in developing novel materials for food technology. In this study, sugarcane sugar (REF), raw sugar (RAS), brown sugar (BRS), soy molasses (SOM), and sugarcane molasses (SCM) were evaluated for the production of kefiran from kefir biomass rather than cow?s milk (CMK), the usual medium. The produced kefiran was purified and characterized by colorimetry, Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis, and morphology. It was also assayed for antioxidant and antimicrobial activity. SCM had the highest average daily rate of kefir biomass production (29.17 %/day). The composition of the culture medium affected the microbial diversity of kefir grains, and the Lactobacillus genus was the most abundant (39.8 %, 40.0 %, and 83.9 % to SCM, SOM, and CMK, respectively) in the samples that presented the highest biomass production and kefiran extraction yields. FTIR spectra showed that the bands of kefiran produced in REF and RAS were narrower than those of the other samples. Kefiran grew in an alternative culture medium also exhibited higher thermal stability (Tonset and TMax was higher than 250 and 280 ◦C, respectively). Those grown in SOM and SCM displayed antimicrobial and antioxidant activities similar to those of kefiran produced in CMK. The results indicate that agro-industrial by-products (SCM and SOM) are potential alternatives for kefiran production from kefir biomass.
653 $aSoy molasses
653 $aSugarcane molasses
700 1 $aSILVA, C. O.
700 1 $aEGEA, M. B.
700 1 $aAZEREDO, H. M. C. de
700 1 $aMATTOSO, L. H. C.
773 $tInternational Journal of Biological Macromolecules$gv. 246, 125648, 2023.
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