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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
05/12/2023 |
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Data da última atualização: |
05/12/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SPACKI, K. de C.; NOVI, D. M. P.; DURIGON, D. C.; FRAGA, F. C.; SANTOS, L. F. O.; HELM, C. V.; LIMA, E. A. de; PERALTA, R. A.; MOREIRA, R. de F. P. M.; CORRÊA, R. C. G.; BRACHT, A.; PERALTA, R. M. |
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Afiliação: |
KAMILA DE CASSIA SPACKI, UNIVERSIDADE ESTADUAL DE MARINGÁ; DANIELLY MARIA PAIXÃO NOVI, UNIVERSIDADE ESTADUAL DE MARINGÁ; DANIELE COCCO DURIGON, UNIVERSIDADE FEDERAL DE SANTA CATARINA; FERNANDA CRISTINA FRAGA, UNIVERSIDADE FEDERAL DE SANTA CATARINA; LUIS FELIPE OLIVA SANTOS, UNIVERSIDADE ESTADUAL DE MARINGÁ; CRISTIANE VIEIRA HELM, CNPF; EDSON ALVES DE LIMA, CNPF; ROSELY APARECIDA PERALTA, UNIVERSIDADE FEDERAL DE SANTA CATARINA; REGINA DE FATIMA PERALTA MUNIZ MOREIRA, UNIVERSIDADE FEDERAL DE SANTA CATARINA; RUBIA CARVALHO GOMES CORRÊA, CENTRO UNIVERSITÁRIO DE MARINGÁ; ADELAR BRACHT, UNIVERSIDADE ESTADUAL DE MARINGÁ; ROSANE MARINA PERALTA, UNIVERSIDADE ESTADUAL DE MARINGÁ. |
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Título: |
Improving enzymatic saccharification of peach palm (Bactris gasipaes) waste by biological pretreatment with Pleurotus ostreatus. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS E NUTRIÇÃO, 15., 2023, Campinas. Caderno de resumos [...]. Campinas: Galoá Science, 2023. |
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Páginas: |
p. 109-110. |
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ISBN: |
978-65-89463-70-2 |
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Idioma: |
Português |
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Notas: |
SLACAN 2023. |
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Conteúdo: |
Popularly known as pupunha, Bactris gasipaes Kunth is a palm tree native to the Amazon region whose planting has extended to the Southern and Southeastern states of Brazil. The production and consumption of peach palm generate a huge volume of by-products. It is estimated that approximately 84% of the total weight of the palm are lignocellulosic wastes. The white-rot fungus Pleurotus ostreatus was used for biological pretreatment of peach palm lignocellulosic wastes (inner sheath and peel) for improving the enzymatic saccharification and production of glucose. Non-treated and pre-treated B. gasipaes inner sheath and peel were submitted to hydrolysis by a commercial cellulase preparation from T. reesei. The amounts of total reducing sugars and glucose obtained from the 30d-pretreated inner sheath were seven and five times superior, respectively, when compared to those obtained with the non-pretreated inner sheath. However, the pre-treatment did not cause any improvement in the saccharification of the B. gasipaes peel. Scanning electronic microscopy of lignocellulosic fibers was done to verify the structural changes caused by the biological pretreatments. Upon the biological pretreatment the lignocellulosic structures of the inner sheath were substantially modified to less ordered ones. The main features of the modifications were detachment of the fibers, cell wall collapse and, in several cases, formation of pores in the cell wall surfaces. The peel lignocellulosic fibers showed more ordered fibrils and no modification was observed after pre-treatment. In conclusion, P. ostreatus pretreatment considerably improved saccharification of the B. gasipaes inner sheath (7-fold), but ´pretreatment of the peel was largely ineffective. MenosPopularly known as pupunha, Bactris gasipaes Kunth is a palm tree native to the Amazon region whose planting has extended to the Southern and Southeastern states of Brazil. The production and consumption of peach palm generate a huge volume of by-products. It is estimated that approximately 84% of the total weight of the palm are lignocellulosic wastes. The white-rot fungus Pleurotus ostreatus was used for biological pretreatment of peach palm lignocellulosic wastes (inner sheath and peel) for improving the enzymatic saccharification and production of glucose. Non-treated and pre-treated B. gasipaes inner sheath and peel were submitted to hydrolysis by a commercial cellulase preparation from T. reesei. The amounts of total reducing sugars and glucose obtained from the 30d-pretreated inner sheath were seven and five times superior, respectively, when compared to those obtained with the non-pretreated inner sheath. However, the pre-treatment did not cause any improvement in the saccharification of the B. gasipaes peel. Scanning electronic microscopy of lignocellulosic fibers was done to verify the structural changes caused by the biological pretreatments. Upon the biological pretreatment the lignocellulosic structures of the inner sheath were substantially modified to less ordered ones. The main features of the modifications were detachment of the fibers, cell wall collapse and, in several cases, formation of pores in the cell wall surfaces. The peel lignocellulosic fibers sho... Mostrar Tudo |
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Palavras-Chave: |
Bioeconomia circular; Circular bioeconomy; Enzimatic saccharification; Resíduos; Scarificação enzimática. |
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Thesagro: |
Bactris Gasipaes; Subproduto. |
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Thesaurus Nal: |
Pleurotus ostreatus. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02977nam a2200373 a 4500
001 2159150
005 2023-12-05
008 2023 bl uuuu u00u1 u #d
020 $a978-65-89463-70-2
100 1 $aSPACKI, K. de C.
245 $aImproving enzymatic saccharification of peach palm (Bactris gasipaes) waste by biological pretreatment with Pleurotus ostreatus.$h[electronic resource]
260 $aIn: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS E NUTRIÇÃO, 15., 2023, Campinas. Caderno de resumos [...]. Campinas: Galoá Science$c2023
300 $ap. 109-110.
500 $aSLACAN 2023.
520 $aPopularly known as pupunha, Bactris gasipaes Kunth is a palm tree native to the Amazon region whose planting has extended to the Southern and Southeastern states of Brazil. The production and consumption of peach palm generate a huge volume of by-products. It is estimated that approximately 84% of the total weight of the palm are lignocellulosic wastes. The white-rot fungus Pleurotus ostreatus was used for biological pretreatment of peach palm lignocellulosic wastes (inner sheath and peel) for improving the enzymatic saccharification and production of glucose. Non-treated and pre-treated B. gasipaes inner sheath and peel were submitted to hydrolysis by a commercial cellulase preparation from T. reesei. The amounts of total reducing sugars and glucose obtained from the 30d-pretreated inner sheath were seven and five times superior, respectively, when compared to those obtained with the non-pretreated inner sheath. However, the pre-treatment did not cause any improvement in the saccharification of the B. gasipaes peel. Scanning electronic microscopy of lignocellulosic fibers was done to verify the structural changes caused by the biological pretreatments. Upon the biological pretreatment the lignocellulosic structures of the inner sheath were substantially modified to less ordered ones. The main features of the modifications were detachment of the fibers, cell wall collapse and, in several cases, formation of pores in the cell wall surfaces. The peel lignocellulosic fibers showed more ordered fibrils and no modification was observed after pre-treatment. In conclusion, P. ostreatus pretreatment considerably improved saccharification of the B. gasipaes inner sheath (7-fold), but ´pretreatment of the peel was largely ineffective.
650 $aPleurotus ostreatus
650 $aBactris Gasipaes
650 $aSubproduto
653 $aBioeconomia circular
653 $aCircular bioeconomy
653 $aEnzimatic saccharification
653 $aResíduos
653 $aScarificação enzimática
700 1 $aNOVI, D. M. P.
700 1 $aDURIGON, D. C.
700 1 $aFRAGA, F. C.
700 1 $aSANTOS, L. F. O.
700 1 $aHELM, C. V.
700 1 $aLIMA, E. A. de
700 1 $aPERALTA, R. A.
700 1 $aMOREIRA, R. de F. P. M.
700 1 $aCORRÊA, R. C. G.
700 1 $aBRACHT, A.
700 1 $aPERALTA, R. M.
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Registro original: |
Embrapa Florestas (CNPF) |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
20/09/2022 |
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Data da última atualização: |
20/09/2022 |
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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: |
RODRIGUES, A. L.; MATTOS, P. P. de; SANQUETTA, C. R.; BRAZ, E. M.; MACHADO, S. do A. |
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Afiliação: |
AURÉLIO LOURENÇO RODRIGUES, SANEPAR; PATRICIA POVOA DE MATTOS, CNPF; CARLOS ROBERTO SANQUETTA, UNIVERSIDADE FEDERAL DO PARANÁ; EVALDO MUNOZ BRAZ, CNPF; SEBASTIÃO DO AMARAL MACHADO, UNIVERSIDADE FEDERAL DO PARANÁ. |
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Título: |
Demographic dynamics of araucaria trees in forest fragments with different structural conditions. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Forest Ecology and Management, v. 524, 120496, p. 1-7, 2022. |
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DOI: |
https://doi.org/10.1016/j.foreco.2022.120496 |
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Idioma: |
Português |
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Conteúdo: |
The demographic processes of a tree community, such as recruitment and mortality of individuals, significantly affect the other dynamic and structural events of forests. The objective of this research was to evaluate the recruitment and mortality rates of Araucaria angustifolia (Bertol.) Kuntze in forest remnants in Southern Paraná. Data came from seven permanent sample plots of 1 ha each, installed in 1999 and monitored annually for 14 years. Mortality and recruitment, as well as gain and loss rates of basal area, were obtained for the plots, which represent distinct structural features of the remnants. The data indicated that there is not equilibrium among the rates of mortality and recruitment. In general the rate of recruitment was significantly higher than the rate of mortality. From the seven studied plots only two of them had higher rates of mortality than recruitment. The density of the plots had a direct influence on mortality and an inverse influence on recruitment. |
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Palavras-Chave: |
Estrutura; Modelagem; Modeling; Recruitment; Recrutamento; Structure. |
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Thesagro: |
Araucária Angustifólia; Mortalidade. |
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Thesaurus NAL: |
Mortality. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 01847naa a2200289 a 4500
001 2146620
005 2022-09-20
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.foreco.2022.120496$2DOI
100 1 $aRODRIGUES, A. L.
245 $aDemographic dynamics of araucaria trees in forest fragments with different structural conditions.$h[electronic resource]
260 $c2022
520 $aThe demographic processes of a tree community, such as recruitment and mortality of individuals, significantly affect the other dynamic and structural events of forests. The objective of this research was to evaluate the recruitment and mortality rates of Araucaria angustifolia (Bertol.) Kuntze in forest remnants in Southern Paraná. Data came from seven permanent sample plots of 1 ha each, installed in 1999 and monitored annually for 14 years. Mortality and recruitment, as well as gain and loss rates of basal area, were obtained for the plots, which represent distinct structural features of the remnants. The data indicated that there is not equilibrium among the rates of mortality and recruitment. In general the rate of recruitment was significantly higher than the rate of mortality. From the seven studied plots only two of them had higher rates of mortality than recruitment. The density of the plots had a direct influence on mortality and an inverse influence on recruitment.
650 $aMortality
650 $aAraucária Angustifólia
650 $aMortalidade
653 $aEstrutura
653 $aModelagem
653 $aModeling
653 $aRecruitment
653 $aRecrutamento
653 $aStructure
700 1 $aMATTOS, P. P. de
700 1 $aSANQUETTA, C. R.
700 1 $aBRAZ, E. M.
700 1 $aMACHADO, S. do A.
773 $tForest Ecology and Management$gv. 524, 120496, p. 1-7, 2022.
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