| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Florestas. |
|
Data corrente: |
03/11/2016 |
|
Data da última atualização: |
11/07/2017 |
|
Tipo da produção científica: |
Artigo em Anais de Congresso |
|
Autoria: |
SIQUEIRA, G. L. de A. de; LAZZAROTTU, S. R. da S.; HORNUNG, P. S.; SILVEIRA, A. C. da; BANNACH, G.; SCHNITZLER, E.; LAZZAROTTO, M. |
|
Afiliação: |
Geisa Liandra de Andrade de Siqueira, Doutoranda da UEPG; Simone Rosa da Silveira Lazzarotto, Doutoranda da UEPG; Polyanna Silveira Hornung, UFPR; Ana Claudia da Silveira, UFPR; Gilbert Bannach, UNESP; Egon Schnitzler, UEPG; MARCELO LAZZAROTTO, CNPF. |
|
Título: |
Evaluation of double treated starches using thermal tools. |
|
Ano de publicação: |
2016 |
|
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE ANÁLISE TÉRMICA E CALORIMETRIA, 10.; CONGRESSO PAN AMERICANO DE ANÁLISE TÉRMICA E CALORIMETRIA, 4., 2016, São Paulo. Trabalhos. [S.l.]: ABRATEC, 2016. |
|
Páginas: |
4 p. |
|
Descrição Física: |
Disponível online. |
|
Idioma: |
Inglês |
|
Conteúdo: |
Starch is the main polysaccharide found in cereals, composed by amylose and amylopectin. Corn is the principal source of starches worldwide. Starches treatment, through physical, chemical and/or biological methods, can improve the applications range. Acid modification in alcoholic solution promotes minimally degradation in the granule. Ball mill is one physical method poorly explored. The aim was to treat the starches using HCl 0.5 mol L-1 for 1 hour in 100 ml of aqueous, ethanol or methanol solutions with subsequent ball milling processes. One sample was selected as native sample. The four others, one native sample and three acid modified samples, were treated by physical process with the oscillating ball mill. The DTG-60H equipment was used for the TG and DTA analysis. The TG curves showed three mass losses related to dehydration, decomposition and oxidation. The native sample without physical modification showed major resistance to total degradation. This occurs because the physical modification cleaves hydrogen bonds, leaving a weakened granule. The TGDTA results showed that the mass loss in the 2nd event was minor in the hydrolyzed samples compared with native samples. The acid modification can provide starch higher resistance to degradation up to 340 °C. These results showed that chemical and physical treatment changed the thermal behaviors of the starches. |
|
Palavras-Chave: |
Análise térmica; Ball mill; Moinho de bolas. |
|
Thesagro: |
Amido. |
|
Thesaurus Nal: |
Starch; Thermal analysis. |
|
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/149540/1/2016-MarceloL-CBATC-Evaluation.pdf
|
|
Marc: |
LEADER 02271nam a2200265 a 4500
001 2055830
005 2017-07-11
008 2016 bl uuuu u00u1 u #d
100 1 $aSIQUEIRA, G. L. de A. de
245 $aEvaluation of double treated starches using thermal tools.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE ANÁLISE TÉRMICA E CALORIMETRIA, 10.; CONGRESSO PAN AMERICANO DE ANÁLISE TÉRMICA E CALORIMETRIA, 4., 2016, São Paulo. Trabalhos. [S.l.]: ABRATEC$c2016
300 $a4 p.$cDisponível online.
520 $aStarch is the main polysaccharide found in cereals, composed by amylose and amylopectin. Corn is the principal source of starches worldwide. Starches treatment, through physical, chemical and/or biological methods, can improve the applications range. Acid modification in alcoholic solution promotes minimally degradation in the granule. Ball mill is one physical method poorly explored. The aim was to treat the starches using HCl 0.5 mol L-1 for 1 hour in 100 ml of aqueous, ethanol or methanol solutions with subsequent ball milling processes. One sample was selected as native sample. The four others, one native sample and three acid modified samples, were treated by physical process with the oscillating ball mill. The DTG-60H equipment was used for the TG and DTA analysis. The TG curves showed three mass losses related to dehydration, decomposition and oxidation. The native sample without physical modification showed major resistance to total degradation. This occurs because the physical modification cleaves hydrogen bonds, leaving a weakened granule. The TGDTA results showed that the mass loss in the 2nd event was minor in the hydrolyzed samples compared with native samples. The acid modification can provide starch higher resistance to degradation up to 340 °C. These results showed that chemical and physical treatment changed the thermal behaviors of the starches.
650 $aStarch
650 $aThermal analysis
650 $aAmido
653 $aAnálise térmica
653 $aBall mill
653 $aMoinho de bolas
700 1 $aLAZZAROTTU, S. R. da S.
700 1 $aHORNUNG, P. S.
700 1 $aSILVEIRA, A. C. da
700 1 $aBANNACH, G.
700 1 $aSCHNITZLER, E.
700 1 $aLAZZAROTTO, M.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Florestas (CNPF) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
Registro Completo
|
Biblioteca(s): |
Embrapa Agroenergia. |
|
Data corrente: |
07/02/2022 |
|
Data da última atualização: |
07/02/2022 |
|
Tipo da produção científica: |
Folder/Folheto/Cartilha |
|
Autoria: |
INRAE. |
|
Título: |
International Science Foresight Workshop: global challenges and research gaps. |
|
Ano de publicação: |
2021 |
|
Fonte/Imprenta: |
Paris: INRAE, 2021. |
|
Idioma: |
Inglês |
|
Notas: |
Na publicação: Maurício Lopes, pesquisador, Embrapa Agroenergia. |
|
Palavras-Chave: |
Objetivos de Desenvolvimento Sustentável; Relatório; Sustainable Development Goals. |
|
Thesaurus NAL: |
Environmental sustainability; Sustainable agriculture. |
|
Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/230935/1/Mauricio-International-Science-Foresight-Workshop.pdf
|
|
Marc: |
LEADER 00597nam a2200169 a 4500
001 2139765
005 2022-02-07
008 2021 bl uuuu t 00u1 u #d
100 1 $aINRAE
245 $aInternational Science Foresight Workshop$bglobal challenges and research gaps.$h[electronic resource]
260 $aParis: INRAE$c2021
500 $aNa publicação: Maurício Lopes, pesquisador, Embrapa Agroenergia.
650 $aEnvironmental sustainability
650 $aSustainable agriculture
653 $aObjetivos de Desenvolvimento Sustentável
653 $aRelatório
653 $aSustainable Development Goals
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Agroenergia (CNPAE) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
|
|
| Registros recuperados : 1 | |
| 1. |  | 1100056, CANADIAN PLANT DISEASE SURVEY, Research Branch Agriculture Canada, Ottawa-Canada
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Agropecuária Oeste; Embrapa Arroz e Feijão; Embrapa Cerrados; Embrapa Clima Temperado; Embrapa Hortaliças; Embrapa Trigo; Embrapa Uva e Vinho. |   |
| Registros recuperados : 1 | |
|
|
|
