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| 127. |  | KARAM, D.; OLIVEIRA, M. F. de; PEREIRA FILHO, I. A.; JESUS, L. L. Sensibilidade de híbridos de milho e herbicidas pós-emergentes aplicados em dois estádios fenológicos da cultura. In: CONGRESSO NACIONAL DE MILHO E SORGO, 27.; SIMPOSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 3.; WORKSHOP SOBRE MANEJO E ETIOLOGIA DA MANCHA BRANCA DO MILHO, 2008, Londrina. Agroenergia, produção de alimentos e mudanças climáticas: desafios para milho e sorgo: trabalhos e palestras. [Londrina]: IAPAR; [Sete Lagoas]: Embrapa Milho e Sorgo, 2008. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
04/10/2010 |
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Data da última atualização: |
30/06/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
C - 0 |
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Autoria: |
GROMBONI, C. F.; CARAPELLI, R.; FEREIRA FILHO, E. R.; NOGUEIRA, A. R. de A. |
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Afiliação: |
CAIO FERMANDO GROMBONI, UFSCar/SÃO CARLOS, SP; RODOLFO CARAPELLI, UFSCar/SÃO CARLOS, SP; EDENIR RODRIGUES PEREIRA FILHO, UFSCar/SÃO CARLOS, SP; ANA RITA DE ARAUJO NOGUEIRA, CPPSE. |
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Título: |
Evaluation of different sample preparation procedures using chemometrics: comparison among photo-fenton reaction, microwave irradiation, and direct determination of minerals in fruit juices. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Food Analytical Methods, v. 3, p. 98-103, 2010. |
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DOI: |
0.1007/s12161-009-9097-9 |
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Idioma: |
Português |
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Conteúdo: |
In this work, an exploratory study about the mineral characteristic of some fruit juice (passion fruit, pineapple, orange, and grape) applying chemometric tools was made. The juices analyzed were separated in different groups by principal components analysis and hierarchical components analysis in accordance with their minerals contents. Barium, C, Ca, K, Mg, Mn, Na, and Sr were determined by inductively coupled plasma optical emission spectrometry. Addition and recovery methods were used for confirmation of the results. The recovery range for microwave sample preparation was from 81% (for K) to 111% (for Mn), for photo-Fenton from 102% (for Ca e Mg) to 128% (for Na), and the direct analysis, without sample preparation step, from 96% (for K) to 139% (for Mn). A new method based on photo-Fenton reaction coupled with microwave radiation for juice decomposition was proposed; the obtained results were satisfactory and compatible with the conventional methods of analysis in accordance with Student's statistic t test and chemometric tools. |
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Palavras-Chave: |
Direct Determination; Photo-Fenton. |
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Thesaurus NAL: |
fruit juices; microwave radiation; ultraviolet radiation. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/28786/1/anafoodanalmethods-1.pdf
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Marc: |
LEADER 01855naa a2200229 a 4500
001 1863477
005 2023-06-30
008 2010 bl uuuu u00u1 u #d
024 7 $a0.1007/s12161-009-9097-9$2DOI
100 1 $aGROMBONI, C. F.
245 $aEvaluation of different sample preparation procedures using chemometrics$bcomparison among photo-fenton reaction, microwave irradiation, and direct determination of minerals in fruit juices.$h[electronic resource]
260 $c2010
520 $aIn this work, an exploratory study about the mineral characteristic of some fruit juice (passion fruit, pineapple, orange, and grape) applying chemometric tools was made. The juices analyzed were separated in different groups by principal components analysis and hierarchical components analysis in accordance with their minerals contents. Barium, C, Ca, K, Mg, Mn, Na, and Sr were determined by inductively coupled plasma optical emission spectrometry. Addition and recovery methods were used for confirmation of the results. The recovery range for microwave sample preparation was from 81% (for K) to 111% (for Mn), for photo-Fenton from 102% (for Ca e Mg) to 128% (for Na), and the direct analysis, without sample preparation step, from 96% (for K) to 139% (for Mn). A new method based on photo-Fenton reaction coupled with microwave radiation for juice decomposition was proposed; the obtained results were satisfactory and compatible with the conventional methods of analysis in accordance with Student's statistic t test and chemometric tools.
650 $afruit juices
650 $amicrowave radiation
650 $aultraviolet radiation
653 $aDirect Determination
653 $aPhoto-Fenton
700 1 $aCARAPELLI, R.
700 1 $aFEREIRA FILHO, E. R.
700 1 $aNOGUEIRA, A. R. de A.
773 $tFood Analytical Methods$gv. 3, p. 98-103, 2010.
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Embrapa Pecuária Sudeste (CPPSE) |
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