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Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
20/04/2010 |
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Data da última atualização: |
01/11/2021 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
NOVAES, H. B.; VAITSMAN, D. S.; DUTRA, P. B.; PEREZ, D. V. |
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Afiliação: |
HUMBERTO BREVILATO NOVAES, UFRJ; DELMO SANTIAGO VAITSMAN, UFRJ; PAULO BECHARA DUTRA, UFRJ; DANIEL VIDAL PEREZ, CNPS. |
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Título: |
Determination of nitrate in lettuce by ion chromatography after microwave water extraction. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Química Nova, São Paulo, v. 32, n. 6, p. 1647-1650, 2009. |
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DOI: |
https://doi.org/10.1590/S0100-40422009000600049 |
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Idioma: |
Inglês |
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Conteúdo: |
Lettuce is worldwide known as the most important vegetable. In this context, most farmers are searching new techniques for best quality products including hydropony. However, nitrate is of great concern, since it has a negative impact on human metabolism. The main objective of the present work was to evaluate the nitrate content of lettuce produced by conventional and hydroponic systems. The determination was conducted by ion chromatography and a new method of extraction was tested using microwave oven digestion. The results indicated that nitrate level produced in the conventional system was lower than in the hydroponic system. |
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Palavras-Chave: |
Chromatrography. |
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Thesagro: |
Cromatografia. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/184915/1/Daniel-Revista-Quimica-Nova.pdf
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Marc: |
LEADER 01254naa a2200193 a 4500
001 1697117
005 2021-11-01
008 2009 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/S0100-40422009000600049$2DOI
100 1 $aNOVAES, H. B.
245 $aDetermination of nitrate in lettuce by ion chromatography after microwave water extraction.$h[electronic resource]
260 $c2009
520 $aLettuce is worldwide known as the most important vegetable. In this context, most farmers are searching new techniques for best quality products including hydropony. However, nitrate is of great concern, since it has a negative impact on human metabolism. The main objective of the present work was to evaluate the nitrate content of lettuce produced by conventional and hydroponic systems. The determination was conducted by ion chromatography and a new method of extraction was tested using microwave oven digestion. The results indicated that nitrate level produced in the conventional system was lower than in the hydroponic system.
650 $aCromatografia
653 $aChromatrography
700 1 $aVAITSMAN, D. S.
700 1 $aDUTRA, P. B.
700 1 $aPEREZ, D. V.
773 $tQuímica Nova, São Paulo$gv. 32, n. 6, p. 1647-1650, 2009.
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Embrapa Solos (CNPS) |
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