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Registro Completo |
Biblioteca(s): |
Embrapa Agroenergia. |
Data corrente: |
16/11/2018 |
Data da última atualização: |
06/04/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CONCEIÇÃO, A. A.; SOARES NETO, C. B.; RIBEIRO, J. A. de A.; SIQUEIRA, F. G. de; MILLER, R. N. G.; MENDONCA, S. |
Afiliação: |
APARECIDO ALMEIDA CONCEIÇÃO, Universidade Federal da Bahia; CLEMENTE BATISTA SOARES NETO, Universidade de Brasília; JOSE ANTONIO DE AQUINO RIBEIRO, CNPAE; FELIX GONCALVES DE SIQUEIRA, CNPAE; ROBERT NEIL GERARD MILLER, Universidade de Brasília; SIMONE MENDONCA, CNPAE. |
Título: |
Development of an RP-UHPLC-PDA method for quantification of free gossypol in cottonseed cake and fungal-treated cottonseed cake. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Plos One, v. 13, n. 5, e0196164, May 2018. |
DOI: |
https://doi.org/10.1371/journal.pone.0196164 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Cottonseed cake biomass, which is a residue of oil extraction, is potentially appropriate for use as animal feed, given the high mineral, fibre and protein content. The presence of free gossypol, however, a toxic pigment in the glands of the cotton plant, limits use of this biomass for monogastric livestock. A promising method to detoxify cottonseed cake relies on fermentation by fungi, which can eliminate up to 100% of gossypol. In order to quantify trace levels of free gossypol in different cotton materials, including cottonseed cake treated with macrofungi, a simple and rapid chromatographic detection method was developed and validated. Under optimized conditions, extraction was performed using 70% acetone. The extract was then analysed by Ultra High-Performance Liquid Chromatography (UHPLC), with gradient elution on a C18 reverse phase column KINETEX® (100 x 2.10 mm, 2.6 um). Methanol-0.1% TFA aqueous solution was employed as mobile phase and PDA detection conducted at 254 nm. The optimized method was validated by analysis of specificity, linearity and range, limit of detection, limit of quantification, precision and accuracy. Detection and quantification limits were observed at 0.2 and 0.5 ug/mL, respectively. With good reproducibility, with precision (RSD)<10% and recovery greater than 94%, the developed assay was appropriate for quantification of low quantities of free gossypol. The validated method was successfully applied to determine trace levels of free gossypol cottonseed treated with a macrofungus. MenosAbstract: Cottonseed cake biomass, which is a residue of oil extraction, is potentially appropriate for use as animal feed, given the high mineral, fibre and protein content. The presence of free gossypol, however, a toxic pigment in the glands of the cotton plant, limits use of this biomass for monogastric livestock. A promising method to detoxify cottonseed cake relies on fermentation by fungi, which can eliminate up to 100% of gossypol. In order to quantify trace levels of free gossypol in different cotton materials, including cottonseed cake treated with macrofungi, a simple and rapid chromatographic detection method was developed and validated. Under optimized conditions, extraction was performed using 70% acetone. The extract was then analysed by Ultra High-Performance Liquid Chromatography (UHPLC), with gradient elution on a C18 reverse phase column KINETEX® (100 x 2.10 mm, 2.6 um). Methanol-0.1% TFA aqueous solution was employed as mobile phase and PDA detection conducted at 254 nm. The optimized method was validated by analysis of specificity, linearity and range, limit of detection, limit of quantification, precision and accuracy. Detection and quantification limits were observed at 0.2 and 0.5 ug/mL, respectively. With good reproducibility, with precision (RSD)<10% and recovery greater than 94%, the developed assay was appropriate for quantification of low quantities of free gossypol. The validated method was successfully applied to determine trace levels of free ... Mostrar Tudo |
Palavras-Chave: |
Human-serum albumin; Performance liquid-chromatography; Terpenoid aldehydes. |
Thesaurus Nal: |
Biomass; Cottonseed cake; Gossypol; White-rot fungi. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/222356/1/pone.0196164.pdf
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Marc: |
LEADER 02441naa a2200277 a 4500 001 2099518 005 2021-04-06 008 2018 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1371/journal.pone.0196164$2DOI 100 1 $aCONCEIÇÃO, A. A. 245 $aDevelopment of an RP-UHPLC-PDA method for quantification of free gossypol in cottonseed cake and fungal-treated cottonseed cake.$h[electronic resource] 260 $c2018 520 $aAbstract: Cottonseed cake biomass, which is a residue of oil extraction, is potentially appropriate for use as animal feed, given the high mineral, fibre and protein content. The presence of free gossypol, however, a toxic pigment in the glands of the cotton plant, limits use of this biomass for monogastric livestock. A promising method to detoxify cottonseed cake relies on fermentation by fungi, which can eliminate up to 100% of gossypol. In order to quantify trace levels of free gossypol in different cotton materials, including cottonseed cake treated with macrofungi, a simple and rapid chromatographic detection method was developed and validated. Under optimized conditions, extraction was performed using 70% acetone. The extract was then analysed by Ultra High-Performance Liquid Chromatography (UHPLC), with gradient elution on a C18 reverse phase column KINETEX® (100 x 2.10 mm, 2.6 um). Methanol-0.1% TFA aqueous solution was employed as mobile phase and PDA detection conducted at 254 nm. The optimized method was validated by analysis of specificity, linearity and range, limit of detection, limit of quantification, precision and accuracy. Detection and quantification limits were observed at 0.2 and 0.5 ug/mL, respectively. With good reproducibility, with precision (RSD)<10% and recovery greater than 94%, the developed assay was appropriate for quantification of low quantities of free gossypol. The validated method was successfully applied to determine trace levels of free gossypol cottonseed treated with a macrofungus. 650 $aBiomass 650 $aCottonseed cake 650 $aGossypol 650 $aWhite-rot fungi 653 $aHuman-serum albumin 653 $aPerformance liquid-chromatography 653 $aTerpenoid aldehydes 700 1 $aSOARES NETO, C. B. 700 1 $aRIBEIRO, J. A. de A. 700 1 $aSIQUEIRA, F. G. de 700 1 $aMILLER, R. N. G. 700 1 $aMENDONCA, S. 773 $tPlos One$gv. 13, n. 5, e0196164, May 2018.
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Embrapa Agroenergia (CNPAE) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Agropecuária Oeste. Para informações adicionais entre em contato com cpao.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Agropecuária Oeste. |
Data corrente: |
21/08/2007 |
Data da última atualização: |
19/02/2008 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Circulação/Nível: |
-- - -- |
Autoria: |
LOURENTE, E. R. P.; SILVA, R. F. da; SILVA, D. A.; MARCHETTI, M. E.; MERCANTE, F. M. |
Afiliação: |
Elaine Reis Pinheiro Laurente, Universidade Federal da Grande Dourados; Rogério Ferreira da Silva, Bolsista pós-doutorado júnior CNPq/Embrapa Agropecuária Oeste; Denis Augusto da Silva, Universidade Federal da Grande Dourados; Marlene Estevão Marchetti, Universidade Federal da Grande Dourados; Fábio Martins Mercante, Embrapa Agropecuária Oeste. |
Título: |
Diferentes sistemas de manejo do solo e seus efeitos sobre a macrofauna edáfica. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 31., 2007, Gramado. Conquistas e desafios da ciência do solo brasileira. Gramado: SBCS: UFRGS Solos, 2007. |
Descrição Física: |
1 CD-ROM. |
Idioma: |
Português |
Palavras-Chave: |
Macrofauna. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00625naa a2200181 a 4500 001 1245489 005 2008-02-19 008 2007 bl uuuu u00u1 u #d 100 1 $aLOURENTE, E. R. P. 245 $aDiferentes sistemas de manejo do solo e seus efeitos sobre a macrofauna edáfica. 260 $c2007 300 $c1 CD-ROM. 653 $aMacrofauna 700 1 $aSILVA, R. F. da 700 1 $aSILVA, D. A. 700 1 $aMARCHETTI, M. E. 700 1 $aMERCANTE, F. M. 773 $tIn: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 31., 2007, Gramado. Conquistas e desafios da ciência do solo brasileira. Gramado: SBCS: UFRGS Solos, 2007.
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