Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Eugenia Azevedo Vargas"'
Autor:
Maria de Lourdes Mendes de Souza, Michael Sulyok, Otniel Freitas-Silva, Sônia Soares Costa, Catherine Brabet, Miguel Machinski Junior, Beatriz Leiko Sekiyama, Eugenia Azevedo Vargas, Rudolf Krska, Rainer Schuhmacher
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
The objective of this study was to quantitatively evaluate mycotoxins in samples of maize and poultry feed produced in Brazil. A multimycotoxin method based on HPLC-MS/MS was applied to investigate the occurrence of toxical fungal metabolites in 119
Externí odkaz:
https://doaj.org/article/6d26a4ca2edb43b785756544dbec85c0
Autor:
L. C. M. Pinto, F. Madureira, A. Santos, Adriana F. Faria, Eugenia Azevedo Vargas, Rodinei Augusti
Publikováno v:
World Mycotoxin Journal. 14:339-346
Plant-based beverages (popularly known as vegetable milk) have become increasingly important in recent years. However, the nonexistence of information on mycotoxin contamination is noticeable. We herein describe the development and validation of an a
Autor:
Daiane Cássia Pereira, Abreu, Eugenia Azevedo, Vargas, Fabiano Aurélio, da Silva Oliveira, Fernando Diniz, Madureira, Mateus Batista, Gomes, Matheus Julien Ferreira, Bazzana, Adelir Aparecida, Saczk
Publikováno v:
Food Chemistry. 399:133902
The aim of this manuscript was to validate and apply an analytical methodology for the simultaneous determination of 34 mycotoxins in cocoa. The extraction method used in the tests was a liquid-liquid partition by NaCl addition with a freezing step f
Autor:
Eugenia Azevedo Vargas, Eliene Alves dos Santos, Júlio César Veloso Terra, Lucas Pinto da Silva, Rodinei Augusti, Ana Cristina Barbosa, Fabiano Aurélio da Silva
Publikováno v:
Food Additives & Contaminants: Part A. 37:2135-2148
Although beer is one of the most popular alcoholic beverages in the world, there is no specific legislation regarding contaminants, especially mycotoxins, for this product. The present manuscript reports the development and validation of an analytica
Autor:
Adriana F. Faria, Eugenia Azevedo Vargas, Rodinei Augusti, Lucas Pinto da Silva, Fernando Diniz Madureira
Publikováno v:
Food Analytical Methods. 13:1530-1537
A new method for the quantification of four aflatoxins (AFB1, AFB2, AFG1, and AFG2) in baby food samples is described herein. In this method, the extraction/cleanup step was performed by using multi-walled carbon nanotubes as a sorbent material in a
Autor:
Fernando D. Madureira, Fabiano Aurélio da Silva, Renata Pereira Lopes, Lucas M. F. Oliveira, Marina Ferreira dos Reis, Eugenia Azevedo Vargas
Publikováno v:
Journal of the Brazilian Chemical Society v.32 n.11 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 11, Pages: 2132-2139, Published: 25 OCT 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 11, Pages: 2132-2139, Published: 25 OCT 2021
In this work, a method for food dyes determination in fibrous fruit pulps was developed. The analytes Tartrazine, Twilight Yellow FCF, Erythrosine, Orange G and Allura Red were analyzed by reverse phase chromatography with diode array (DAD) detection
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f2528041b3047bb16060070f0584c87
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532021001102132
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532021001102132
Autor:
Eugenia Azevedo Vargas, Adriana F. Faria, Rodinei Augusti, Lucas Pinto da Silva, Fernando Diniz Madureira
Publikováno v:
Food Chemistry. 270:420-427
In the present manuscript an analytical methodology for the simultaneous determination of ten mycotoxins and six pesticides in rice was developed. This methodology comprises the application of the dilute and shoot protocol followed by quantification
Autor:
Elisangela Jaqueline Magalhães, Adelir Aparecida Saczk, Eugenia Azevedo Vargas, Daiane Cássia Pereira Abreu, Fabiano Aurélio da Silva Oliveira, Fernando D. Madureira, Lucas Pinto da Silva
Publikováno v:
Analytical and bioanalytical chemistry. 412(8)
This work proposes an extraction method based on the “dilute and shoot” approach and QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) for the simultaneous determination of 42 mycotoxins (34 quantified and 8 qualitatively studied) in dri
Autor:
Eliene Alves dos Santos, Caroline Brasil Melo Vieira, Ana Angélica Cangussu Bicalho, Eugenia Azevedo Vargas, Edna Dora Martins Newman Luz, Ana Paula Trovatti Uetanabaro, Mateus Batista Gomes, Idjane Santana de Oliveira, Polyane Novais Pires, Rachel Passos Rezende, Samuel de Carvalho Silva
Publikováno v:
Food additivescontaminants. Part A, Chemistry, analysis, control, exposurerisk assessment. 36(5)
In the present study, the occurrence of aflatoxins (AFs) and ochratoxin A (OTA) was evaluated in 123 samples of cocoa beans produced in five Brazilian states. The presence of these mycotoxins was determined by high-performance liquid chromatography w
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 66, Iss 2, Pp 471-480 (2014)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.66 n.2 2014
Arquivo brasileiro de medicina veterinária e zootecnia
Universidade Federal de Minas Gerais (UFMG)
instacron:UFMG
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Volume: 66, Issue: 2, Pages: 471-480, Published: APR 2014
Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.66 n.2 2014
Arquivo brasileiro de medicina veterinária e zootecnia
Universidade Federal de Minas Gerais (UFMG)
instacron:UFMG
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Volume: 66, Issue: 2, Pages: 471-480, Published: APR 2014
The aim of this study was to investigate the presence of arsenic, lead and cadmium residues in samples of liver, kidney and muscle of poultry and swine during the years from 2002 to 2008. A total of 1978 samples were analyzed: 1031 of poultry and 947