Navegação Periódicos por autor "Bandeira, Raquel Duarte da Costa Cunha"

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Comparison of high performance liquid chromatography with fluorescence detector and with tandem mass spectrometry methods for detection and quantification of ochratoxin a in green and roasted coffee beans

Bandeira, Raquel Duarte da Costa Cunha; Uekane, Thais Matsue; Cunha, Carolina Passos da; Rodrigues, Janaina Marques; Cruz, Marcus Henrique Campino de la; Godoy, Ronoel Luiz de Oliveira; Fioravante, Andreia de Lima (Instituto de Tecnologia do Paraná - Tecpar, 2013-11)

Two analytical methods for the determination and confirmation of ochratoxin A (OTA) in green and roasted coffee samples were compared. Sample extraction and clean-up were based on liquid–liquid phase extraction and ...
Development and validation of a method for detection and quantification of ochratoxin A in green coffee using liquid chromatography coupled to mass spectrometry

Bandeira, Raquel Duarte da Costa Cunha; Uekane, Thaís Matsue; Cunha, Carolina Passos da; Cunha, Valnei Smarçaro da; Rodrigues, Janaína Marques; Godoy, Ronoel Luiz de Oliveira; Cruz, Marcus Henrique Campino de la (Sociedade Brasileira de Ciência e Tecnologia de Alimentos, 2012-10)

A method using Liquid Chromatography Tanden Mass Spectrometry (LC-MS/MS) with matrix-matched calibration curve was developed and validated for determining ochratoxin A (OTA) in green coffee. Linearity was found between 3.0 ...

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