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Development of ic-Elisa for the screening of aflatoxin contamination in the peanut production chain PAB
Silva,André Ribeiro da; Zanin,Lívia Montanheiro Médici; Ishikawa,Angélica Tieme; Yamashita,Cassia Reika Takabayashi; Fracalossi,Felipe Pedote; Amorim,Thaís Marques; Itano,Eiko Nakagawa; Kawamaura,Osamu; Hirooka,Elisa Yoko.
Abstract: The objective of this work was to standardize and validate an indirect competitive enzyme-linked immunosorbent assay (ic-Elisa), as a low-cost tool, to monitor the presence of aflatoxin in common and blanched peanuts (Arachis hypogaea) in the production chain. The presence of aflatoxin B1, moisture content, and water activity were analyzed in 60 samples of the peanut cultivar Runner IAC 886, from the 2014/2015 and 2015/2016 harvests of the region of Alta Paulista, in the state of São Paulo, Brazil. The validation showed an adequate linearity (R2 = 0.999), and limits of detection and quantification of 1.13 and 3.59 μg kg-1, respectively. Recovery rates of 104, 102, and 107% at the concentrations of 4, 10, and 20 μg kg-1 aflatoxin B1, respectively,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aspergillus; Aflatoxin B1; Blanched peanuts; Contamination; Mycotoxin.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000300361
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