Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds

Enzyme-coupled immunosorbent assays (ELISA) methods are usually validated only for homogenous matrixes like corn and wheat. More complex materials like fermented forages and mixed feed are not targeted for mycotoxin measurement. The low number of ELISA methods found in the literature neither contain...

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Main Authors: Enikő Horváth, Tünde Pusztahelyi, Cintia Adácsi, Ervin Tanyi, István Pócsi
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Scientifica
Online Access:http://dx.doi.org/10.1155/2022/6059880
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author Enikő Horváth
Tünde Pusztahelyi
Cintia Adácsi
Ervin Tanyi
István Pócsi
author_facet Enikő Horváth
Tünde Pusztahelyi
Cintia Adácsi
Ervin Tanyi
István Pócsi
author_sort Enikő Horváth
collection DOAJ
description Enzyme-coupled immunosorbent assays (ELISA) methods are usually validated only for homogenous matrixes like corn and wheat. More complex materials like fermented forages and mixed feed are not targeted for mycotoxin measurement. The low number of ELISA methods found in the literature neither contained the pH set for fermented forages nor dealt with the setting of the matrix:solvent ratio. The sample preparation of these matrixes needs to be optimized and validated for aflatoxin B1 analysis from fermented forages (corn silage and rye haylage) and mixed feed for Romer AgraQuant® Aflatoxin B1 ELISA (Romer Labs, Austria). Drying and pH adjustment of fermented forages had high importance before mycotoxin extraction. Because of the matrix swelling, the 1 : 5 ratio of the sample/extraction solute should have been increased to 1 : 8 to gain the highest aflatoxin B1 recovery. The accuracy and repeatability of the analysis were tested and found to be suitable for further application.
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spelling doaj-art-02acbc2a363e426884308d8e38e9b70d2025-02-03T06:12:26ZengWileyScientifica2090-908X2022-01-01202210.1155/2022/6059880Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and FeedsEnikő Horváth0Tünde Pusztahelyi1Cintia Adácsi2Ervin Tanyi3István Pócsi4Department of Molecular Biotechnology and MicrobiologyCentral Laboratory of Agricultural and Food ProductsDoctoral School of Nutrition and Food SciencesRomer Labs Diagnostic LtdDepartment of Molecular Biotechnology and MicrobiologyEnzyme-coupled immunosorbent assays (ELISA) methods are usually validated only for homogenous matrixes like corn and wheat. More complex materials like fermented forages and mixed feed are not targeted for mycotoxin measurement. The low number of ELISA methods found in the literature neither contained the pH set for fermented forages nor dealt with the setting of the matrix:solvent ratio. The sample preparation of these matrixes needs to be optimized and validated for aflatoxin B1 analysis from fermented forages (corn silage and rye haylage) and mixed feed for Romer AgraQuant® Aflatoxin B1 ELISA (Romer Labs, Austria). Drying and pH adjustment of fermented forages had high importance before mycotoxin extraction. Because of the matrix swelling, the 1 : 5 ratio of the sample/extraction solute should have been increased to 1 : 8 to gain the highest aflatoxin B1 recovery. The accuracy and repeatability of the analysis were tested and found to be suitable for further application.http://dx.doi.org/10.1155/2022/6059880
spellingShingle Enikő Horváth
Tünde Pusztahelyi
Cintia Adácsi
Ervin Tanyi
István Pócsi
Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds
Scientifica
title Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds
title_full Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds
title_fullStr Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds
title_full_unstemmed Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds
title_short Optimization and Validation of ELISA for Aflatoxin B1 Detection in Fermented Forages and Feeds
title_sort optimization and validation of elisa for aflatoxin b1 detection in fermented forages and feeds
url http://dx.doi.org/10.1155/2022/6059880
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