Development of Enzyme-Linked Immunosorbent Assay for Analysis of Total Aflatoxins Based on Monoclonal Antibody Reactive with Aflatoxins B1, B2, G1 and G2

A direct competitive enzyme-linked immunosorbent assay (dc-ELISA) was developed for the determination of total amount of aflatoxin B1, B2, G1 and G2 (AFB1, AFB2, AFG1 and AFG2), using a mouse monoclonal antibody that shows similar reactivity to each of these AFs. The working range of the developed d...

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Published inFood Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) Vol. 59; no. 5; pp. 200 - 205
Main Authors Hirakawa, Yuki, Iwasa, Seiji, Watanabe, Takaho, Sato, Natsuki, Narita, Hiroshi, Miyake, Shiro, Yamasaki, Tomomi
Format Journal Article
LanguageEnglish
Published Tokyo Japanese Society for Food Hygiene and Safety 25.10.2018
Japan Science and Technology Agency
Subjects
aflatoxin
Aflatoxins
ELISA
Food analysis
immunoassay
Monoclonal antibodies
monoclonal antibody
Peanuts
Performance assessment
total aflatoxin
Online AccessGet full text
ISSN0015-6426
1882-1006
DOI10.3358/shokueishi.59.200

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Abstract A direct competitive enzyme-linked immunosorbent assay (dc-ELISA) was developed for the determination of total amount of aflatoxin B1, B2, G1 and G2 (AFB1, AFB2, AFG1 and AFG2), using a mouse monoclonal antibody that shows similar reactivity to each of these AFs. The working range of the developed dc-ELISA was 50–230 pg/mL for AFB1, 50–270 pg/mL for AFB2, 60–390 pg/mL for AFG1 and 65–700 pg/mL for AFG2. The recovery of AFs from spiked roasted peanuts was 98％. Further, when 4 samples actually contaminated with AFB1, AFB2, AFG1 and AFG2 were examined, the results of dc-ELISA were highly correlated with the values assigned by the Food Analysis Performance Assessment Scheme. The developed dc-ELISA appears to be suitable for the determination of total AFs at concentrations around the maximum permitted level (10 μg/kg for all foods) in Japan.
AbstractList A direct competitive enzyme-linked immunosorbent assay (dc-ELISA) was developed for the determination of total amount of aflatoxin B1, B2, G1 and G2 (AFB1, AFB2, AFG1 and AFG2), using a mouse monoclonal antibody that shows similar reactivity to each of these AFs. The working range of the developed dc-ELISA was 50-230 pg/mL for AFB1, 50-270 pg/mL for AFB2, 60-390 pg/mL for AFG1 and 65-700 pg/mL for AFG2. The recovery of AFs from spiked roasted peanuts was 98％. Further, when 4 samples actually contaminated with AFB1, AFB2, AFG1 and AFG2 were examined, the results of dc-ELISA were highly correlated with the values assigned by the Food Analysis Performance Assessment Scheme. The developed dc-ELISA appears to be suitable for the determination of total AFs at concentrations around the maximum permitted level (10 μg/kg for all foods) in Japan.A direct competitive enzyme-linked immunosorbent assay (dc-ELISA) was developed for the determination of total amount of aflatoxin B1, B2, G1 and G2 (AFB1, AFB2, AFG1 and AFG2), using a mouse monoclonal antibody that shows similar reactivity to each of these AFs. The working range of the developed dc-ELISA was 50-230 pg/mL for AFB1, 50-270 pg/mL for AFB2, 60-390 pg/mL for AFG1 and 65-700 pg/mL for AFG2. The recovery of AFs from spiked roasted peanuts was 98％. Further, when 4 samples actually contaminated with AFB1, AFB2, AFG1 and AFG2 were examined, the results of dc-ELISA were highly correlated with the values assigned by the Food Analysis Performance Assessment Scheme. The developed dc-ELISA appears to be suitable for the determination of total AFs at concentrations around the maximum permitted level (10 μg/kg for all foods) in Japan.
A direct competitive enzyme-linked immunosorbent assay (dc-ELISA) was developed for the determination of total amount of aflatoxin B1, B2, G1 and G2 (AFB1, AFB2, AFG1 and AFG2), using a mouse monoclonal antibody that shows similar reactivity to each of these AFs. The working range of the developed dc-ELISA was 50–230 pg/mL for AFB1, 50–270 pg/mL for AFB2, 60–390 pg/mL for AFG1 and 65–700 pg/mL for AFG2. The recovery of AFs from spiked roasted peanuts was 98％. Further, when 4 samples actually contaminated with AFB1, AFB2, AFG1 and AFG2 were examined, the results of dc-ELISA were highly correlated with the values assigned by the Food Analysis Performance Assessment Scheme. The developed dc-ELISA appears to be suitable for the determination of total AFs at concentrations around the maximum permitted level (10 μg/kg for all foods) in Japan.
Author Hirakawa, Yuki
Narita, Hiroshi
Watanabe, Takaho
Sato, Natsuki
Iwasa, Seiji
Yamasaki, Tomomi
Miyake, Shiro
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  organization: Advanced Science, Technology & Management Research Institute of Kyoto
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SubjectTerms aflatoxin
Aflatoxins
ELISA
Food analysis
immunoassay
Monoclonal antibodies
monoclonal antibody
Peanuts
Performance assessment
total aflatoxin
Title Development of Enzyme-Linked Immunosorbent Assay for Analysis of Total Aflatoxins Based on Monoclonal Antibody Reactive with Aflatoxins B1, B2, G1 and G2
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