Milk Traces Detection in Cookies and Extruded Products Analyzed with Elisa Kits
Journal of Food and Nutrition Sciences
Volume 4, Issue 6, November 2016, Pages: 175-179
Received: Sep. 23, 2016;
Accepted: Oct. 7, 2016;
Published: Jan. 4, 2017
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Binaghi Maria Julieta, Faculty of Pharmacy and Biochemistry, Universidad de Buenos Aires – University of Buenos Aires, Buenos Aires, Argentina
Greco Carola Beatriz, Faculty of Pharmacy and Biochemistry, Universidad de Buenos Aires – University of Buenos Aires, Buenos Aires, Argentina
Martín Maria Eugenia, Faculty of Pharmacy and Biochemistry, Universidad de Buenos Aires – University of Buenos Aires, Buenos Aires, Argentina
Drago Silvina Rosa, Food Technology Institute, University Nacional of Litoral, Santa Fe, Argentina
Ronayne de Ferrer Patricia Ana, Faculty of Pharmacy and Biochemistry, Universidad de Buenos Aires – University of Buenos Aires, Buenos Aires, Argentina
López Laura Beatriz, Faculty of Pharmacy and Biochemistry, Universidad de Buenos Aires – University of Buenos Aires, Buenos Aires, Argentina
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Detection of milk traces was evaluated in cookies and extruded products model systems (MS) and in commercial products declaring milk presence through either the statement: “Contains…” or precautionary phrases. The aim of the study was to evaluate the performance of two different commercial ELISA kits for this purpose. Six cookies and extruded products model systems and two different batches of eight different types of commercial cookies and two types of extruded products were analyzed. The two different commercial ELISA kits used were R-Biopharm and Veratox-Neogen. In the cookies MS both kits had the same sensitivity while in the extruded products MS, the R- Biopharm kit had higher sensitivity than the Veratox-Neogen one. In the commercial samples only the snack declaring “Contains milk derivatives” showed detectable values of milk proteins. Even though all the remaining products included precautionary phrases on the label, none of them exceeded the quantification limit. The detection and quantification of the allergen will depend on the utilized kit and the treatment to which the ingredients have been submitted. Therefore, the performance of every kit should be studied for every allergen and every particular food matrix. Regarding commercial products, the analysis of more samples coming from different batches would be necessary in order to corroborate these results and verify the correct use of precautionary phrases.
Allergens, Milk, Cookies, Extruded Products, ELISA
To cite this article
Binaghi Maria Julieta,
Greco Carola Beatriz,
Martín Maria Eugenia,
Drago Silvina Rosa,
Ronayne de Ferrer Patricia Ana,
López Laura Beatriz,
Milk Traces Detection in Cookies and Extruded Products Analyzed with Elisa Kits, Journal of Food and Nutrition Sciences.
Vol. 4, No. 6,
2016, pp. 175-179.
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/
) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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