Rapid screening of wheat bran contaminated by deoxynivalenol mycotoxin using Raman spectroscopy: a preliminary experiment

A. G. Mignani; L. Ciaccheri; A. A. Mencaglia; A. De Girolamo; V. Lippolis; M. Pascale

doi:10.1117/12.2235910

30 May 2016 Rapid screening of wheat bran contaminated by deoxynivalenol mycotoxin using Raman spectroscopy: a preliminary experiment

A. G. Mignani, L. Ciaccheri, A. A. Mencaglia, A. De Girolamo, V. Lippolis, M. Pascale

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Proceedings Volume 9916, Sixth European Workshop on Optical Fibre Sensors; 99160W (2016) https://doi.org/10.1117/12.2235910
Event: Sixth European Workshop on Optical Fibre Sensors (EWOFS'2016), 2016, Limerick, Ireland

Abstract

Deoxynivalenol (DON) is a mycotoxin frequently occurring in cereals and derived products, and regulated in many countries. Raman spectroscopy performed using optical fibers, with excitation at 1064 nm and a dispersive detection scheme, was utilized to analyze wheat bran samples naturally contaminated with DON. A multivariate processing of the spectroscopic data allowed to distinguish two classes of contamination, with DON below and above 400 μg/kg, respectively. Only one highly contaminated sample was misclassified. This preliminary result demonstrates the potential of Raman spectroscopy as a useful analytical tool for the non-destructive and rapid analysis of mycotoxins in food.

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A. G. Mignani, L. Ciaccheri, A. A. Mencaglia, A. De Girolamo, V. Lippolis, and M. Pascale "Rapid screening of wheat bran contaminated by deoxynivalenol mycotoxin using Raman spectroscopy: a preliminary experiment", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99160W (30 May 2016); https://doi.org/10.1117/12.2235910

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