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Proceedings Paper

Eat-by-light: fiber-optic and micro-optic devices for food safety and quality assessment
Author(s): A. G. Mignani; L. Ciaccheri; C. Cucci; A. A. Mencaglia; A. Cimato; C. Attilio; H. Thienpont; H. Ottevaere; R. Paolesse; M. Mastroianni; D. Monti; G. Buonocore; A. Del Nobile; A. Mentana; C. Dall'Asta; A. Faccini; G. Galaverna; A. Dossena
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Paper Abstract

A selection of fiber-optic and micro-optic devices is presented designed and tested for monitoring the quality and safety of typical foods, namely the extra virgin olive oil, the beer, and the milk. Scattered colorimetry is used for the authentication of various types of extra virgin olive oil and beer, while a fiber-optic-based device for UV-VIS-NIR absorption spectroscopy is exploited in order to obtain the hyperspectral optical signature of olive oil. This is done not only for authentication purposes, but also so as to correlate the spectral data with the content of fatty acids that are important nutritional factors. A micro-optic sensor for the detection of olive oil aroma is presented. It is capable of distinguishing different ageing levels of extra virgin olive oil. It shows effective potential for acting as a smart cap of bottled olive oil in order to achieve a non-destructive olfactory perception of oil ageing. Lastly, a compact portable fluorometer is experimented for the rapid monitoring of the carcinogenic M1 aflatoxin in milk.

Paper Details

Date Published: 2 July 2007
PDF: 6 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190H (2 July 2007); doi: 10.1117/12.738361
Show Author Affiliations
A. G. Mignani, CNR-IFAC (Italy)
L. Ciaccheri, CNR-IFAC (Italy)
C. Cucci, CNR-IFAC (Italy)
A. A. Mencaglia, CNR-IFAC (Italy)
A. Cimato, CNR-IVALSA (Italy)
C. Attilio, CNR-IVALSA (Italy)
H. Thienpont, Vrije Univ. Brussel (Belgium)
H. Ottevaere, Vrije Univ. Brussel (Belgium)
R. Paolesse, Univ. di Roma Tor Vergata (Italy)
M. Mastroianni, Univ. di Roma Tor Vergata (Italy)
D. Monti, Univ. di Roma Tor Vergata (Italy)
G. Buonocore, CNR-IMCB (Italy)
A. Del Nobile, Univ. di Foggia (Italy)
A. Mentana, Univ. di Foggia (Italy)
C. Dall'Asta, Univ. di Parma (Italy)
A. Faccini, Univ. di Parma (Italy)
G. Galaverna, Univ. di Parma (Italy)
A. Dossena, Univ. di Parma (Italy)


Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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