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Proceedings Paper

Fluorescence diagnostics for foods subjected to gamma irradiation
Author(s): Digala M. Kulawansa; E. Roland Menzel; H. M. Banford
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Paper Abstract

We have examined the inherent fluorescence of pepper and cinnamon samples exposed to radiation from a 60Co gamma source. We find that in the pepper the fluorescence intensity increases with radiation dose and the ratio of fluorescence intensity at two specific wavelengths, 566 and 674 nm, increases with radiation dose. In contrast, in the cinnamon the distinction between unirradiated and irradiated is not clear. Our preliminary work on gamma ray irradiated pepper indicates that laser-induced fluorescence may be utilized to detect the absorbed dose of irradiation of food samples.

Paper Details

Date Published: 25 March 1996
PDF: 6 pages
Proc. SPIE 2705, Fluorescence Detection IV, (25 March 1996); doi: 10.1117/12.236196
Show Author Affiliations
Digala M. Kulawansa, Texas Tech Univ. (United States)
E. Roland Menzel, Texas Tech Univ. (United States)
H. M. Banford, Scottish Univs. Research and Reactor Ctr. (United Kingdom)


Published in SPIE Proceedings Vol. 2705:
Fluorescence Detection IV
E. Roland Menzel; Abraham Katzir, Editor(s)

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