Electron spin resonance investigations of gamma-irradiated shrimp shell

Gamma-irradiation of shrimp shell induces the formation of stable free radicals, which can be monitored by electron spin resonance (ESR) spectroscopy. The ESR spectrum of the free radicals is more complex than was originally reported, and was found to be species-dependent. The results presented incl...

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Bibliographic Details
Published inApplied radiation and isotopes Vol. 44; no. 1; pp. 429 - 432
Main Authors Morehouse, K.M., Desrosiers, M.F.
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 1993
Subjects
Animals
Decapoda (Crustacea) - radiation effects
Electron spin resonance
Electron Spin Resonance Spectroscopy
ESR
Food Irradiation
Free Radicals
Gamma Rays
gamma-irradiation
shrimp
shrimp shell
Spectrum Analysis
shrimp shell
free radicals
shrimp
gamma-irradiation
Electron spin resonance
ESR
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Summary:Gamma-irradiation of shrimp shell induces the formation of stable free radicals, which can be monitored by electron spin resonance (ESR) spectroscopy. The ESR spectrum of the free radicals is more complex than was originally reported, and was found to be species-dependent. The results presented include the effects of the following parameters on the ESR spectrum: different types of pre- and post-irradiation processing, absorbed dose, storage time, and species variations. The effects of these parameters on the ESR spectra are used to explain discrepancies between previously reported spectra for irradiated shrimp shell. Finally, the possible application of ESR spectroscopy as a tool for post-irradiation monitoring of shrimp is assessed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0969-8043
1872-9800
DOI:10.1016/0969-8043(93)90261-8