Gas chromatographic/mass spectrometric and microbiological analyses on irradiated chicken

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3 Citazioni (Scopus)

Abstract

Ionizing radiation is widely used as treatment technique for food preservation. It involves among others reduction of microbial contamination, disinfestations, sprout inhibition and extension of shelf life of food. However, the commercialization of irradiated food requires the availability of reliable methods to identify irradiated foodstuffs. In this paper, we present results on the application to irradiated chicken of this method, based on the detection, in muscle and skin samples, of the peaks of ions 98 Da and 112 Da, in a ratio approximately 4:1, typical of radiation induced 2-dodecylcyclobutanones (2-DCB). Aim of the work was also to study the time stability of the measured parameters in samples irradiated at 3 and 5 kGy, and to verify the efficacy of the treatment from a microbiological point of view. Our results show that, one month after irradiation at 3 kGy, the method is suitable using the skin but not the muscle, while the measured parameters are detectable in both samples irradiated at 5 kGy. The microbial population was substantially reduced even at 3 kGy. © 2007 Elsevier Ltd. All rights reserved.
Lingua originaleEnglish
pagine (da-a)1463-1465
Numero di pagine3
RivistaRadiation Physics and Chemistry
Volume76
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

  • Radiation

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