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Effect of dose rate and length of storage on the ESR signal strength in irradiated chicken bone.

Author(s) : GRAY R., STEVENSON M. H.

Type of article: Article

Summary

One hundred and twenty-five pairs of chicken drumsticks were randomly allocated to one of five dose rates: 5, 10, 15, 20 or 600 kilograys/h. The highest dose rate was obtained using a linear accelerator whilst the remaining dose rates were provided using a Cobalt 60 gamma source. Each batch of 25 pairs was further divided into groups five of which were stored at 4 deg C for 0, 7, 14, 21 or 28 days. Electron spin resonance (ESR) spectroscopy was used to measure the intensity of the radiation-induced signal. There was a quadratic relationship between ESR signal strength and dose rate, which although statistically significant is unlikely to be of practical importance. The magnitude of the ESR signal declined by about 20% over the first 14 days of storage at 4 deg C and thereafter the decrease was minimal.

Details

  • Original title: Effect of dose rate and length of storage on the ESR signal strength in irradiated chicken bone.
  • Record ID : 1993-0316
  • Languages: English
  • Source: Int. J. Food Sci. Technol. - vol. 26 - n. 6
  • Publication date: 1991/12
  • Document available for consultation in the library of the IIR headquarters only.

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