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<p>This study optimizes grain size, irradiation conditions, and environmental factors for accurate diffuse reflectance spectrometry (DRS) dosimetry in fructose, glucose, and sucrose. A grain size of 250–500&#xa0;µm showed minimal reflectance variation. Reflectance spectra confirmed stable dose–response relationships, with unirradiated sugars remaining stable for 350&#xa0;days. Post-irradiation reflectance decreased by 15% within 65&#xa0;h but remained consistent afterward. Temperature variations (− 5 to 60&#xa0;°C) had no significant impact. Dose fractionation and rate changes did not alter responses, confirming DRS reliability. This study supports DRS as a precise dosimetry tool with applications in food safety and radiation processing.</p>

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Comparative study on sugars for high-dose measurements using diffuse reflectance spectrometry

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月15日

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  • S. H. Shinde,
  • Sandip Mondal,
  • Sneha Chandrasekhar,
  • Probal Chaudhury

摘要

This study optimizes grain size, irradiation conditions, and environmental factors for accurate diffuse reflectance spectrometry (DRS) dosimetry in fructose, glucose, and sucrose. A grain size of 250–500 µm showed minimal reflectance variation. Reflectance spectra confirmed stable dose–response relationships, with unirradiated sugars remaining stable for 350 days. Post-irradiation reflectance decreased by 15% within 65 h but remained consistent afterward. Temperature variations (− 5 to 60 °C) had no significant impact. Dose fractionation and rate changes did not alter responses, confirming DRS reliability. This study supports DRS as a precise dosimetry tool with applications in food safety and radiation processing.