ESR spectroscopy for detecting gamma-irradiated dried vegetables and estimating absorbed doses

Application of electron spin resonance (ESR) spectrometry in nutraceutical and food research

“…It was observed that the ESR signal in the alcohol-treated pulp samples was stable and correlated with irradiation intensity, indicating that ESR analysis of ethanol-treated pulp might identify irradiated fresh fruits and possibly estimate the irradiation dose [54]. ESR analysis might also be used for determination of c-irradiated vegetables [51,65,67]. In addition, ESR has been demonstrated for its potential application in identifying the irradiated spice samples [48,50,68,69].…”

“…ESR has been evaluated for potential in identifying irradiated fruits such as kiwi, papaya, tomato, grape, apple, cherry and other fruits [54,64], and vegetables such as dried onion, green onion, and ginger [65], chestnut [66], pepper [67], and dried cabbage, carrot, garlic, onion, and green onion [51]. In 1999, pulps of kiwi, papaya, and tomato fresh fruits with and without 80% ethanol extraction were evaluated for their ESR spectra and signal stability [54].…”

Absorbed‐dose estimation and quality attributes of gamma‐irradiated fresh shiitake mushrooms

“…For the practical applications of different regulations specifying the applied irradiation dose, the quantitative analysis (dose estimation) is also important . In this regard, ESR analysis has provided the most promising results for different food materials;, however, a limited number of studies using gas chromatography–mass spectroscopy (GC‐MS) and TL techniques are also available. ESR analysis is capable of identifying irradiated dried mushrooms,, but radiation‐induced signals were absent in the case of fresh mushrooms .…”

An investigation into gamma‐ray treatment of shellfish using electron paramagnetic resonance spectroscopy

“…With the recent acceptance of irradiated foods by more than 55 countries, reliable and rapid methods for the detection of irradiated foods should be available in order to clarify the irradiation treatment. Methods such as thermoluminescence and pulsed photostimulated luminescence are useful for the detection of fresh and dry food items that contain silicate minerals 2–12. Foods of plant or animal origin that are irradiated to low dose levels can be monitored using the DNA comet assay 13–20.…”