Effects of gamma-irradiation on the free radical and antioxidant contents in nine aromatic herbs and spices (Articolo in rivista)

Type
Label
  • Effects of gamma-irradiation on the free radical and antioxidant contents in nine aromatic herbs and spices (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Calucci L., Pinzino C., Zandomeneghi M., Capocchi A., Ghiringhelli S.V., Saviozzi F., Tozzi S., Galleschi L. (2003)
    Effects of gamma-irradiation on the free radical and antioxidant contents in nine aromatic herbs and spices
    in Journal of agricultural and food chemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Calucci L., Pinzino C., Zandomeneghi M., Capocchi A., Ghiringhelli S.V., Saviozzi F., Tozzi S., Galleschi L. (literal)
Pagina inizio
  • 927 (literal)
Pagina fine
  • 934 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 51 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Effects of gamma-irradiation on the free radical and antioxidant contents in nine aromatic herbs and spices (literal)
Abstract
  • Nine spice and aromatic herb samples (i.e., basil, bird pepper, black pepper, cinnamon, nutmeg, oregano, parsley, rosemary, and sage) were gamma-irradiated at a dose of 10 kGy according to commercial practices. The effects of the disinfection treatment on the content of organic radicals and some nutrients (namely, vitamin C and carotenoids) in the samples were investigated by chromatographic and spectroscopic techniques. Irradiation resulted in a general increase of quinone radical content in all of the investigated samples, as revealed by electron paramagnetic resonance spectroscopy. The fate of these radicals after storage for 3 months was also investigated. The cellulose radical was clearly observed in a few samples. Significant losses of total ascorbate were found for black pepper, cinnamon, nutmeg, oregano, and sage, whereas a significant decrease of carotenoids content was observed for cinnamon, oregano, parsley, rosemary, bird pepper, and sage. (literal)
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