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Study on irradiated D-mannose isolated from cranberry

Grzegorz P. Guzik

Grzegorz P. Guzik

Institute of Nuclear Chemistry and TechnologyWarsaw, Poland
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Guzik, Grzegorz P.
, 
Wacław Stachowicz

Wacław Stachowicz

Warsaw, Poland
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Stachowicz, Wacław
 and 
Jacek Michalik

Jacek Michalik

Institute of Nuclear Chemistry and TechnologyWarsaw, Poland
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Michalik, Jacek
  
Dec 11, 2019
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Published Online: Dec 11, 2019
Page range: 139 - 143
Received: Nov 16, 2018
Accepted: Sep 16, 2019
DOI: https://doi.org/10.2478/nuka-2019-0018
Keywords
© 2019 Grzegorz P. Guzik et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The stable EPR signal produced by ionizing radiation in crystalline D-mannose (C6H12O6) and separated from cranberries (Vaccinium oxycoccus) was studied. The isothermal heating of irradiated sample at 95°C for 10 minutes (melting point of D-mannose is 132°C) resulted in the modification and simplification of the EPR signal involved. The isotropic quartet has been recognized in the EPR signal of heat-treated sample. Molecular structure of the isotropic quartet identified in the complex EPR signal of D-mannose crystallite is proposed.

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English
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Journal Subjects:
Chemistry, Nuclear Chemistry, Physics, Astronomy and Astrophysics, Physics, other
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