epr detection of foods preserved with ionizing radiation

被引:8
|
作者
Stachowicz, W [1 ]
Burlinska, G [1 ]
Michalik, J [1 ]
机构
[1] Inst Nucl Chem & Technol, PL-03195 Warsaw, Poland
来源
RADIATION PHYSICS AND CHEMISTRY | 1998年 / 52卷 / 1-6期
关键词
foods; preservation; irradiation; detection of; epr spectroscopy;
D O I
10.1016/S0969-806X(98)00066-8
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The applicability of the epr technique for the detection of dried vegetables, mushrooms, some spices, flavour additives and some condiments preserved with ionizing radiation is discussed. The epr signals recorded after exposure to gamma rays and to the beams of 10 MeV electrons from linac are stable, intense and specific enough as compared with those observed with nonirradiated samples and could be used for the detection of irradiation. However, stability of radiation induced epr signals produced in these foods depends on storage condition. No differences in shapes (spectral parameters) and intensities of the epr spectra recorded with samples exposed to the same doses of gamma rays ((60) Co) and 10 MeV electrons were observed.
引用
收藏
页码:157 / 160
页数:4
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