Detection of gamma-irradiated peanuts by ESR spectroscopy and GC analysis of hydrocarbons

文献类型: 外文期刊

第一作者: Li, Wei Ming

作者: Li, Wei Ming;Li, An;Ha, Yi Ming;Wang, Feng;Zhang, Yan Li

作者机构:

关键词: ESR;GC;Peanut;Gamma irradiation;Identification;Hydrocarbons

期刊名称:RADIATION PHYSICS AND CHEMISTRY ( 影响因子:2.858; 五年影响因子:2.411 )

ISSN: 0969-806X

年卷期: 2011 年 80 卷 3 期

页码:

收录情况: SCI

摘要: Peanuts were analyzed by electron spin resonance (ESR) spectroscopy and gas chromatography (GC) before and after gamma irradiation. Using European protocols, the validity and effectiveness of these two techniques were compared with regard to sample preparation, sample and solvent consumption and dose-response curves after irradiation. The results showed the possibility of using ESR and GC for distinguishing between irradiated and unirradiated peanuts. A radiation dose of 0.1 kGy could be detected by ESR but not by GC. The results also indicated that GC is an effective method for qualitative analysis of irradiated peanut, while ESR is suitable for the rapid detection of irradiated peanuts. (C) 2010 Elsevier Ltd. All rights reserved.

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