Study on identification of irradiated food containing cellulose by ESR

WAN Xiaojuan1 WANG Jia2 ZHENG Jianfei2 DOU Daying1 XU Gang1 JIAO Zheng1 WU Minghong2 DING Guoji2 1

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Study on identification of irradiated food containing cellulose by ESR

更新时间：2021-03-12

- Study on identification of irradiated food containing cellulose by ESR
- NUCLEAR TECHNIQUES Vol. 31, Issue 8, (2008)
- 作者机构：
  
  1. 上海大学射线应用研究所
  2. 上海大学环境与化学工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金(50578090)资助
- DOI：
  CLC： TS201
- Published：01 August 2008
- 稿件说明：
移动端阅览
[1]万小娟,王佳,郑建飞,窦大营,徐刚,焦正,吴明红,丁国际.含纤维素辐照食品的ESR法研究[J].核技术,2008,31(08):629-632.

WAN Xiaojuan1 WANG Jia2 ZHENG Jianfei2 DOU Daying1 XU Gang1 JIAO Zheng1 WU Minghong2 DING Guoji2 1. Study on identification of irradiated food containing cellulose by ESR[J]. Nuclear techniques, 2008, 31(8): 629-632.
[1]万小娟,王佳,郑建飞,窦大营,徐刚,焦正,吴明红,丁国际.含纤维素辐照食品的ESR法研究[J].核技术,2008,31(08):629-632. DOI：

WAN Xiaojuan1 WANG Jia2 ZHENG Jianfei2 DOU Daying1 XU Gang1 JIAO Zheng1 WU Minghong2 DING Guoji2 1. Study on identification of irradiated food containing cellulose by ESR[J]. Nuclear techniques, 2008, 31(8): 629-632. DOI：

摘要

60Co发出的γ射线于0

0.5

1.0

3.0

5.0

10.0kGy剂量范围对干燥的红辣椒粉、花生和提取出的草莓籽进行了辐照处理

用电子自旋共振（Electron spin resonance

ESR）来分析研究信号强度与辐照剂量的关系以及相关性R2。结果表明

三种样品的ESR信号与剂量正相关

其中草莓的ESR信号随剂量增长最慢

红辣椒粉的计算最为精确

花生的次之。含纤维素辐照食品的剂量与ESR信号关系清晰

可作为建立ESR方法检测辐照食品的方法。

Abstract

The fast development and application of food irradiation technology signify the necessity and urgency to research on effective detection method for irradiated food. In this paper

we report a preliminary study in this area with dried chili powder

peanuts and strawberry seeds. The food samples were irradiated to 0.5

1.0

3.0

5.0 and 10.0 kGy by 60Co gamma rays. The relation between ESR intensity and irradiation dose

and correlation R2

were studied. The results showed that the ESR signal intensity is positively related with the dose. ESR intensity of the strawberry increased the slowest with the dose

and the chili powder had the most accurate calculation. Accurate dose-effect curves

however

require repeating tests and further studies are needed to verify the ESR results.

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Related Institution

Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics

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中国科学院上海应用物理研究所上海201800中国科学院研究生院北京

Shanghai Institute of Nuclear Research, the Chinese Academy of Sciences

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