Study on rapid detection of irradiated rice based on RVA profile

Shufang MEI; Junjie FU; Xiyao ZHOU; Furong XU; Xiaojun ZHAO

doi:10.13538/j.1001-8042/nst.2013.04.005

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Study on rapid detection of irradiated rice based on RVA profile

NUCLEAR CHEMISTRY, RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE | Updated：2021-01-20

- Study on rapid detection of irradiated rice based on RVA profile
- Nuclear Science and Techniques Vol. 24, Issue 4, Article number: 040301(2013)
- Affiliations：
  
  1.Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310029, China
  2.Jinhua Polytechnic College, Jinhua 321017, China
- Author bio：
  
  Corresponding author. E-mail address: fujj@zju.edu.cn
- Funds：
- DOI：10.13538/j.1001-8042/nst.2013.04.005
  CLC：
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Shufang MEI, Junjie FU, Xiyao ZHOU, et al. Study on rapid detection of irradiated rice based on RVA profile. [J]. Nuclear Science and Techniques 24(4):040301(2013)
DOI：

Shufang MEI, Junjie FU, Xiyao ZHOU, et al. Study on rapid detection of irradiated rice based on RVA profile. [J]. Nuclear Science and Techniques 24(4):040301(2013) DOI： 10.13538/j.1001-8042/nst.2013.04.005.

摘要

Abstract

In order to confirm whether the rice sample was exposed to gamma radiation, the changes in starch pasting viscosity of rice irradiated by different absorbed doses with additive acid solution and distilled water were investigated. The peak viscosity of irradiated rice sample was significantly decreased with the increment of absorbed doses even for the samples stored over 360 days. Irradiation samples can be distinguished from non-irradiated samples by their RVA profile as in the acid solution (pH=2.5), the starch pasting viscosities of irradiated rice samples were apparently higher while the starch pasting viscosities of non-irradiated rice samples were lower than that in distilled water (pH=7.0). The irradiation absorbed dose can be estimated accurately by the regression equation constructed with peak viscosity and absorbed doses.

关键词

Keywords

RiceStarchIrradiationRVA profile

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Related Institution

The center of biotechnology of Wuxi and Zhejiang University

Zhejiang institute of Nuclear-Agricultural Sciences

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Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University

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