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Discrimination analysis of new rice, stale rice, and their mixture using an electronic eye

전자눈을 이용한 햅쌀, 묵은쌀 및 이의 혼합쌀 판별 분석

  • Hong, Jee-Hwa (Experiment Research Institute, National Agricultural Products Quality Management Service) ;
  • Lee, Jae-Hwon (Experiment Research Institute, National Agricultural Products Quality Management Service) ;
  • Cho, Young-Ho (Centum-Tech) ;
  • Choi, Kyung-Hu (Experiment Research Institute, National Agricultural Products Quality Management Service) ;
  • Lee, Min-Hui (Experiment Research Institute, National Agricultural Products Quality Management Service) ;
  • Park, Young-Jun (Experiment Research Institute, National Agricultural Products Quality Management Service) ;
  • Kim, Hyun-Tae (Experiment Research Institute, National Agricultural Products Quality Management Service)
  • 홍지화 (국립농산물품질관리원 시험연구소) ;
  • 이재훤 (국립농산물품질관리원 시험연구소) ;
  • 조영호 (센텀테크) ;
  • 최경후 (국립농산물품질관리원 시험연구소) ;
  • 이민휘 (국립농산물품질관리원 시험연구소) ;
  • 박영준 (국립농산물품질관리원 시험연구소) ;
  • 김현태 (국립농산물품질관리원 시험연구소)
  • Received : 2017.05.02
  • Accepted : 2017.08.14
  • Published : 2017.10.31

Abstract

The objective of this study was to develop methods for the discrimination of new and stale rice by using an electronic eye. To develop the discriminant, 107 rice samples produced in the years 2015 and 2016 were investigated. After the rice was treated with guaiacol, oxydol, and p-phenylenediamine reagents, an electronic eye was applied to discriminate between newly harvested rice and rice stored for 1 year. Out of the 4,096 color codes of the electronic eye, 31 color codes were identified for the discrimination of newly harvested rice and rice stored for 1 year. The classification ratio of newly harvested rice and rice stored for 1 year was 100% and the discrimination accuracy for unknown samples was 100%. In a total of 150 mixtures of new rice and stale rice, the discrimination accuracy was between 16.7 and 95.6%, depending on the mixing ratio. This capability of the electronic eye will be useful as a tool for discriminating the production year of rice.

Keywords

electronic eye;discrimination;newly harvested rice;rice stored for one year;color codes

Acknowledgement

Supported by : 국립농산물품질관리원

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