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조회 218  인쇄하기 주소복사 트위터 공유 페이스북 공유 
Regional discrimination of Agaricus bisporus mushroom using the natural stable isotope ratios
Ill-Min Chunga, Jae-Gu Hanb, Won-Sik Kongb, Jae-Kwang Kimc, Min-Jeong Ana, Ji-Hee Leea,Yeon-Ju Ana, Mun Yhung Jungd, Seung-Hyun Kima,*

a
Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul 05029, Republic of Korea
bNational Institute of Horticultural and Herbal Science, Rural Development Administration, 27709 Eumseong, Republic of Korea
cDivision of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon 22012, Republic of Korea
dDepartment of Food Science and Biotechnology, Graduate School, Woosuk University, Wanju-gun 55338, Republic of Korea

*Corresponding author : Seung-Hyun Kim

Abstract
This study was aimed to verify the regional traceability of Agaricus bisporus mushroom using unique δ13C, δ15N, δ18O, and δ34S features combined with chemometric approaches. Ten cultivars from 15 mushroom farms in six regions of Korea were measured their isotopic signatures by stable isotope ratio mass spectrometer. The δ13C, δ15N, δ18O, and δ34S values were significantly different among mushrooms collected from six cultivation regions (P<0.05). Multi-dimensional plots including the δ15N and δ34S values demonstrated clear regional discrimination of the Saedo and Saehan cultivars produced from Buyeo, Nonsan, Eumseong, Boryeong, or Gyeongju. Partial least-squares discriminate analysis models showed good discrimination for Saedo (Rx2=0.798 and Q2=0.563) and Saehan (Rx2=0.819 and Q2=0.894). These preliminary results can extend knowledge of regional isotope signatures in A. bisporus mushroom produced in Korea, contributing to accurate geographical authenticity with potential broader applications for the international mushroom market.

Keywords : Agaricus bisporus, Cultivation region, Stable isotope ratio, PCA, PLS-DA
논문정보
- 형식: Research article
- 게재일: 2018년 10월 (BRIC 등록일 2018-08-08)
- 연구진: 국내연구진 태극기
- 분야: Food_Technology
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사전접수: ~2018.11.21
날짜: 2018.11.23
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