The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Quality Characteristics of Cold-pressed Rapeseed Oils according to Different Varieties in Republic of Korea

국내 유채 품종별 저온압착유의 품질특성 비교

  • Da-Hee An (National Institute of Crop Science, Rural Development Administration) ;
  • Gyeong-Dan Yu (National Institute of Crop Science, Rural Development Administration) ;
  • Jae-Hee Jeong (National Institute of Crop Science, Rural Development Administration) ;
  • Ji-Bong Choi (National Institute of Crop Science, Rural Development Administration) ;
  • Hyun-Min Cho (National Institute of Crop Science, Rural Development Administration) ;
  • Dong-Sung Kim (National Institute of Crop Science, Rural Development Administration) ;
  • Young-Lok Cha (National Institute of Crop Science, Rural Development Administration)
  • 안다희 (농촌진흥청 국립식량과학원 바이오에너지작물연구소) ;
  • 유경단 (농촌진흥청 국립식량과학원 바이오에너지작물연구소) ;
  • 정재희 (농촌진흥청 국립식량과학원 바이오에너지작물연구소) ;
  • 최지봉 (농촌진흥청 국립식량과학원 바이오에너지작물연구소) ;
  • 조현민 (농촌진흥청 국립식량과학원 바이오에너지작물연구소) ;
  • 김동성 (농촌진흥청 국립식량과학원 바이오에너지작물연구소) ;
  • 차영록 (농촌진흥청 국립식량과학원 바이오에너지작물연구소)
  • Received : 2024.06.24
  • Accepted : 2024.08.08
  • Published : 2024.08.31
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Abstract

Rapeseed (Brassica napus L.) oil is mostly refined oil (RO). However, with increasing interest in health, the consumption of cold-pressed oil (CPO) without chemical refining is increasing in Korea. In this study, quality characteristics of CPO from rapeseed varieties 'Jungmo7001', 'Jungmo7002', 'Jungmo7003', and 'Yuryeo' were evaluated and compared with RO, a commercial product. L-value and a-value were lower while b-value was significantly higher for CPO than those for RO. Analysis of fatty acid compositions of each oil revealed that CPO from 'Yuryeo' contained the highest oleic acid at 74%. Analyses of contents of bioactive compounds in CPOs and RO revealed that contents of tocopherol, 𝛽-carotene, and canolol were the highest in CPOs from 'Jungmo7003', 'Jungmo7002', and 'Jungmo7001' at 55.5, 0.3, and 0.2 mg/100 g, respectively. In addition, CPOs contained higher contents of bioactive compounds than RO, suggesting that CPO could provide health benefits. The induction period of CPOs measured using Rancimat were 9~52% longer than that for RO, indicating that CPOs had a higher oxidative stability under given conditions. These results could be used to obtain basic data on quality of domestic rapeseed varieties.

Keywords

Acknowledgement

본 연구는 농촌진흥청 작물시험연구사업(과제번호: PJ016815012024)의 지원에 의해 수행되었다.

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