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2023 Vol.68, Issue 2 Preview Page

Original Research Article

Assessing Carotenoid Levels and Antioxidant Properties in Korean Sweet Corn Inbred Lines to Develop High-Quality Sweet Corn Varieties through Breeding

기능성 단옥수수 품종 육성을 위한 자식계통의 카로티노이드 함량 및 항산화 활성 평가

Jun Young Ha1
,
Seong-Hyu Shin2
,
Young Sam Go3
,
Hwan Hee Bae3*
,
Sang Gon Kim4*
하 준영1
,
신 성휴2
,
고 영삼3
,
배 환희3*
,
김 상곤4*
1Researcher, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16429, Korea
2Agriculture Senior Researcher, Management Innovation and Legal Affairs Division, Rural Development Administration, Jeonju 54875, Korea
3Agriculture Researcher, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16429, Korea
4Principle Researcher, AntiAging Research Group, Gyeongnam AntiAging Research Institute, Sancheong 52215, Korea
1농촌진흥청 국립식량과학원 중부작물부 연구원
2농촌진흥청 기획조정관실 혁신행정법무담당관실 농업연구관
3농촌진흥청 국립식량과학원 중부작물부 농업연구사
4경남항노화연구원 항노화연구실 실장
*Corresponding Author
1 June 2023. pp. 59-68
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Abstract

Sweet corn is widely consumed due to its high nutritional content and diverse phytochemical composition, including carotenoids and phenolic compounds, which have several benefits for human health. This study aims to identify breeding materials for developing high-functional sweet corn varieties by evaluating the phytochemical and antioxidant activities of 37 Korean sweet corn inbred lines. The results revealed genetic variation in various components, such as carotenoid content (range of 120.7~1239.3 mg 100 g-1), polyphenol content (490.5~740.6 mg gallic acid equivalent 100 g-1), and flavonoid content (7.3~68.6 mg catechin equivalent 100 g-1). In addition, the free radical scavenging capacity, measured using 1,1-diphenyl-2-picrylhydrazyl and 2,2ʹ-azinobis (3-ethylbenzothiazoline-6-sulfonic acid), also varied among the inbred lines. Therefore, in this study, we identified Korean sweet corn inbred lines with high phytochemical content and excellent antioxidant activity. The development of sweet corn varieties with improved functionality is expected to further expand the role of sweet corn as a source of antioxidants in the Korean diet.

Keywords
antioxidant activity
carotenoid
phenolic compound
sweet corn
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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 68
  • No :2
  • Pages :59-68
  • Received Date : 2023-03-29
  • Revised Date : 2023-04-24
  • Accepted Date : 2023-04-24
  • DOI :https://doi.org/10.7740/kjcs.2023.68.2.059
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