Journal of Crop Science and Biotechnology

, Volume 20, Issue 3, pp 205–212 | Cite as

Phytochemical distribution and antioxidant activities of Korean adzuki bean (Vigna angularis) landraces

  • Kyung Jun Lee
  • Kyung-Ho Ma
  • Yang-Hee Cho
  • Jung-Ro Lee
  • Jong-Wook ChungEmail author
  • Gi-An LeeEmail author
Research Article


Total polyphenol content (TPC), total phenolic acid content (TPA), and total flavonoid content (TFC) in 209 Korean adzuki bean landraces were determined by colorimetric methods. Antioxidant effects were evaluated with the DPPH, ABTS, ferric reducing antioxidant power (FRAP), reducing power (RP), and SOD assays. TPC, TPA, and TFC in the 209 Korean adzuki bean landraces ranged from 1.1 to 11.7 mg gallic acid equivalents/g, 0.37 to 5.03 mg caffeic acid equivalents/g, and 0.17 to 0.91 mg quercetin equivalents/g, respectively. Antioxidant activities as assessed by the DPPH, ABTS, FRAP, PR, and SOD assays showed wide variation, ranging from 12.2 to 86.3 (IC50), 0.85 to 5.25 mg ascorbic acid equivalents (ASC)/g, 0.41 to 5.44 mg ASC/g, 0.54 to 1.83 mg ASC/g, and 60.4 to 142.8 (IC50), respectively. Using the relative antioxidant capacity index (RACI), we found that the IT189394 had the highest antioxidant activity. In clustering analysis, 209 Korean adzuki bean landraces were classified into three clusters. Among them, cluster I contained 22 landraces with higher antioxidant activities, TPC, TFC, and TPA and smaller seed sizes than the other clusters. We anticipate that these results will provide useful information for the development of adzuki bean-based functional foods.


Adzuki beans antioxidant activity Korean landraces phytochemicals 


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Copyright information

© Korean Society of Crop Science and Springer Science+Business Media B.V. 2017

Authors and Affiliations

  1. 1.National Agrobiodiversity CenterNational Institute of Agricultural Sciences (NAS), RDAWansan-Gu, Jeonju-Si, Jeollabuk-DoRepublic of Korea
  2. 2.Dept. of Industrial Plant Science & TechnologyChungbuk National UniversityCheongjuRepublic of Korea

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