The Influence of Light-Emitting Diodes (LEDs) on the Growth, Antioxidant Activities, and Metabolites in Adventitious Root of Panax ginseng C.A. Meyer

  • Bimal Kumar Ghimire
  • Jae Geun Lee
  • Ji Hye Yoo
  • Jae Kwang Kim
  • Chang Yeon Yu


This study examines the impact of light-emitting diodes (LEDs) on the growth, antioxidant properties, and some phenolic metabolites of adventitious roots (AR) of ginseng (Panax ginseng C.A. Meyer) using bioreactor. AR exposed to red-LED produced higher biomass than cultures grown under blue-LED and fluorescent light treatments. Among the identified phenolic compounds, ferulic acid, p-coumaric acid, sinapic acid, vanillic acid, and syringic acid were dramatically increased under blue-LED treatment compared to fluorescent light and red-LED light irradiation. Total policosanol contents were higher in red-LED treatment of ginseng root, where the amount of eicosanol and docosanol significantly increased. Total tocopherol and sterol contents were higher in blue-LED treatment of ginseng root. AR cultured under red-LED produced significantly higher campesterol, cholesterol, b-sitosterol, and stigmasterol. Blue-LED light showed significantly higher antioxidant activity compared to that of red-LED and fluorescent light. The present study reflects the changes in the growth pattern, antioxidant activity, and composition as well as concentration of metabolites in response to LED light of different wavelengths on the AR of ginseng. Thus, LED exposure has potential to enhance the accumulation of metabolites and antioxidant properties of AR of ginseng.


Antioxidant activity Light-emitting diode Lipophilic compounds Panax ginseng 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Bimal Kumar Ghimire
    • 1
  • Jae Geun Lee
    • 3
  • Ji Hye Yoo
    • 5
  • Jae Kwang Kim
    • 4
  • Chang Yeon Yu
    • 2
  1. 1.Department of Applied BioscienceKonkuk UniversitySeoulRepublic of Korea
  2. 2.Department of Bio-Resource SciencesKangwon National UniversityChuncheonRepublic of Korea
  3. 3.Research Institute of Biotechnology, Hwajin CosmeticsHongcheonRepublic of Korea
  4. 4.Division of Life SciencesIncheon National UniversityIncheonRepublic of Korea
  5. 5.Bioherb Research InstituteKangwon National UniversityChuncheonSouth Korea

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