Biotechnology and Bioprocess Engineering

, Volume 14, Issue 1, pp 91–98 | Cite as

Application of an airlift bioreactor system for the production of adventitious root biomass and caffeic acid derivatives of Echinacea purpurea

  • Jin-A Jeong
  • Chun-Hua Wu
  • Hosakatte Niranjana Murthy
  • Eun-Joo Hahn
  • Kee-Yoeup Paek


In this study, we evaluated the feasibility of using mass cultivation of the adventitious roots of Echinacea purpurea in balloon type bubble (air-lift) bioreactors to produce caffeic acid derivatives, which have pharmaceutical and therapeutic values. An approximately 10 fold increase in biomass and secondary compounds was observed after 4 weeks of culture in balloon type bubble bioreactors (5 L capacity containing 4 L of half strength MS medium). In addition, a linear relationship was observed between the concentration of biomass and the sucrose and ion consumption rate. Furthermore, the concentration of biomass in the bioreactor culture was found to increase as the conductivity decreased. An inoculum density of 7 g/L FW and an aeration rate of 0.1 vvm were found to be suitable for inducing the accumulation of biomass and secondary metabolites. Of the three caffeic acid derivatives evaluated (caftaric acid, chlorogenic acid, and cichoric acid), the concentration of cichoric acid was the highest (26.64 mg/g DW).


balloon type bubble bioreactor Echinacea caffeic acid cichoric acid adventitious roots 


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Copyright information

© The Korean Society for Biotechnology and Bioengineering and Springer-Verlag Berlin Heidelberg GmbH 2009

Authors and Affiliations

  • Jin-A Jeong
    • 1
  • Chun-Hua Wu
    • 1
  • Hosakatte Niranjana Murthy
    • 1
    • 2
  • Eun-Joo Hahn
    • 1
  • Kee-Yoeup Paek
    • 1
  1. 1.Research Center for the Development of Advanced Horticultural TechnologyChungbuk National UniversityCheongjuKorea
  2. 2.Department of BotanyKarnatak UniversityDharwadIndia

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