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Development of an oral immunoadjuvant from cheonggukjang that is efficacious for both mucosal and systemic immunity

  • Inkyu Hwang
  • , Daewoon Choi
  • , Hyejeong See
  • , Seong Il Lim
  • , Wonyong Kim
  • , In Sik Chung
  • , Dong Hwa Shon

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Immunological properties of a 50% ethanol/aqueous extract of cheonggukjang (CGJ), a fermented soybean product, were investigated as a potent, orallyavailable, and cost-effective immunoadjuvant. Different from cholera toxin, a widely used experimental oral adjuvant with effects limited to mucosal immunity in the gut, oraladministration of the CGJ extract had positive effects on both mucosal and systemic immunity. Administration of keyhole limpet hemocyanin (KLH) with the CGJ extract resulted in hyper-production of KLH-specific IgA in the gut and KLH-specific IgG in the serum. Oral-administration of the CGJ extract resulted in promotion of both Th1 and Th2 immune responses, thus eliminating concerns over an imbalanced Th1 and Th2 immune bias that is often observed upon administration of other commonly used immunoadjuvants. Ethanol/aqueous extraction of CGJ resulted in enrichment of polyphenolic compounds, including flavonoids, providing a potential extra health benefit.

Original languageEnglish
Pages (from-to)239-245
Number of pages7
JournalFood Science and Biotechnology
Volume23
Issue number1
DOIs
Publication statusPublished - Feb 2014

Bibliographical note

Funding Information:
Acknowledgments This work was supported by research grants from the Korea Food Research Institute and the Next Generation BioGreen 21 Program (No. PJ006746), Rural Development Administration, Republic of Korea.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • adjuvant
  • cheonggukjang
  • fermented food
  • mucosal immunity
  • oral vaccine

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