Effect of chlorine dioxide in reduction of harmful microbes on fermented hot pepper paste

  • Kyung-Mi Jung
  • Gi-Woo Lee
  • Mi-Ae Cho
  • Kyoung-Ju Song
  • Suk-Yul JungEmail author


In this study, the in vitro effects of chlorine dioxide (ClO2) in growth reduction against Candia glaebosa, Zygosaccharomyces bisporus, Saccharomycopsis capsularis and Pichia pastoris involving in deterioration of fermented hot pepper paste were studied to assess the applicability of chlorine dioxide to preparation of fermented hot pepper paste, and the concentration of ClO2 required for destruction of harmful microorganisms through the fumigation of fermented hot pepper paste was evaluated. ClO2 was treated by using ClO2 generator for 15 min. C. glaebosa, Z. bisporus and S. capsularis were reduced by ClO2 concentration dependent and not detected by ClO2 over 10 ppmV, whereas the P. pastoris was significantly perished by the treatment of ClO2 over 30 ppmV. We suggest that the ClO2 fumigation in stages of the preparation, disintegration, and fermentation of the paste made of fermented hot pepper might be useful for control of harmful microbes therein.


Chlorine dioxide Growth inhibition Fermented hot pepper paste Harmful microbes 



Authors of the present paper are grateful for the present study was carried out by the financial support of Gyeongsangbukdo Province for which fund was allocated from the 2018 financial resources of Rural Development Administration (RDA) for the project, “Development of Hyposaline Red-pepper Paste using Peaches (Project Non.: PJ012004)”.

Compliance with ethical standards

Conflict of interest

These authors declare that they have no conflict of interest.


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Copyright information

© The Korean Society of Food Science and Technology 2019

Authors and Affiliations

  1. 1.Cheongdo Peach Research InstituteGyeongSangBuk-Do Agricultural Technology AdministrationCheongdoKorea
  2. 2.Purgofarm Co. LtdHwasungKorea
  3. 3.Department of Biomedical Laboratory Science, Molecular Diagnosis Research InstituteNamseoul UniversityCheonanKorea

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