Decontamination of grains and legumes infected with Aspergillus spp. and Penicillum spp. by cold plasma treatment

Meral Selcuk, Lutfi Oksuz, Pervin Basaran*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

315 Citations (Scopus)


The objective of this study was to determine the efficacy of a self-designed low pressure cold plasma (LPCP) system using air gases or SF6. For the inactivation and/or elimination of two pathogenic fungi, Aspergillus spp. and Penicillum spp. artificially contaminated on seed surface. The plasma decontamination process was performed by batch process in vacuum chamber, using gas injection followed by plasma discharge for the duration of 5-20 min. The plasma treatment reduced the fungal attachment to seeds below 1% of initial load depending on the initial contamination level, while preserving germination quality of the seed. A significant reduction of 3-log for both species was achieved within 15 min of SF6 plasma treatment time. Air gases plasma and SF6 plasma in particular provides an interesting surface decontamination alternative for seeds.

Original languageEnglish
Pages (from-to)5104-5109
Number of pages6
JournalBioresource Technology
Issue number11
Publication statusPublished - Jul 2008
Externally publishedYes


Financial support from the Turkish National Science Foundation (TUBITAK) Nr. 3378, National Planning Organization (DPT) and the Suleyman Demirel University, Independent Research Funds (MUNFERIT) are gratefully acknowledged.

FundersFunder number
National Planning Organization
Suleyman Demirel University
Turkish National Science Foundation


    • Aspergillus
    • Non-thermal
    • Penicillum
    • Plasma
    • Seed treatment


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