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Inactivation of Penicillium expansum spores in apple juice by contact glow discharge electrolysis and its related mechanism
Year:
2022
Authors :
Prusky, Dov
;
.
Volume :
80
Co-Authors:

Haitao Long
Lumei Pu
Weibing Xu
Mina Nan
William Oyom
Dov Prusky
Yang Bi
Huali Xue

Facilitators :
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Total pages:
1
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Abstract:

Penicillium expansum spores in apple juice were treated with contact glow discharge electrolysis (CGDE), and the effect of different parameters on the efficiency of spore inactivation and the related mechanism were investigated. We found that CGDE effectively inactivated spores of P. expansum in the clarified apple juice. CGDE achieved a 3.71 log inactivation of spores in the juice with 1 cm electrode gap, at 520 V, and discharge time for 15 min. CGDE produced hydrogen peroxide in the juice, and the concentration reached 58.1 mg/L after discharged for 30 min. CGDE destroyed the integrity of the cell membrane in the spores, and reduced the activities of superoxide dismutase, catalase, and peroxidase by 68.1%, 81.8%, and 68.0% after discharged for 30 min. In addition, CGDE inhibited mycelial growth, reduced colony diameter by 18.9%, and decreased the lesion diameter by 41.4% in apples surface-inoculated with P. expansum. Taken together, CGDE could inactivate the spores of P. expansum in apple juice by inducing reactive oxygen species accumulation and disrupting the integrity of cell membrane of spores.

Note:
Related Files :
Apple juice
Contact glow discharge electrolysis
inactivation
Penicillium expansum spores
reactive oxygen species
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More details
DOI :
10.1016/j.ifset.2022.103100
Article number:
103100
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
61675
Last updated date:
29/08/2022 17:47
Creation date:
29/08/2022 17:44
You may also be interested in
Scientific Publication
Inactivation of Penicillium expansum spores in apple juice by contact glow discharge electrolysis and its related mechanism
80

Haitao Long
Lumei Pu
Weibing Xu
Mina Nan
William Oyom
Dov Prusky
Yang Bi
Huali Xue

Inactivation of Penicillium expansum spores in apple juice by contact glow discharge electrolysis and its related mechanism

Penicillium expansum spores in apple juice were treated with contact glow discharge electrolysis (CGDE), and the effect of different parameters on the efficiency of spore inactivation and the related mechanism were investigated. We found that CGDE effectively inactivated spores of P. expansum in the clarified apple juice. CGDE achieved a 3.71 log inactivation of spores in the juice with 1 cm electrode gap, at 520 V, and discharge time for 15 min. CGDE produced hydrogen peroxide in the juice, and the concentration reached 58.1 mg/L after discharged for 30 min. CGDE destroyed the integrity of the cell membrane in the spores, and reduced the activities of superoxide dismutase, catalase, and peroxidase by 68.1%, 81.8%, and 68.0% after discharged for 30 min. In addition, CGDE inhibited mycelial growth, reduced colony diameter by 18.9%, and decreased the lesion diameter by 41.4% in apples surface-inoculated with P. expansum. Taken together, CGDE could inactivate the spores of P. expansum in apple juice by inducing reactive oxygen species accumulation and disrupting the integrity of cell membrane of spores.

Scientific Publication
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