Inactivation of Human Norovirus GII.4 and in the Sea Squirt () by Floating Electrode-Dielectric Barrier Discharge Plasma

Overview

Journal Foods

Specialty Biotechnology

Date 2023 Mar 11

PMID 36900547

Authors

Min Gyu Song

So Hee Kim

Eun Bi Jeon

Kwang Soo Ha

Sung Rae Cho

Yeoun Joong Jung

Eun Ha Choi

Jun Sup Lim

Jinsung Choi

Shin Young Park

Affiliations

Soon will be listed here.

Abstract

Human norovirus (HNoV) GII.4 and may be found in sea squirts. Antimicrobial effects of floating electrode-dielectric barrier discharge (FE-DBD) plasma (5-75 min, N 1.5 m/s, 1.1 kV, 43 kHz) treatment were examined. HNoV GII.4 decreased by 0.11-1.29 log copy/μL with increasing duration of treatment time, and further by 0.34 log copy/μL when propidium monoazide (PMA) treatment was added to distinguish infectious viruses. The decimal reduction time (D) of non-PMA and PMA-treated HNoV GII.4 by first-order kinetics were 61.7 (R = 0.97) and 58.8 (R = 0.92) min, respectively. decreased by 0.16-1.5 log CFU/g as treatment duration increased. The D for by first-order kinetics was 65.36 (R = 0.90) min. Volatile basic nitrogen showed no significant difference from the control until 15 min of FE-DBD plasma treatment, increasing after 30 min. The pH did not differ significantly from the control by 45-60 min, and Hunter color in "L" (lightness), "a" (redness), and "b" (yellowness) values reduced significantly as treatment duration increased. Textures appeared to be individual differences but were not changed by treatment. Therefore, this study suggests that FE-DBD plasma has the potential to serve as a new antimicrobial to foster safer consumption of raw sea squirts.

Citing Articles

Application of High-Pressure Processing (or High Hydrostatic Pressure) for the Inactivation of Human Norovirus in Korean Traditionally Preserved Raw Crab.

Roy P, Jeon E, Kim J, Park S Viruses. 2023; 15(7).

PMID: 37515285 PMC: 10386741. DOI: 10.3390/v15071599.

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