Naslov
Efficacy of cold atmospheric plasma for inactivation of viruses on raspberries

Autori
Velebit, Branko ; Milojević, Lazar ; Baltić, Tatjana ; Grković, Nevena ; Gummala, Sanjay ; Velebit, Marina ; Škoko, Ines ; Mojsova, Sandra ; Putnik, Predrag

Izvornik
Innovative food science & emerging technologies (1466-8564) 81 (2022); 103121, 12

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Norovirus ; Hepatitis A virus ; Cold plasma ; Inactivation ; Raspberries

Sažetak
In this study, the effectiveness of cold atmospheric plasma (CAP) in inactivating murine norovirus (MNV/human norovirus surrogate) and hepatitis A virus (HAV) on aerosol-inoculated dark red Willamette raspberries was explored. Pulsed positive corona discharge system fed by synthetic air was used for the production of CAP. Raspberries were treated for 1, 3, 5, 7, and 10 min at 25 W. Application of CAP enabled a 4 log10 infectivity reduction in <5 min for MNV and approximately 10 min for HAV (from starting level of 6.91 and 7.84 log10 PFU/mL, respectively). Viral genome copies reduction of 3.18 log10 for MNV and 4.32 for HAV were found from starting level of 5.76 and 6.47 log10 gc/μL, respectively. CAP treatment did not result in significant degradation of fruit color, an important quality attribute. The study demonstrated CAP as an efficient post-harvest decontamination method to reduce viral load in raspberries without significantly affecting its quality parameters.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija), Biotehnologija, Prehrambena tehnologija

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