Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/56685
Title: Effects of High Concentration-Short Time and Low Concentration-Long Time Ozone Treatments on Growth and Aflatoxin B1 Production of Aspergillus flavus in Red Pepper
Authors: Özel, Metehan
Karaca, Hakan
Keywords: Dried products
mycotoxin
nonthermal processing
oxidation
ozone
Gaseous Ozone
Quality
Exposure
Contamination
Postharvest
Ochratoxin
Black
Inactivation
Germination
Prevention
Publisher: Taylor & Francis Inc
Abstract: The effects of high concentration-short time (HCST) and low concentration-long time (LCLT) gaseous ozone treatments on growth and aflatoxin B1 production of Aspergillus flavus in semi-dried red pepper are presented for the first time in this paper. Potato dextrose agar (PDA) media and peppers were inoculated with a toxigenic strain of A. flavus and exposed to either HCST (1500 mu L L-1 for 1-8 h) or LCLT (0.1 mu L L-1 for 8 d) ozone treatments. Both treatments significantly inhibited A. flavus growth in PDA and peppers (p < 0.05). In pepper samples, fungal count reductions obtained by HCST and LCLT ozone treatments were around 1.57 and 1.66 log, respectively. However, the inhibitory effect decreased in time which shows that the fungus rapidly develops a resistance to ozone. The amounts of aflatoxin B-1 produced in PDA and pepper were also significantly reduced (by more than 85%) by the treatments (p < 0.05). These results demonstrate the potential of ozone treatments in preventing fungal contamination and aflatoxin production in red pepper.
URI: https://doi.org/10.1080/01919512.2024.2307022
https://hdl.handle.net/11499/56685
ISSN: 0191-9512
1547-6545
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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