Research Publications (Food Safety)

Multicopper oxidases (MCOs) are a diverse group of enzymes that could catalyze the oxidation of different xenobiotic compounds, with simultaneous reduction in oxygen to water. Aside from laccase, one member of the MCO superfamily has shown great potential in the biodegradation of mycotoxins; however, the mycotoxin degradation ability of other MCOs is uncertain.

Journal of the Science of Food and Agriculture, Accepted Article. BACKGROUND
Pesticide contamination in oil crops and processed products is an important food safety concern. The study was aimed to investigate the pesticide residue changes in peanut oil press processing and chips frying.

Transboundary and Emerging Diseases, Accepted Article. Economically relevant pathogens, such as African swine fever virus (ASFV), have been shown to survive when experimentally inoculated in some feed ingredients under the environmental conditions in transoceanic transport models. However, these models did not characterize the likelihood of virus survival under various time and temperature processes that feed ingredients undergo before they are added to swine diets.

Letters in Applied Microbiology, Accepted Article. This study aimed to evaluate the inhibitory effects of phenolic-rich extracts from acerola (Malpighia emarginata D.C., PEA), cashew apple (Anacardium occidentale L., PEC) and mango (Mangifera indica L., PEM) by-products on distinct enterotoxigenic E. coli (ETEC) strains. The capability of PEA and PEC of impairing various physiological functions of ETEC strains was investigated with multiparametric flow cytometry.

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Author(s): Brandon Sit, Bolutife Fakoya, Matthew K Waldor

Author(s): Yi-An Chen, Hsin-Yun Hsu, Hui-Erh Chai, Joseph Uknalis, Shiowshuh Sheen Impact of papaya extract (PaExt) and high pressure processing (HPP) on survival of Salmonella spp., meat quality and microstructure of chicken breast meat was studied. Samples have been pre-treated with PaExt (0.3%, w/w) in 1, 3 and 5 h, respectively, then followed by 350 and 450 MPa (10 min, 4 °C) HPP treatment.

Author(s): Zhen Li, Zhaozong Meng, Constantinos Soutis, Ping Wang, Andrew Gibson

Author(s): Rui-Feng Fan, Kou-Kou Tang, Zhen-Yong Wang, Lin Wang

Antibiotics are released into the environment as their global consumption increases. Uptake, accumulation, and metabolism of antibiotics by food crops is an emerging health concern as the associated risks of consuming food crops containing antibiotics are still largely unknown. This study investigated the fate of sulfamethazine, sulfamethoxazole, and their phytometabolites during in vitro digestion of the model plantArabidopsis thaliana.

Chicken Farmers of Canada has been progressively phasing out prophylactic use of antibiotics in broiler chicken production. Consequently, hatcheries, veterinarians, and nutritionists have been mandated to contend with less reliance on the use of preventive antibiotics. A topical concern is the increased risk of proliferation of enteric pathogens leading to poor performance, increased mortality, and compromised welfare.

Food bio-preservatives are requested as substituents of chemical pesticides in food. The aim of this study was to carry out a screening of twenty biocontrol agents (BCAs) for their potential fungicidal activity in vitro. Twenty BCAs were tested against ten pathogenic fungi. Some of the cell-free supernatants (CFS) tested showed in vitro antifungal activity versus pathogenic fungi.

Journal of Separation Science, Accepted Article. In this work, magnetic mesoporous polymelamine-formaldehyde composites were synthesized via a facile Schiff base reaction. The magnetic mesoporous polymelamine-formaldehyde composites combined both the properties of mesoporous polymelamine-formaldehyde and the magnetism of NH2-SiO2@Fe3O4 nanoparticles, possessing high specific surface area (150.66 m2 g–1) and good magnetism (24.50 emu g–1).

Author(s): Hwa Jeong You, Jung Hyen Lee, Minjin Oh, Sin Young Hong, Doyeon Kim, Jieun Noh, Minsik Kim, Byoung Sik Kim

Author(s): Džemil Hajrić, Muhamed Smajlović, Boris Antunović, Ahmed Smajlović, Davor Alagić, Dinaida Tahirović, Dragan Brenjo, Enida Članjak-Kudra, Jasmina Djedjibegović, Aleksandra Porobić, Vedran Poljak

Author(s): Yizhu Zhao, Jiahuan Fu, Peng Li, Ningbo Chen, Yanjie Liu, Dan Liu, Yuming Guo

In Actinobacteria , protein O-mannosyl transferase (Pmt)-mediated protein O-glycosylation has an important role in cell envelope physiology. In S.

This study applied multi-mycotoxin liquid chromatography with tandem mass spectrometric detection (LC-MS/MS) methods to determine the biomarkers of exposure in urine and serum samples from a dose-response study with pigs. The 24 studied pigs were divided into three groups: a control and two experimental ones (with different levels of feed contamination).

Fridericia chica (Bignoniaceae) is a traditional medicinal plant. The aim of this research was to determine the protective effects of the hydroethanolic extract from the F. chica leaves (HEFc) against the cytotoxicity of zearalenone (α-ZEL) and β-ZEL on SH-SY5Y cells. Free radical scavenging activity of HEFc was evaluated using the DPPH method.

Botulinum neurotoxins (BoNTs) are potent inhibitors of synaptic vesicle fusion and transmitter release. The natural target of BoNTs is the peripheral neuromuscular junction (NMJ) where, by blocking the release of acetylcholine (ACh), they functionally denervate muscles and alter muscle tone. This leads them to be an excellent drug for the therapy of muscle hyperactivity disorders, such as dystonia, spasticity, and many other movement disorders.

The emergence of multi-drug resistant E. coli is an important matter of increasing considerable concern to global public health. The aim of this study was to investigate the incidence, antibiotic resistance pattern and phylogroups of E. coli isolates obtained from raw milk, vegetable salad and ground meat samples collected from Qazvin Province (Iran).

Staphylococcus aureus (S. aureus) is an important pathogen that causes clinical mastitis in goats and produces infections difficult to cure. Different antimicrobials as fluoroquinolones have been used against S. aureus. However, the studies developed to evaluate the bacterial drug interaction only have used the MIC as a single reference point with artificial growth media. The aims of this study were to describe the effect of marbofloxacin on S.

Journal of the Science of Food and Agriculture, Accepted Article. Background

Brucella melitensis Rev.1 is a live attenuated vaccine strain that is widely used to control brucellosis in small ruminants. For successful surveillance and control programs, rapid identification and characterization of Brucella isolates and reliable differentiation of vaccinated and naturally infected animals are essential prerequisites.