Research Publications (Food Safety)

Calcium (Ca2+) can regulate the swarming motility and virulence of Vibrio parahaemolyticus BB22. However, the effects of Ca2+ on the physiology of V. parahaemolyticus RIMD2210633, whose genomic composition is quite different with that of BB22, have not been investigated. In this study, the results of phenotypic assays showed that the biofilm formation, c-di-GMP production, swimming motility, zebrafish survival rate, cytoxicity against HeLa cells, and adherence activity to HeLa cells of V.

Livestock‐Associated Methicillin‐ResistantStaphylococcus aureus (LA‐MRSA) strains of clonal complex (CC) 398 are widely disseminated in pigs and are considered emerging pathogens in human medicine. To investigate the prevalence, genetic characteristics, and zoonotic potential of the pathogen in pig production settings, dust samples were collected from 40 pig operations in Hungary, along with nasal swabs of attending veterinarians and other swine professionals (n = 27) in 2019.

Bovine kobuvirus (BKV) is an infectious agent associated with neonatal calf diarrhoea (NCD), causing important economic losses to dairy and beef cattle herds worldwide. Here, we present the detection rate and characterize the genome of BKV isolated from diarrhoeic calves from a Central Italy herd. From January to December 2021, we collected blood samples and nasal and rectal swabs from 66 calves with severe NCD between 3 and 20 days of age.

The presence of pathogenic bacteria in organic feed and food is a topic of current subject of study due to concerns that certain organic practices may heighten the risk of contamination and contribute to the spread of foodborne pathogens. The primary objective of this research is to analyze the main microbial contaminants exclusively associated with organic products, as reported in the literature.

Nanostructured lipid carrier (NLC) is a second-generation smart delivery system with a solid matrix at room temperature. This carrier system consists of biocompatible surfactants and lipid materials and is accepted by regulatory authorities for use in various delivery systems. This study is a comparative study between the function of thymol-loaded NLC and thymol-nanoemulsion (NE) in Na-alginate coating to extend the shelf life of fresh chicken meat.

Listeria spp. is an important foodborne bacterium. This microorganism can be discarded from milk using high temperatures such as pasteurization. The milk‐processing methods of many small‐scale retailers lack quality control. This study was to survey Listeria contamination at the farm and retailer levels. The retailers were to be interviewed for knowledge, attitude, and practice as well.

In Sichuan cuisine, cold‐eating rabbit meat is highly regarded for its very strong taste and historical legacy. This study is aimed at evaluating the quality and bacterial diversity of cold‐eating rabbit meat during storage. Under different storage time and temperatures, cold‐eating rabbit meat underwent a decrease in pH, whereas the contents of thiobarbituric acid reactive substances, total volatile basic nitrogen, and total viable count increased.

Pink pepper essential oil was microencapsulated with chickpea protein (CP) and chickpea protein/pectin (CP-HMP) by spray drying. The reconstitution and storage properties of the powders were evaluated after drying. The impact of microencapsulation in the volatiles release, antioxidant and antimicrobial activity of oil was evaluated during 135 days of storage.

It is crucial to discover novel antimicrobial drugs to combat resistance. This study investigated the antibacterial properties of halicin (SU3327), an AI-identified anti-diabetic drug, against 13 kinds of common clinical pathogens of animal origin, including multidrug-resistant strains. Employing minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) assessments, halicin demonstrated a broad-spectrum antibacterial effect.

Abstract Asian seabass, Lates calcarifer, is an important aquatic species in mariculture. Intensive farming of this species has faced episodes of bacterial diseases, including those due to vibriosis, scale drop, and muscle necrosis disease, big belly disease, photobacteriosis, columnaris, streptococcosis, aeromoniasis, and tenacibaculosis.

Abstract Diseases caused by pathogens commonly occurring in the aquatic environment or those that are non‐host specific are prevalent and threaten the rapid growth of tropical aquaculture. This study investigates causes of mortality in 12 batches of newly stocked juvenile Lates calcarifer from three different hatcheries.

Aquaculture is a crucial industry that can help meet the increasing demand for aquatic protein products and provide employment opportunities in coastal areas and beyond. If incorrectly manage, traditional aquaculture methods can have negative impacts on the environment and natural resources, including water pollution and overuse of wild fish stocks as aquafeed ingredients.

Ocimum basilicum has antioxidant, anti‐inflammatory, and antimicrobial effects. The present study was conducted to evaluate the effects of O. basilicum extract on growth yield, safety, and marinating physiologic functions of the rainbow trout. The fish were fed with food rations containing 0%, 1%, 2%, and 3% of basil extract. Basil extract, especially at 1% concentration food ration, significantly increased the growth parameters compared with the control group (p < 0.05).

Infection with the pathogenic bacterium Vibrio parahaemolyticus typically causes severe hepatopancreatic damage in Penaeus vannamei, often resulting in acute shrimp mortality. Therefore, protecting the shrimp’s hepatopancreas is crucial for enhancing their disease resistance. Previous research has demonstrated that the probiotic strain Lactobacillus plantarum Ep‐M17 inhibits the growth of V. parahaemolyticus E1 in vitro.

by Jiratchaya Puangseree, Rangsiya Prathan, Songsak Srisanga, Rungtip Chuanchuen

Little is known about shifts in the fecal microbiome of dairy calves preceding and following the incidence of gastrointestinal disease. The objective of this cohort study was to describe the fecal microbiome of preweaned dairy calves before, during, and after gastrointestinal disease. A total of 111 Holstein dairy calves were enrolled on 2 dairies (D1 and D2) and followed until 5 weeks old. Health assessments were performed weekly and fecal samples were collected every other week.

The present study aims to evaluate the antibacterial activity of five commercially available essential oils (EOs), Lavender (LEO), Clove (CEO), Oregano (OEO), Eucalyptus (EEO), and Peppermint (PEO), against the most-known MDR Gram-positive and Gram-negative bacteria&mdash;Staphylococcus aureus (ATCC 25923), Escherichia coli (ATCC 25922), and Pseudomonas aeruginosa (ATCC 27853)&mdash;alone and in various combinations.

Street food may be a vehicle of antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs) to humans. Foods contaminated with ARB entail serious problems or challenges in the fields of medical care, animal husbandry, food industry, and public health worldwide. The objectives of this systematic review were to identify and evaluate scientific reports associated with ARB isolated from various street foods.