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Campylobacter spp. in chicken meat from traditional markets in Peru and its impact measured through a quantitative microbiological risk assessment.
Food Res Int
January 2025
Department of Animal and Public Health, School of Veterinary Medicine, Universidad Nacional Mayor de San Marcos, Av. Circunvalacion 2800, San Borja 15021, Lima 41, Peru; Tropical and Highlands Veterinary Research Institute, Universidad Nacional Mayor de San Marcos, Jr. 28 de Julio s/n, Jauja, 12150, Peru; Global Health Center, Universidad Peruana Cayetano Heredia, Av. Honorio Delgado 430, San Martín de Porres 15102, Lima 41, Peru. Electronic address:
Campylobacter is a major cause of foodborne gastroenteritis worldwide, with the mishandling of contaminated chicken meat among the main pathways for human infection. Granted the disease burden due to this pathogen, systematic assessments of its potential impact are necessary. The aims of this study were to evaluate both presence and load of Campylobacter in chicken meat sold in traditional markets, assess risk factors related with the infrastructure and hygienic conditions of market stalls, and evaluate control strategies for campylobacteriosis in Peru through a quantitative microbiological risk assessment (QMRA), a data-driven, systematic approach to quantitatively assess risks by integrating empirical contamination levels, microbial behavior, and consumer exposure.
View Article and Find Full Text PDFAntibacterial mechanism of vitamin K-mediated photodynamic inactivation against Pseudomonas fluorescens and its influences on blunt bream (Megalobrama amblycephala) quality.
Food Res Int
January 2025
College of Food Science and Technology, Huazhong Agricultural University, National R & D Branch Center for Conventional Freshwater Fish Processing, Wuhan, Hubei Province 430070, PR China. Electronic address:
Photodynamic inactivation (PDI) has emerged as a novel non-thermal process technology for inactivating microorganisms due to its low cost, safety, and efficiency. This study aimed to investigate the antimicrobial effect of VK-mediated PDI against Pseudomonas fluorescens (P. fluorescens) and to assess its impact on the quality of the blunt bream contaminated with P.
View Article and Find Full Text PDFImpact of storage temperature and ultraviolet irradiation on rotavirus survival on food matrices.
Food Res Int
January 2025
Department of Food and Nutrition, College of Biotechnology and Natural Resources, Chung-Ang University, 4726, Gyeonggi-do 17546, Republic of Korea. Electronic address:
This study investigated the survival of human rotavirus (HRV) on fresh beef, chicken, and lettuce stored at various temperatures, as well as the effect of UV-C exposure on HRV viability on these food surfaces. At 20 °C, the survival rate of three HRV strains (WA, 89-12C2, and DS-1) on beef, chicken, and lettuce decreased within 3 days, with the most significant reduction observed on beef. When stored at 4 °C, a significant reduction in HRV viability was observed by day 7, with the greatest decrease observed on beef, followed by chicken and lettuce.
View Article and Find Full Text PDFDeteriorated abatement of micropollutants in biological activated carbon filters with aged media: Key role of permeability.
Water Res
December 2024
Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address:
Biological activated carbon (BAC) filtration is vital for the abatement of micropollutants in drinking water. However, limited information is available on contaminant removal in BAC filters with aged media (e.g.
View Article and Find Full Text PDFSoil stressors on ecophysiology of bauxite mine impacted soil: Heavy metal-acidity-organic matter nexus.
J Environ Qual
January 2025
Agricultural and Ecological Research Unit, Indian Statistical Institute, Giridih, Jharkhand, India.
Article Synopsis
- This study explores how bauxite mining impacts soil quality and microbial health in mining-adjacent areas, which has been under-researched compared to other types of mining like coal and copper.
- Soil samples from locations near an active bauxite mine showed high levels of heavy metals (like chromium and lead), acidity, and aluminum, negatively affecting important microbial indicators such as enzyme activity and microbial biomass.
- The research found that the concentrations of organic carbon could help mitigate some of the acidity effects, with acid phosphatase enzyme being a key factor in differences seen across various sampling sites.
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