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Application of spray-dried bacteriocins as cheese biopreservatives.
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Instituto de Investigaciones para la Industria Química, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Salta (INIQUI-CONICET-UNSa), Av. Bolivia 5150, A4408FVY Salta, Argentina; Facultad Ciencias de la Salud, Universidad Nacional de Salta (UNSa), Av. Bolivia 5150, A4408FVY Salta, Argentina. Electronic address:
Listeria monocytogenes can contaminate refrigerated ready-to-eat foods, such as cheeses. Enterocins, with a strong listericidal effect, constitute a natural alternative to control this pathogen in food. To optimize their antimicrobial action in food matrices, bacteriocins can be immobilised in edible coatings through spray drying technology which allows the large-scale production of microcapsules of bioactive molecules.
View Article and Find Full Text PDFGreen technologies applied to extraction processes and analysis of polyphenolic compounds from Inga laurina Willd.
Food Chem
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Department of Food Technology, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil. Electronic address:
This study aimed to identify an efficient and sustainable extraction method for phenolic compounds and flavonoids from I. laurina using maceration (conventional), ultrasonic bath and probes, cup horn sonication, and microwave. It evaluated extraction parameters and assessed total phenolic compounds, flavonoids, antioxidant, and antimicrobial capacities, with annotated compounds via ESI-ToF-MS and the green analytical procedure index analysis.
View Article and Find Full Text PDFPurification, characterization, and mechanistic studies of Gassericin GA-3.1: A novel class IIc bacteriocin produced by Lactobacillus gasseri LG145.
Int J Biol Macromol
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College of Engineering, China Agricultural University, Beijing 100083, China. Electronic address:
Bacteriocins, naturally derived antimicrobial peptides, are considered promising alternatives to traditional preservatives and antibiotics, particularly in food and medical applications. Despite extensive research on various bacteriocins, cyclic varieties remain understudied. This study introduces Gassericin GA-3.
View Article and Find Full Text PDFDraft genome sequence of BDSA strain isolated from ready-to-eat chicken product in Dhaka, Bangladesh.
Microbiol Resour Announc
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Department of Microbiology, University of Dhaka, Dhaka, Bangladesh.
We present the genome of BDSA isolated from ready-to-eat (RTE) meat collected in Dhaka, Bangladesh. The genome displays the Listeria pathogenicity island 1 and virulence, stress response, and antimicrobial resistance genes. It was phylogenetically classified as ST7, and clustered with serotype 1/2a belonging to lineage II.
View Article and Find Full Text PDFInvestigating the inhibitory effect of nettle (Urtica dioica L.) essential oil and Pickering nanoemulsion on some pathogenic bacteria inoculated into pizza cheese.
Int J Food Microbiol
January 2025
Department of Food Science and Technology, Ayatollah Amoi Branch, Islamic Azad University, Amol, Iran.
The aim of the present research was to evaluate the effect of Urtica dioica L. (nettle) essential oil (in the forms of Pickering nanoemulsion (NEO) and free (EO)) on microbial, chemical and sensory changes of pizza cheese stored at 4 °C for 12 days. For this purpose, Escherichia coli and Listeria monocytogenes were inoculated into pizza cheese.
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