Alejandro Castillo
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View article: Simulating <i>Listeria monocytogenes</i> Cross‐Contamination of Fresh Avocado in a Dry Pack Line: A Hybrid Approach to Food Safety
Simulating <i>Listeria monocytogenes</i> Cross‐Contamination of Fresh Avocado in a Dry Pack Line: A Hybrid Approach to Food Safety Open
This study addresses the urgent need for simulation‐based tools that evaluate corrective actions against microbial cross‐contamination in food packing facilities. It presents a novel Food Safety Agent‐Based Simulation (FS‐ABS) that integra…
View article: Polymeric Coatings with Electrolyzed Acidic Water: A Novel Approach to Extending Egg Shelf Life and Quality
Polymeric Coatings with Electrolyzed Acidic Water: A Novel Approach to Extending Egg Shelf Life and Quality Open
Electrolyzed acidic water (EAW) contains hypochlorous acid as its active compound, which is a potent antimicrobial. It was encapsulated in polymeric coatings and applied to the surface of eggs. The antimicrobial activity and the ability to…
View article: Factors Affecting Growth and Survival of Salmonella in Onion Extracts and Onion Bulbs
Factors Affecting Growth and Survival of Salmonella in Onion Extracts and Onion Bulbs Open
This study investigated the survival and growth of Salmonella in onion extracts and bulbs. The inhibition or retardation of Salmonella growth by extracts of red, white, and yellow onions was tested against the onion germplasm and exposure …
View article: Phyllosphere Bacterial Communities in Spinach Are Influenced by Soil Nitrogen Availability
Phyllosphere Bacterial Communities in Spinach Are Influenced by Soil Nitrogen Availability Open
Nitrogen is an essential macronutrient for the growth and development of plants. For spinach, as for most crops, nitrogen-based fertilizers are used to improve productivity and quality. Although the significance of the soil microbiome in t…
View article: Factors Affecting Growth and Survival of <em>Salmonella </em>in Onion Extracts and Onion Bulbs
Factors Affecting Growth and Survival of <em>Salmonella </em>in Onion Extracts and Onion Bulbs Open
This study investigated the survival and growth of Salmonella in onion extracts and bulbs. Extracts of an array of onion varieties and germplasms were used to evaluate their ability to retard or inhibit Salmonella growth and the antimicrob…
View article: Mechanism of Isoniazid‐Induced Hepatotoxicity: Academic Case.
Mechanism of Isoniazid‐Induced Hepatotoxicity: Academic Case. Open
Isoniazid is used to treat or prophylaxis tuberculosis; However, its use may be associated with adverse liver reactions. Clinically overt hepatitis occurs in 0.5%-1% of patients receiving isoniazid as monotherapy. This clinical case report…
View article: Bioactive Peptides and Protein Hydrolysates Used in Meat and Meat Products’ Preservation─A Review
Bioactive Peptides and Protein Hydrolysates Used in Meat and Meat Products’ Preservation─A Review Open
Meat is highly perishable due to its composition and susceptibility to microbial growth and enzymatic degradation. Preservation methods are necessary to extend its shelf life, allowing for longer storage, transportation, and distribution w…
View article: Bioinspired Superhydrophobic Nanocoating Based on Polydopamine and Nanodiamonds to Mitigate Bacterial Attachment to Polyvinyl Chloride Surfaces in Food Industry Environments
Bioinspired Superhydrophobic Nanocoating Based on Polydopamine and Nanodiamonds to Mitigate Bacterial Attachment to Polyvinyl Chloride Surfaces in Food Industry Environments Open
Polyvinyl chloride (PVC) is commonly utilized as a food-contact surface by the food industry for processing and storage purposes due to its durability, ease of fabrication, and cost-effectiveness. Herein, we report a composite coating for …
View article: Edible nano-encapsulated cinnamon essential oil hybrid wax coatings for enhancing apple safety against food borne pathogens
Edible nano-encapsulated cinnamon essential oil hybrid wax coatings for enhancing apple safety against food borne pathogens Open
Post-harvest losses of fruits due to decay and concerns regarding microbial food safety are significant within the produce processing industry. Additionally, maintaining the quality of exported commodities to distant countries continues to…
View article: Oversampling methods for machine learning model data training to improve model capabilities to predict the presence of <i>Escherichia coli</i> MG1655 in spinach wash water
Oversampling methods for machine learning model data training to improve model capabilities to predict the presence of <i>Escherichia coli</i> MG1655 in spinach wash water Open
We assessed the efficacy of oversampling techniques to enhance machine learning model performance in predicting Escherichia coli MG1655 presence in spinach wash water. Three oversampling methods were applied to balance two datasets, formin…
View article: Multifunctional coatings for mitigating bacterial fouling and contamination
Multifunctional coatings for mitigating bacterial fouling and contamination Open
Bacterial fouling is a multiscale, multistage process responsible for surface contamination and bacterial-related infections and illnesses. The formation of biofilms leading to infections has a significant global impact, afflicting million…
View article: Influence of Surface Roughness, Nanostructure, and Wetting on Bacterial Adhesion
Influence of Surface Roughness, Nanostructure, and Wetting on Bacterial Adhesion Open
Bacterial fouling is a persistent problem causing the deterioration and failure of functional surfaces for industrial equipment/components; numerous human, animal, and plant infections/diseases; and energy waste due to the inefficiencies a…
View article: Antioxidant Activity of Peptide Fractions from Chickpea Globulin Obtained by Pulsed Ultrasound Pretreatment
Antioxidant Activity of Peptide Fractions from Chickpea Globulin Obtained by Pulsed Ultrasound Pretreatment Open
Protein hydrolysates and peptides can show biological activities, and pulsed ultrasound improves bioactivities. Among matrices from which protein hydrolysates can be obtain, chickpea is an excellent source. The objective of this research w…
View article: Genomic Characterization of Cronobacter spp. and Salmonella spp. Strains Isolated From Powdered Infant Formula in Chile
Genomic Characterization of Cronobacter spp. and Salmonella spp. Strains Isolated From Powdered Infant Formula in Chile Open
This study characterized five Cronobacter spp. and six Salmonella spp. strains that had been isolated from 155 samples of powdered infant formula (PIF) sold in Chile and manufactured in Chile and Mexico in 2018–2020. Two strains of Cronoba…
View article: Attachment and Survival of Salmonella enterica and Listeria monocytogenes on Tomatoes (Solanum lycopersicum) as Affected by Relative Humidity, Temperature, and Storage Time
Attachment and Survival of Salmonella enterica and Listeria monocytogenes on Tomatoes (Solanum lycopersicum) as Affected by Relative Humidity, Temperature, and Storage Time Open
Tomatoes (Solanum lycopersicum) are one of the most commonly consumed fruits worldwide. The fruit can become contaminated with Salmonella and Listeria monocytogenes at various stages of the production and supply chain, and these pathogens …
View article: Reduction of Bacterial Enteric Pathogens and Hygiene Indicator Bacteria on Tomato Skin Surfaces by a Polymeric Nanoparticle-Loaded Plant-Derived Antimicrobial
Reduction of Bacterial Enteric Pathogens and Hygiene Indicator Bacteria on Tomato Skin Surfaces by a Polymeric Nanoparticle-Loaded Plant-Derived Antimicrobial Open
This study determined Escherichia coli O157:H7 and Salmonella enterica serovar Typhimurium survival on tomato skins as a function of sanitization treatment, under three differing contamination and sanitization scenarios. Sanitizing treatme…
View article: Encapsulated Plant-Derived Antimicrobial Reduces Enteric Bacterial Pathogens on Melon Surfaces during Differing Contamination and Sanitization Treatment Scenarios
Encapsulated Plant-Derived Antimicrobial Reduces Enteric Bacterial Pathogens on Melon Surfaces during Differing Contamination and Sanitization Treatment Scenarios Open
This study aimed to quantify survival in Escherichia coli O157:H7 and Salmonella enterica serovar Typhimurium isolates on melon rind surface samples achieved by sanitizer treatment under three differing melon contamination and sanitization…
View article: Antimicrobial-Loaded Polymeric Micelles Inhibit Enteric Bacterial Pathogens on Spinach Leaf Surfaces During Multiple Simulated Pathogen Contamination Events
Antimicrobial-Loaded Polymeric Micelles Inhibit Enteric Bacterial Pathogens on Spinach Leaf Surfaces During Multiple Simulated Pathogen Contamination Events Open
Protecting fresh-packed produce microbiological safety against pre- and post-harvest microbial pathogen contamination requires innovative antimicrobial strategies. Although largely ignored in the scientific literature, there exists the pot…
View article: Purified avocado seed acetogenins: Antimicrobial spectrum and complete inhibition of <i>Listeria monocytogenes</i> in a refrigerated food matrix
Purified avocado seed acetogenins: Antimicrobial spectrum and complete inhibition of <i>Listeria monocytogenes</i> in a refrigerated food matrix Open
Avocado fruit contains lipid derivatives with antimicrobial properties called acetogenins. In this study, antimicrobial spectrum of purified acetogenins was characterized. Additionally, eight Gram-positive bacteria were exposed to commerci…
View article: Geraniol-Loaded Polymeric Nanoparticles Inhibit Enteric Pathogens on Spinach during Posttreatment Refrigerated and Temperature Abuse Storage
Geraniol-Loaded Polymeric Nanoparticles Inhibit Enteric Pathogens on Spinach during Posttreatment Refrigerated and Temperature Abuse Storage Open
Post-harvest cross-contamination of produce with bacterial human pathogens reduces the usefulness of produce as a source of wholesome human food. The application of nano-encapsulated natural antimicrobials, including essential oil componen…
View article: Effectiveness of a Commercial Lactic Acid Bacteria Intervention Applied to Inhibit Shiga Toxin-Producing<i> Escherichia coli</i> on Refrigerated Vacuum-Aged Beef
Effectiveness of a Commercial Lactic Acid Bacteria Intervention Applied to Inhibit Shiga Toxin-Producing<i> Escherichia coli</i> on Refrigerated Vacuum-Aged Beef Open
Because of their antagonistic activity towards pathogenic and spoilage bacteria, some members of the lactic acid bacteria (LAB) have been evaluated for use as food biopreservatives. The objectives of this study were to assess the antimicro…
View article: First Complete Genome Sequence of Tenacibaculum dicentrarchi, an Emerging Bacterial Pathogen of Salmonids
First Complete Genome Sequence of Tenacibaculum dicentrarchi, an Emerging Bacterial Pathogen of Salmonids Open
Tenacibaculum -like bacilli have recently been isolated from diseased sea-reared Atlantic salmon in outbreaks that took place in the XI region (Región de Aysén) of Chile. Molecular typing identified the bacterium as Tenacibaculum dicentrar…