In vitro evaluation of two novel Escherichia bacteriophages against multiple drug resistant avian pathogenic Escherichia coli.

Background: In recent years, there has been a growing interest in phage therapy as an effective therapeutic tool against colibacillosis caused by avian pathogenic Escherichia coli (APEC) which resulted from the increasing number of multidrug resistant (MDR) APEC strains.

Methods: In the present study, we reported the characterization of a new lytic bacteriophage (Escherichia phage AG- MK-2022. Basu) isolated from poultry slaughterhouse wastewater.

Isolation and characterization of two Staphylococcus aureus lytic bacteriophages "Huma" and "Simurgh".

Nowadays finding the new antimicrobials is necessary due to the emerging of multidrug resistant strains. The present study aimed to isolate and characterize bacteriophages against S. aureus.

Medical, pharmaceutical, and nutritional applications of 3D-printing technology in diabetes.

Aims: Despite numerous studies covering the various features of three-dimensional printing (3D printing) technology, and its applications in food science and disease treatment, no study has yet been conducted to investigate applying 3D printing in diabetes. Therefore, the present study centers on the utilization and impact of 3D printing technology in relation to the nutritional, pharmaceutical, and medicinal facets of diabetes management. It highlights the latest advancements, and challenges in this field.

Controlling of foodborne pathogen biofilms on stainless steel by bacteriophages: A systematic review and meta-analysis.

This study investigates the potential of using bacteriophages to control foodborne pathogen biofilms on stainless steel surfaces in the food industry. Biofilm-forming bacteria can attach to stainless steel surfaces, rendering them difficult to eradicate even after a thorough cleaning and sanitizing procedures. Bacteriophages have been proposed as a possible solution, as they can penetrate biofilms and destroy bacterial cells within, reducing the number of viable bacteria and preventing the growth and spread of biofilms.

A systematic review and modeling of the effect of bacteriophages on O157:H7 reduction in vegetables.

Prevention and control of food pathogens are important for public health and O157:H7 infections are known as one of the most important food-borne bacterial diseases transmitted to humans. Vegetables can be a major source of O157:H7 bacteria. Bacteriophages have been considered in recent years as a natural method for controlling pathogens with minimal damage to the quality of vegetables.

A systematic review and modeling of the effect of bacteriophages on spp. Reduction in chicken meat.

Prevention and control of foodborne pathogens are of vital public health importance, and poultry meat is recognized as a major source of infection in humans. Therefore, it is necessary to reduce the presence of in poultry meat. This article provided a systematic review and modeling to assess the effect of various factors on bacteriophages' function on spp.

Application of the lytic bacteriophage Rostam to control Salmonella enteritidis in eggs.

Foodborne Salmonella enteritidis infections place human health at risk, driven by regular outbreaks and individual cases by different contaminated food materials. This study was conducted to characterize and employ a single bacteriophage as a potential biocontrol agent. Phage Rostam was isolated, characterized and then applied as biocontrol agent against S.

Effect of eliminating gene of TYH1 on Histamine production.

Background And Objectives: The possible adverse effect of histamine on human health has made it a detrimental aspect to the quality and safety of many fermented food products especially fish sauce.

Materials And Methods: In the present study, gene in TYH1 was knocked out and its effect on histamine production was evaluated. encodes histidine decarboxylase, an enzyme that produces histamine from histidine.

Identification of Tartrazine adulteration and evaluating exposure to synthetic dyes of sunset yellow and Quinoline yellow through consumption of food products among children.

Excessive consumption of synthetic food dyes by children may raise concerns about their health. These dyes may aggravate the hyperactivity symptoms and exacerbate asthma in sensitive children. The purpose of this study was to determine the presence of sunset yellow and quinoline yellow dyes, as well as tartrazine in dairy-free fruit ice cream, freeze pop, jelly, and candy.

Potential of nanochitosan coating combined with walnut green husk to improve the preservation of rainbow trout (Oncorhynchus mykiss) during refrigerated storage.

The present study evaluated the potential of nanochitosan coating enriched with ethanol-water extract of the walnut green husk (WGHE) on spoilage and rancidity of rainbow trout (Oncorhynchus mykiss) during six-day refrigerated storage. Hence, we have considered fresh trout fillets without any treatment as control (C), immersed in 2% solution of chitosan nanoparticles (CN), combination with 1.5% and 3% WGHE with nanochitosan coating (CN + WGHE 1.

Isolation and characterization of E. coli O157: H7 novel bacteriophage for controlling this food-borne pathogen.

E. coli O157: H7 is known as a high-risk food-born pathogen, and its removal is vital for maintaining food safety. The increasing trend of food-borne diseases caused by this bacterium and other pathogens indicates the low efficiency of the methods to remove pathogens from foodstuffs.

The residual nitrate and nitrite levels in meat products in Iran: A systematic review, meta-analysis and health risk assessment.

This study was designed to investigate the mean residual nitrite and nitrate levels in meat products, in Iran and to evaluate their health-related risks. After reviewing 799 studies, 15 were finally selected, their information was recorded and examined using Stata software. The results of the present study show that the mean residual nitrite and nitrate levels in meat products was about 55.

Antibiotic residues in poultry tissues in Iran: A systematic review and meta-analysis.

To control the drug residues in foods, the national Maximum Residue Limits (MRLs) have been determined by the international organizations; however, no regulation has been complied for MRL in food animals in Iran. This study was a systematic review and meta-analysis about studies of antibiotic residues in slaughtered poultry carcasses, in Iran. The information was first collected and analyzed throughout six international databases, and four Iranian national databases.

Influence of limited replacement of NaCl with KCl and yeast extract on microbiological, chemical, sensory, and textural properties of emulsion-type chicken sausages.

‏In this study, the production of emulsion-type sausage by replacement of 20% to 40% KCl plus 1% or 2% yeast extract instead of NaCl was studied. The physical, chemical, microbiological, and sensory properties of the samples were analyzed up to 28 days of storage. The sample sausages were approved by the panelists.

The morphological and biological characteristics of a virulent PI phage isolated from slaughterhouse sewage in Shiraz, Iran.

Background And Objectives: Foodborne pathogens are among the serious problems all around the world and thus a novel and natural strategy to control and to inhibit such pathogens is highly demanded nowadays. The aim of this study was to isolate a specific bacteriophage of O157:H7 from sewage in Fars province, Iran to determine its morphological and antimicrobial activities.

Materials And Methods: In order to isolate the bacteriophage of O157:H7, 10 samples of slaughterhouse wastewaters were used.

Prevalence of contamination in consumed eggs in Iran: A systematic review and meta-analysis study on published studies from 1996 to 2018.

Background And Aim: Food poisoning caused by is among the most common gastrointestinal discomfort resulted from egg consumption which can produce various syndromes. The present study is a systematic review and meta-analysis investigation on the published studies about the prevalence of contamination in the consumed eggs in Iran.

Materials And Methods: The data were collected and analyzed from four international search databases, including PubMed, Scopus, Science Direct, and Google Scholar and four Iranian databases comprising SID, MagIran, Civilica, and IranDoc.

Prevalence of species in unpasteurized dairy products consumed in Shiraz province using PCR assay.

The consumption of milk and unpasteurized dairy products contaminated with Brucella bacteria is one of the most important ways of brucellosis transmission to humans. The principal goal of this study was to determine the prevalence of () and () in unpasteurized dairy products consumed in Shiraz province. In this study conducted in 2016, 238 unpasteurized dairy products including 48 raw milk, 48 yogurt, 46 cheeses, 48 dough and 48 ice cream samples, were purchased from the retail market in Shiraz province and were examined by a specific PCR assay.

Prevalence of in unpasteurized dairy products using nested PCR assay.

Background And Objectives: Q fever is a worldwide disease which is common between humans and livestock. This disease is created by an obligate intracellular Rickettsia called The aim of this study was to determine the prevalence of in unpasteurized dairy products in Shiraz.

Materials And Methods: In this study (from summer 2016 to winter 2016), 238 non-pasteurized dairy products, (48 raw milk, 48 yogurt, 46 cheese, 48 dough and 48 ice cream samples) were collected from the retail market and analyzed using a nested PCR assay.

The prevalence of spp. in vegetables, fruits, and fresh produce: a systematic review and meta-analysis.

There are a number of reports indicating correlation between outbreaks of campylobacteriosis and the consumption of raw vegetables. This study is a meta-analysis on the prevalence of in fresh vegetables and fruits without any location limitation, which was performed through a documented review of the available resources. Relevant literature was reviewed by trained reviewers, who examined the results for the inclusion of articles in the meta-analysis.

Patulin contamination in apple products marketed in Shiraz, Southern Iran.

Background And Purpose: Patulin is one of the important mycotoxins, produced by a wide range of molds, including , and Patulin is mainly found in the rotten parts of fruits and vegetables, such as apples, pears, peach, apricots, and grapes. Currently, the Codex Alimentarius and Food and Drug Administration have recommended a maximum level of 50 µg/L patulin for apple products. The purpose of this study was to investigate patulin contamination of apple juice and cans in 75 samples collected from 15 manufacturers in Shiraz, southern Iran.

Biodegradation of atrazine from wastewater using moving bed biofilm reactor under nitrate-reducing conditions: A kinetic study.

In this study employed an anoxic moving bed biofilm reactor (AnMBBR) to evaluate the effects of hydraulic and toxic shocks on performance reactor. The results indicated a relatively good resistance of system against exercised shocks and its ability to return to steady-state conditions. In optimal conditions when there was the maximum rate of atrazine and soluble chemical oxygen demand (COD) removal were 74.

The use of inulin as fat replacer and its effect on texture and sensory properties of emulsion type sausages.

The present study aimed to investigate the possibility of reducing energy content in emulsion type sausages by replacing fat with inulin. In the manufactured product, the fat content was reduced to 6%-18% and replaced by inulin and water. The quality of the resulting product was determined by chemical and texture profile analyses (TPA), color measurement and sensory evaluation.

Simultaneous removal of atrazine and organic matter from wastewater using anaerobic moving bed biofilm reactor: A performance analysis.

In this study, an anaerobic moving bed biofilm reactor (AMBBR) was designed to biodegrade atrazine under mesophilic (32 °C) condition and then it was evaluated for approximately 1 year. After biofilm formation, acclimation, and enrichment of microbial population within the bioreactor, the effect of various operation conditions such as changes in the concentration of influent atrazine and sucrose, hydraulic retention time (HRT), and salinity on the removal of atrazine and chemical oxygen demand (COD) were studied. In optimum conditions, the maximum removal efficiency of atrazine and COD was 60.

Microbial, chemical, textural and sensory properties of coated rainbow trout by chitosan combined with pomegranate peel extract during frozen storage.

The current study was aimed to investigate the combined effects of chitosan (Ch) and pomegranate peel extract (PPE) on the overall quality of rainbow trout (Oncorhynchus mykiss) during the frozen storage. Fresh gutted fishes were dipped for 60s either in sterile distilled water (Control) or in chitosan combined with 0 (Ch), 1% (Ch+PPE1), 2% (Ch+PPE2), or 4% (Ch+PPE4) (w/v) PPE. Microbial, chemical, textural and sensory properties of the samples were intermittently checked during six months.