Mohammad Hashemi

• Ph.D of Food Hygiene and Quality Control
• Mashhad University of Medical Sciences

Background and Aims It is believed that the presence of calcium, which is the cause of water hardness, has an inverse relationship with the occurrence of CVDs. However, the results of studies in this field are unclear due to high heterogeneity. Thus, the purpose of this study was to evaluate this hypothesis among members of the Mashhad Persian coho...

Biodegradable and/or edible films made from polysaccharides and proteins have gained attention for their potential to replace some traditional packaging materials in the food industry due to their abundance, biodegradability, and nutritional value. Glutaraldehyde (GLA), rapidly reacts with free deprotonated ε-amino groups in proteins, leading to cr...

Introduction: Foodborne diseases are severe public health problems. Food service staff who work in kitchens play an essential role in spreading foodborne pathogens. Food infections are preventable, and food safety education is critical essential for preventing them. Considering the importance of safe food preparation in hospitals and its impact on...

The research aimed to assess the effectiveness of neutral electrolyzed water, alone or combined with acetic acid and lactic acid, in reducing Listeria monocytogenes and Salmonella enteritidis in chicken breast. The research involved evaluating quality parameters, physical and chemical properties, bacterial count, and sensory characteristics of chic...

This study aimed to determine the chemical profile, cell‐based safety, antioxidant properties, antibacterial effect, and mode of action of Lactobacillus helveticus postbiotics (LHPs) against Escherichia coli O157:H7 and multidrug‐resistant Staphylococcus aureus . LHPs exhibited significant radical scavenging activity (83.59% ± 4.21% for Hydroxyl RS...

Foodborne diseases are a significant global public health concern due to their high prevalence, mortality, and economic losses. The aim of this study was to conduct a systematic review of identified foodborne pathogens and outbreaks in Iran over the past 23 years to provide an overview of the risk assessment and prevention approaches in the country...

Although bread is the principal food in most countries, polycyclic aromatic hydrocarbons (PAHs) may be present and pose a potential risk to consumers. The aim of this review is to provide a comprehensive report on the concentration and health risks associated with PAHs in bread around the world. Various databases, such as Scopus, PubMed, Science Di...

A novel film was developed from barberry (BA) anthocyanins immobilized on cobalt-based metal–organic framework (Co-MOF) nanoparticles utilizing biodegradable polyvinyl alcohol (PVA) and chitosan nanofiber (ChNF) as intelligent and active packaging for red meat freshness. The aim of the study was evaluated in two scenarios, the first evaluation of t...

The significance of flour in the Iranian diet underscores the need to ensure its safety from chemical pollutants. This study aimed to evaluate the potential health risks posed by certain heavy metals, such as Fe, Zn, Cu, Al, Co, Hg, Cr, Ni, Pb, and Cd, in wheat flour available in the Iranian market. A total of 248 flour samples were collected from...

The effectiveness of probiotics for health depends on the strain type and dosage. In this study, we endeavored to establish a robust quantitative Real-time PCR method for the evaluation probiotic strains in Iranian probiotic dairy products. The process was initiated by extracting DNA from selected bacterial strains and selecting well matched primer...

The goal of this research is development of solid phase microextraction based on monolithic molecularly imprinted polymer fiber (SPME-MMIPF) method to determine 229 pesticides in edible oil samples using gas chromatography-mass spectrometry (GC-MS) and comparison of it with the common QuEChERS method. In QuEChERS method, acetonitrile used as extrac...

Introduction Kefir beverage has beneficial microorganisms that have health-giving properties; therefore, they have a good potential to be probiotic. This study evaluated the probiotic potential, technological, and safety characteristics of Enterococcus faecalis, Lactococcus lactis, and Pichia fermentans isolated from traditional kefir beverages. M...

Mother’s breast milk is a natural and complete food for infants but can be a main source of exposure to toxic pollutants. These pollutants can negatively affect the health of the infant. Therefore, conducting biomonitoring surveys is essential to evaluate such health effects in toxicological research. This study aimed to estimate the probable healt...

This review highlights the effect of combining bioactive agents, especially nanoparticles, in carrageenan coating to increase the quality and stability of foods. This study is designed based on a review of previous studies. Biopolymer coatings and films are suitable for food and non-food packaging due to their degradability, renewable and edible na...

Recently, the use of D-amino acids as food preservatives has attracted considerable attention because these natural compounds do not have adverse effects on human health. In addition, D-amino acids such as D-tryptophan can reduce the harmful effects of other treatments. For instance, the use of D-tryptophan in food reduces the requirement for hig...

Objective Although milk and dairy products are almost complete food, they can contain toxic heavy elements with potential hazards for consumers. This review aims to provide a comprehensive report on the occurrence, concentration, and health risks of selected heavy metals in pasteurized and sterilized milk recorded worldwide. Methods The Preferred...

New eco-friendly packaging materials are essential for improving food quality, safety, nutritional value, shelf-life, and sustainability. Whey protein isolate (WPI) and chitin nanofiber (CNF) were applied as the matrix models to construct freshness indicators. The natural anthocyanin was obtained from red poppy (RPAs, 3%) and acted as the color-sen...

Introduction: Rescue and preservation of refugees and disaster victims depend on delivering cost effective, nutritionally sound food options. Utilizing food items enriched with vital nutrients and immune system fortifiers is imperative to bolster and sustain proper immune system functionality. This study explores the immunomodulatory impacts of two...

Antibiotic resistance is a critical global health concern, with Methicillin-resistant Staphylococcus aureus (MRSA) posing a significant challenge due to its resistance to commonly used antibiotics. Recent research has revealed the potential of natural compounds and microorganisms in combatting MRSA and other antibiotic-resistant bacteria. In this s...

Today, antibiotics are widely used for treatment and feed additives to enhance livestock growth. Antibiotic residues may be found in food of animal origin for various reasons, including ignoring the withdrawal period after treatment, overuse for animals, and contamination of feed with treated animals in animal products. Among animal products, dairy...

The purpose of this study was to gather information about the percentage of aflatoxin decontamination by postbi-otics and to find the most effective postbiotic. In this review article, studies were collected from databases. All the articles related to experimental studies were included in the study. It appeared that the postbiotics derived from Len...

Considering the importance of frijoles in Iran as a favorite and widely consumed food, for the first time, research was conducted on the contamination of frijoles with mycotoxins. Mycotoxins were measured with a recovery of 95–102% by high-performance liquid chromatography (HPLC) and extracted and purified using a conventional commercial immunoaffi...

In this study, antimicrobial biocomposite films based on gelatin-κ-carrageenan (Gκ) with 1, 2 and 4 % lactoferrin (L) loaded chromium-based metal-organic frameworks (L@Cr-MOFs) nanoparticles were synthesized by casting methods. The addition of L loaded Cr-MOFs into Gκ based films increased elongation at break from 2.19 to 14.92 % and decreased the...

Nowadays, food contamination is a worldwide issue at all levels of food production and a serious threat to the quality and safety of animal feed and human food. There are various physical, chemical, and biological methods for the reduction of contaminants in the food industry. Considering the increasing demand for more natural and less heavily proc...

Background Trace elements are essential for human nutrition, and their deficiencies or excesses are strongly associated with several diseases, such as cardiovascular ones. Objectives The current cross‐sectional study investigated the concentration of essential trace elements (copper, non‐metal selenium, iron, zinc, cobalt and manganese) in eggs an...

Purpose Kefir is a traditional fermented dairy beverage that has numerous health benefits due to the presence of bacteria and yeasts in an exopolysaccharide matrix. This study aims to isolate and identify beneficial microorganisms and evaluate the antimicrobial activity of kefir beverage against two important food-borne pathogens including Salmonel...

Background: Given that controlling Listeria contamination is very important in food chain system, the knowledge of their prevalence in food is very important. Therefore, this study aims to examine the prevalence of important Listeria species in various food types and evaluate serotype distribution, as well as the study of the virulence factors of L...

In this study, pectin (PC)/chitosan nanofiber (ChNF) films containing a novel anthocyanin from sumac extract were successfully developed for freshness monitoring and shelf-life extension of shrimp. The physical, barrier, morphological, color, and antibacterial properties of biodegradable films were evaluated. The addition of sumac anthocyanins to t...

Nowadays, modern food preservation techniques have emerged in the last decade. Recently, a combination of nanotechnology and active packaging has allowed the incorporation of bioactive compounds, such as essential oils, into nanoscale electrospun fibers. This phenomenon provides a new horizon in food safety and preservation. The incorporation of es...

Food waste is one of the major challenges in food safety and finding a solution for this issue is critically important. Herein, edible films and coatings became attractive for scientists as they can keep food from spoilage. Edible films and coatings can effectively preserve the original quality of food and extend its shelf life. Polysaccharides, in...

Polycyclic aromatic hydrocarbons are formed during various industrial processes and activities, mainly through pyrolysis, especially when organic matter is incompletely combusted. Evidence shows that PAHs affect host resistance, humoral immunity and immune system development. These health problems may occasionally be linked to genotoxicity, chronic...

Background: Polycyclic aromatic hydrocarbons are formed during various industrial processes and activities, mainly through pyrolysis, especially when organic matter is incompletely combusted . There is evidence that PAHs affect host resistance, humoral immunity, and immune system development. These health problems may occasionally be linked to geno...

Background The plate count technique had traditionally been used for the determination of viability and counting of probiotic bacteria, which had obvious disadvantages. Efficient tools to identify and count probiotics (alone or in combination) have evolved. Objective This study aimed to compare two methods of counting and identifying probiotics su...

Background: The objectives of this paper were to determine the overall number of diseases, deaths, and Disability-Adjusted Life Years (DALYs) caused by viral foodborne diseases (FBDs). An extensive search scheme was performed using several search terms; disease burden, foodborne disease, and foodborne viruses. Methods: The obtained results were...

Introduction: Aflatoxins are one of the most dangerous mycotoxins that have created challenges in the field of food safety. Different chemical, biological, and physical techniques were studied to detoxify aflatoxins in vegetable and animal foods. Among the biological methods is microbial detoxification. Some microorganisms, especially probiotic bac...

This paper is about assess the levels of aflatoxins in nuts.

In this research, a simple, label-free, and ultra-sensitive fluorescent platform based on a metal–organic framework (MOF) has been developed to detect melamine in milk powder. This fluorescence sensor was fabricated from sensitized terbium (Tb)@NH2-MIL-253 (Al) MOF using a hydrothermal method that involved combining the green emission of Tb (λem =...

Introduction- Research on postbiotics has shown that direct consumption of postbiotics can have more benefitscompared to probiotics. The term postbiotic does not only refer to inactive bacteria, but also to soluble metabolitesthat are secreted by living bacteria or released from their structure after the lysis of the bacteria. The purpose of thisar...

Carum copticum essential oil (CEO) is known as a valuable active food and pharmaceutical ingredient with antimicrobial and antioxidant activities. Solid lipid nanoparticles incorporated with CEO can overcome their limitations, namely low physicochemical stability and water solubility. In the current study, the antimicrobial and antioxidant activity...

Verification of methods for the microbiological examination of foods is vital according to good laboratory practices (GLP) and ISO/IEC 17025. Microbiological reference methods increase the reliability of food quality control laboratory results. This study aimed to verify three qualitative reference methods by calculating the limit of detection at 5...

This study aimed to investigate the prevalence of Methicillin- and Vancomycin-Resistant Staphylococcus aureus (MRSA, VRSA) and Vancomycin-Resistant Enterococcus (VRE) of hospital food samples in Mashhad, Iran. A total of 357 hospital food samples were collected from 13 hospitals. Enterococcus spp. and Staphylococcus aureus were identified using con...

The objective of the present study was to reduce lipid oxidation and preserve sensory quality of fish fillets maintained under refrigerator condition. The lactoperoxidase system (LPOS) or Zataria multiflora Boiss essential oil (ZEO) was added individually or in combination in biodegradable coatings. Fish fillets were analyzed for peroxide value (PV...

Background: Nowadays, finding natural compounds with antimicrobial properties against pathogens is very important, especially for the food and drug industries. Objectives: The antibacterial activity of chitosan coatings nanoemulsion (NE) containing Zataria multiflora and Bunium persicum essential oils (EOs) was evaluated in a food model (chicken br...

Background: The contaminated blenderized tube feeding (BTF) causes numerous infections in patients with deficient immune systems. The microbial quality of BTF should be thoroughly monitored to reduce the risks of microbial agents and prevent food safety problems such as food poisoning and foodborne illnesses. The aim of this study was to survey th...

The present study was conducted to determine the characterization and antibacterial activity of peppermint essential oil‐loaded solid lipid nanoparticle (PEO–SLN) and its impact on the quality of trout fillet stored at 4 ± 1°C for 12 days. The SLNs were prepared through a bath sonication technique. PEO–SLNs contained 0.2% (w/v) PEO in 2% of lipid p...

The aim of the current study was to investigate the suitability of Ziziphora tenuior essential oil (ZEO) as a preservative. For this purpose, the effect of free and microencapsulated ZEO, combined with orange fiber, was determined on the chemical and microbial qualities of cooked beef sausage. In this study, modified starch was used for encapsulati...

FOOD SAFETY SURVEILLANCE IN HOSPITAL CATERING: A PRACTICAL APPROACH IN IRAN

Background: The incorporation of dietary fibers in meat and processed meats has been introduced as an approach to amend the nutritional quality and technological properties of the products. Objectives: This study explores the effects of four dietary fibers, including orange fiber (OF), wheat fiber (WF), bamboo fiber (BF), and carrot fiber (CF), on...

Unlabelled: The article has been withdrawn at the request of the author of the journal Current Pharmaceutical Biotechnology. Bentham Science apologizes to the readers of the journal for any inconvenience this may have caused. Bentham science disclaimer: It is a condition of publication that manuscripts submitted to this journal have not been pub...

Abstract In this study, 10 different traditional Iranian cheeses, which are still consumed by people in rural areas of Iran, were examined to isolate new strains of probiotic bacteria. Isolated bacteria were identified by 16s rRNA gene amplification and subjected to series of in vitro tests to find out their probiotic potential. A total of 2345 col...

Background and Objectives Falafel is one of the most popular artisanal foods in Iran, especially in Khouzestan province. However, no comprehensive study has been performed to evaluate its microbiological and chemical properties. This study aims to evaluate microbiological and chemical properties of falafel samples collected from street food market...

With population growth and the increasing human demand for crops, chemical insecticides have been used to reduce pests. Due to the adverse effects of these chemicals on the environment and health, several studies have investigated alternatives such as natural insecticides derived from essential oils or plant extracts. This review article was provid...

The present study aimed to evaluate the physicochemical properties (refractive index, acid value, peroxide value, conjugated dienes, Fatty acid composition) and level of aflatoxins (AFB1, AFB2, AFG1, and AFG2) in the sesame oils (cold press) consumed in Iran. In total, 30 sesame oil samples were collected from factories (n=20; industrial) and tradi...

The present study was conducted to evaluate the lipid and protein oxidation responses of cold stored turkey meat using chitosan‐contained nanoemulsions supplemented with the essential oils of two aromatic plants including Zataria multiflora Boiss and Bunium persicum Boiss. Chemical traits such as total volatile basic nitrogen (TVB‐N), peroxide valu...

: Food spoilage is one of the major elements of food insecurity that has acquired significant attention over recent decades due to global human population growth. Several studies have investigated increasing shelf life of food products using natural and environmentally friendly compounds. Whey protein (WP) can be an important additive material beca...

Foodborne parasites in raw vegetables could cause parasitic infections in humans. An effective approach to the reduction of pathogenic microorganisms in vegetables involves identifying the main sources of contamination and the ecology of the involved microorganisms. This review aimed to evaluate the prevalence of foodborne parasites in raw vegetabl...

Background and Objectives: Breast milk composition is affected by several factors such as maternal diet and body mass index. Milk fats include a major calorie content of the milk, which changes dramatically throughout the lactation. The aim of the present study was to assess breast milk fatty acid profile in overweight and obese mothers and its cor...

Kefir is a fermented beverage obtained as a result of through lactic-alcoholic fermentation of milk by using kefir grains or a starter culture. Kefir beverage has numerous health benefits owing to its antimicrobial, anti-inflammatory and anti‐diabetic properties, while it could also regulate the gut microbiota. This beverage is recommended as a nut...

This study aimed to assess the effects of edible gelatin nanogel coating containing thymol and nisin on the inhibition of microbial flora and inoculated Listeria monocytogenes in fish fillets during a 12‐day storage period at the temperature of 4°C. Data were collected and analysed on several factors of microbiological change, including total viabl...

Kefir is produced through the fermentation of milk using kefir grain as a starter culture. Kefir grains include heterogeneous microorganisms embedded in a polysaccharide matrix called kefiran which is considered a biofilm, it also has many uses due to its therapeutic values. Kefiran is a microbial exopolysaccharide (EPS) obtained from the flora (ac...

Background Nitrate and nitrite can get into the body through the consumption of contaminated water either directly or indirectly. The accumulation of these compounds in the body, in the long run, leads to health problems, for example, digestive disorders, cancers, and even death threats in children. The aim of this review is to investigate nitrate...

Meat products, such as fish meat, are known to be susceptible to undesirable chemical and microbial reactions that characterize spoilage. In this study, the effect of a sodium alginate and chitosan coating incorporated with Mentha piperita, Artemisia dracunculus, and Zataria multiflora essential oils on chemical and microbial attributes of rainbow...

X-ray is a non-thermal technology that has shown good efficacy in reducing pathogenic and spoilage bacteria, viruses and parasite. X-ray hygiene technology resulted in a high microbial loss on numerous food products, such as dairy products, ready-to-eat shrimp, oysters, fresh products; strawberries, shredded iceberg lettuce, and spinach leaves. Som...

This study was targeted to investigate the effect of chitosan-loaded nanoemulsion enriched with two types of essential oils on the microbial quality of turkey meat. To this end, the effects of essential oils of Zataria Multiflora Boiss (ZEO) and Bunium persicum Boiss (BEO) were evaluated at two concentrations (0.5% and 1% (w/v)) during 18 days of s...

In this study, the effect of edible coarse/nanoemulsions of alginate as coating containing Zataria multiflora Boiss essential oil (ZEO) on the microbial quality of fish fillets was investigated at three concentrations (i.e. 0.25%, 0.5% and 1% [w/v]) in 16 days of storage at 4°C. Moreover, a comparison was made between the fabricated coarse emulsion...

Purpose: The increase of bacterial resistance to common antibacterial agents is one of the major problems of health care systems and hospital infection control programs. In this study, antimicrobial activity of titanium dioxide (TiO2) and zinc oxide (ZnO) nanoparticles (NPs) was investigated against E. coli, Salmonella enteritidis, Listeria monocyt...

The present study aimed to control the spoilage of fish burger of common carp meat kept at refrigerated temperature (4 ± 2 °C) during 20 days storage using active biodegradable films containing lactoperoxidase system (LPS) or sage essential oil (SEO). Fish burgers were prepared from minced common carp meat and were wrapped in chitosan (CH), alginat...

The present study was conducted to evaluate the effectiveness of edible coating of Cinnamon Essential Oil (CEO) and Rosemary Essential Oil (REO) incorporated into alginate coating to maintain chemical and sensorial characteristics of chicken meat under refrigeration conditions. Firstly in vitro antioxidant activity of essential oils was evaluated....