Viorel Herman | University of Life Sciences "King Michael I" from Timisoara (original) (raw)

Papers by Viorel Herman

Research paper thumbnail of Antibiotic Sensitivity of Pathogenic Bacteria Associated with Subclinical Mastitis of Dairy Cows in the Poro Region of the Ivory Cost

European journal of nutrition & food safety, Dec 23, 2023

This work was carried out in collaboration among all authors. Author FHK designed and planned the... more This work was carried out in collaboration among all authors. Author FHK designed and planned the experiments, collected milk samples, treatment of cases and prepared the article. Author ASG contributed to the literature, and directed the article. Author AT helped in orientation in aspect processing, contribution to additional reference literature for the improvement of the article and final formatting. Author GBG designed and planned the experiments, contributed while providing in-depth analyzes of the cases. Author VH contributed to the direction of mastitis treatment for the cases. author AH contribution by carrying out analyzes in the laboratory. All authors read and approved the final manuscript.

Research paper thumbnail of Prevalence and Risk Factors of Subclinical Mastitis in Dairy Cows Farms in the Poro Region (Ivory Coast)

Research paper thumbnail of Antibiotic Sensitivity of Pathogenic Bacteria Associated with Subclinical Mastitis of Dairy Cows in the Poro Region of the Ivory Cost

This work was carried out in collaboration among all authors. Author FHK designed and planned the... more This work was carried out in collaboration among all authors. Author FHK designed and planned the experiments, collected milk samples, treatment of cases and prepared the article. Author ASG contributed to the literature, and directed the article. Author AT helped in orientation in aspect processing, contribution to additional reference literature for the improvement of the article and final formatting. Author GBG designed and planned the experiments, contributed while providing in-depth analyzes of the cases. Author VH contributed to the direction of mastitis treatment for the cases. author AH contribution by carrying out analyzes in the laboratory. All authors read and approved the final manuscript.

Research paper thumbnail of LS FMV LV(4) 2022 (1) (5) 83 90 (1)

Research paper thumbnail of Multiple Drug Resistant Streptococcus Strains—An Actual Problem in Pig Farms in Western Romania

Antibiotics, Mar 19, 2024

Research paper thumbnail of Ceremonie de decernare Doctor Honoris Causa

Medicamentul Veterinar, 2019

Research paper thumbnail of Antimicrobial Activity of Sempervivum tectorum L. Extract on Pathogenic Bacteria Isolated from Otitis Externa of Dogs

Veterinary Sciences

The present study investigated the antimicrobial activity, total phenolic content, and proanthocy... more The present study investigated the antimicrobial activity, total phenolic content, and proanthocyanidin concentration of ethanolic extracts from fresh leaves of Sempervivum tectorum L. The extracts were phytochemically analyzed and evaluated for antimicrobial activity. The broth microdilution method was used to assess antimicrobial activity against pathogenic bacteria isolated from ear swabs taken from dogs with otitis externa. Many compounds were present in the ethanolic aqueous extracts, which exhibited a broad spectrum of antimicrobial activity. They showed strong antibacterial activity against standard clinical Gram-positive strains such as S. aureus and Gram-negative strains such as P. aeruginosa. In our study, the obtained quantity of total phenolic compounds in the ethanol:water extract of leaves was 126.17 mg GAE/g. The proanthocyanidin concentration in the tested Sempervivum tectorum L. extracts was 15.39 mg PAC/g material. The high contents of total phenolics and proanthoc...

Research paper thumbnail of β-Lactamase Producing Escherichia coli Encoding blaCTX-M and blaCMY Genes in Chicken Carcasses from Egypt

Foods, Feb 1, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Natural Products/Bioactive Compounds as a Source of Anticancer Drugs

Cancers

Cancer is one of the major deadly diseases globally. The alarming rise in the mortality rate due ... more Cancer is one of the major deadly diseases globally. The alarming rise in the mortality rate due to this disease attracks attention towards discovering potent anticancer agents to overcome its mortality rate. The discovery of novel and effective anticancer agents from natural sources has been the main point of interest in pharmaceutical research because of attractive natural therapeutic agents with an immense chemical diversity in species of animals, plants, and microorganisms. More than 60% of contemporary anticancer drugs, in one form or another, have originated from natural sources. Plants and microbial species are chosen based on their composition, ecology, phytochemical, and ethnopharmacological properties. Plants and their derivatives have played a significant role in producing effective anticancer agents. Some plant derivatives include vincristine, vinblastine, irinotecan, topotecan, etoposide, podophyllotoxin, and paclitaxel. Based on their particular activity, a number of o...

Research paper thumbnail of Surveys on Pet-Reptile-Associated Multi-Drug-Resistant Salmonella spp. in the Timișoara Metropolitan Region—Western Romania

Antibiotics

The number of reptiles owned as pets has risen worldwide. Additionally, urban expansion has resul... more The number of reptiles owned as pets has risen worldwide. Additionally, urban expansion has resulted in more significant human encroachment and interactions with the habitats of captive reptiles. Between May and October 2022, 48 reptiles from pet shops and 69 from households were sampled in the Timișoara metropolitan area (western Romania). Three different sample types were collected from each reptile: oral cavity, skin, and cloacal swabs. Salmonella identification was based on ISO 6579-1:2017 (Annex D), a molecular testing method (invA gene target), and strains were serotyped in accordance with the Kauffman–White–Le-Minor technique; the antibiotic susceptibility was assessed according to Decision 2013/652. This study showed that 43.28% of the pet reptiles examined from households and pet shops carried Salmonella spp. All of the strains isolated presented resistance to at least one antibiotic, and 79.32% (23/29) were multi-drug-resistant strains, with the most frequently observed re...

Research paper thumbnail of Causes of Post-Mortem Carcass and Organ Condemnations and Economic Loss Assessment in a Cattle Slaughterhouse

Animals

The study was undertaken to investigate the main causes of carcass and organ condemnations, as we... more The study was undertaken to investigate the main causes of carcass and organ condemnations, as well as to estimate the financial losses suffered by a cattle slaughterhouse. In this regard, an active abattoir survey, based on standard post-mortem inspection procedures for meat, was conducted on 151,741 cattle, from January 2021 to December 2022. Overall, 13.27% (n = 20,125) of the carcasses expressed lesions or pathological conditions and, out of them, 1.15% (n = 1738) were totally confiscated, while another 12.12% (n = 18,387) were partially admitted for human consumption. In the case of organs, the general inspection data reveal that 12.28% (n = 18,630), 7.56% (n = 11,477), 1.89% (n = 2862), and 0.27% (n = 412) of the examined liver, lung, heart, and kidney specimens presented one or more types of abnormalities. In addition, regarding the types of specific pathological findings, dystrophies/anomalies (69.8%), circulatory disorders (40.6%), fecal contamination (60.9%), and suspected...

Research paper thumbnail of Green Synthesis of Gold Nanoflowers Using Rosmarinus officinalis and Helichrysum italicum Extracts: Comparative Studies of Their Antimicrobial and Antibiofilm Activities

Antibiotics

This study was concerned with the green synthesis of gold nanoflowers (AuNFs) using the bioactive... more This study was concerned with the green synthesis of gold nanoflowers (AuNFs) using the bioactive constituents of Rosmarinus officinalis (rosemary) and Helichrysum italicum (immortelle) extracts, as reducer and stabilizer agents along with the determination of their antibacterial and antibiofilm activity against E. coli, S. aureus, and S. epidermidis. The AuNFs were characterized using STEM, UV–Vis, DLS, ZETA, FESEM-EDX, and FTIR techniques. The antibacterial and antibiofilm activity of the AuNFs were evaluated by microdilution broth and microtiter plate (MTP) tests, respectively. STEM and DLS analysis confirmed the flower-like morphology of gold nanoparticle clusters of R. officinalis-AuNFs (R-AuNFs) and H. italicum-AuNFs (H-AuNFs) with a size of 20–130 nm and 15–90 nm, respectively. The MICs of R-AuNFs were found to be 40 µg/mL for E. coli and S. epidermidis and 160 µg/mL for S. aureus. The MICs of H-AuNFs against all bacterial strains were 20 µg/mL. All tested AuNFs exhibited a s...

Research paper thumbnail of Exploring the Function of Quorum Sensing Regulated Biofilms in Biological Wastewater Treatment: A Review

International Journal of Molecular Sciences

Quorum sensing (QS), a type of bacterial cell–cell communication, produces autoinducers which hel... more Quorum sensing (QS), a type of bacterial cell–cell communication, produces autoinducers which help in biofilm formation in response to cell population density. In this review, biofilm formation, the role of QS in biofilm formation and development with reference to biological wastewater treatment are discussed. Autoinducers, for example, acyl-homoserine lactones (AHLs), auto-inducing oligo-peptides (AIPs) and autoinducer 2, present in both Gram-negative and Gram-positive bacteria, with their mechanism, are also explained. Over the years, wastewater treatment (WWT) by QS-regulated biofilms and their optimization for WWT have gained much attention. This article gives a comprehensive review of QS regulation methods, QS enrichment methods and QS inhibition methods in biological waste treatment systems. Typical QS enrichment methods comprise adding QS molecules, adding QS accelerants and cultivating QS bacteria, while typical QS inhibition methods consist of additions of quorum quenching ...

Research paper thumbnail of Improvement of Microbial Quality, Physicochemical Properties, Fatty Acids Profile, and Shelf Life of Basa (Pangasius bocourti) Fillets during Chilling Storage Using Pepsin, Rosemary Oil, and Citric Acid

Foods

Meat discoloration, lipid oxidation, and undesirable texture are inevitable phenomena in basa fis... more Meat discoloration, lipid oxidation, and undesirable texture are inevitable phenomena in basa fish fillets during storage, which in turn limits their exportation as well as decreases consumer acceptability. In addition, increasing consumers’ requirements for high-quality, minimally processed, and ready-to-cook fish fillets with an extended shelf-life is a great challenge, particularly with lifestyle changes. Accordingly, this study aimed to improve the quality, lipid stability, fatty acid profile, and lipid nutritional quality indices (LNQI) of basa fish fillets during chilling storage at 4 °C for 15 days using pepsin enzyme (E, 0.1%), rosemary oil (R, 0.5%), citric acid (CA, 0.5%), and their combination (0.1% E + 0.5% R; 0.1% E + 0.5% CA; and 0.1% E + 0.5% R + 0.5% CA). Our results revealed that all treated samples exhibited a significant increase in protein content, a significant decrease in fat content, and a marked reduction in pH, total volatile base nitrogen (TVBN), thiobarbit...

Research paper thumbnail of Hazard Analysis and Critical Control Point (HACCP) Application to Dry-Cured Pastrami in Egyptian Pastrami Factories

Foods

The current study established a HACCP tactic for all hazards related to Egyptian dry-cured pastra... more The current study established a HACCP tactic for all hazards related to Egyptian dry-cured pastrami production. All types of hazards that could occur at each production step were depicted. The fabrication steps of pastrami were originally based on the processes and conclusions presented in two previous publications by members of the research team; thus, the current scientific paper is considered a completion of the two previous publications. All operations executed and products manufactured outside the pastrami factory were excluded. The HACCP system was only applied to dry-cured pastrami production stages from receiving frozen raw meat and non-meat ingredients until packaging and storing the final product. Four CCPs were detected and taken into account. The permissible critical limits of additives and non-meat ingredients were considered. Suitable corrective actions were arranged. Regular HACCP plan review, proper recording of detected CCPs and critical limits were necessary for va...

Research paper thumbnail of Characterisation of the Antimicrobial Behaviour of Escherichia Coli and Salmonella Spp. Strains Isolated from Pigs in the Western Part of Romania

International Multidisciplinary Scientific GeoConference SGEM .., Dec 27, 2022

Research paper thumbnail of Identification of plant extracts as potential alternative therapeutic means for dairy cows diagnosed with subclinical mastitis

Research paper thumbnail of Research on the Antimicrobial Effect of Allium Sativum Extract on Some Strains of Salmonella SPP Isolated from Dogs

International Multidisciplinary Scientific GeoConference SGEM .., Dec 27, 2022

Research paper thumbnail of Estimated Prevalence of Tuberculosis in Ruminants from Slaughterhouses in Constantine Province (Northeastern Algeria): A 10-Year Retrospective Survey (2011–2020)

Life

Tuberculosis (TB) is considered one of the most widespread and devastating zoonotic diseases in l... more Tuberculosis (TB) is considered one of the most widespread and devastating zoonotic diseases in low-income countries, with a cosmopolitan distribution. The aim of this 10-year retrospective survey (from 2011 to 2020) was to determine the frequency of bovine, ovine, and goat tuberculosis in different local slaughterhouses across Constantine Province, Algeria. The control of livestock carcasses was systematically performed by veterinarian inspectors, after each stage of the slaughter process. The routine abattoir inspection included the detection of visible abnormalities on different organs and lymph nodes. The overall prevalence of tuberculosis recorded in slaughtered animals was 0.83%, with the following distribution among species: 2.73% in cattle, 0.001% in sheep, and 0.0% in goats. During the study period, there was a strong correlation (R = 0.82) (p < 0.01) between tuberculosis occurrence and the number of slaughtered cattle. Fluctuations in monthly TB prevalence ranged from 2...

Research paper thumbnail of Piper nigrum Fruit Extract as an Antibiotic Resistance Reversal Agent in MDR Bacteria

Applied Sciences

Antibiotic resistance development and spread in clinical pathogens is an immense threat that has ... more Antibiotic resistance development and spread in clinical pathogens is an immense threat that has already outpaced the discovery and development of novel and more effective antibiotic drugs. Recently the focus has been shifted to medicinal plants as novel therapeutic options for reversing antibiotic resistance by targeting different resistance mechanisms. Piper nigrum is a plant that has the potential to reverse antibiotic resistance and increase the efficacy of the current drugs. In the present study, seven different antibiotics, clindamycin, gentamicin, levofloxacin, amikacin, tigecycline, imipenem, and tetracycline, were used against antibiotic-resistant Staphylococcus aureus and Salmonella typhi. Antibiotic resistance reversal analysis was tested by the AST disc method. Increased zones of inhibition of S. aureus by four antibiotics, clindamycin (9 mm), gentamicin (7 mm), levofloxacin (9 mm), and amikacin (9 mm) were recorded after using P. nigrum extract. In addition, the use of ...

Research paper thumbnail of Antibiotic Sensitivity of Pathogenic Bacteria Associated with Subclinical Mastitis of Dairy Cows in the Poro Region of the Ivory Cost

European journal of nutrition & food safety, Dec 23, 2023

This work was carried out in collaboration among all authors. Author FHK designed and planned the... more This work was carried out in collaboration among all authors. Author FHK designed and planned the experiments, collected milk samples, treatment of cases and prepared the article. Author ASG contributed to the literature, and directed the article. Author AT helped in orientation in aspect processing, contribution to additional reference literature for the improvement of the article and final formatting. Author GBG designed and planned the experiments, contributed while providing in-depth analyzes of the cases. Author VH contributed to the direction of mastitis treatment for the cases. author AH contribution by carrying out analyzes in the laboratory. All authors read and approved the final manuscript.

Research paper thumbnail of Prevalence and Risk Factors of Subclinical Mastitis in Dairy Cows Farms in the Poro Region (Ivory Coast)

Research paper thumbnail of Antibiotic Sensitivity of Pathogenic Bacteria Associated with Subclinical Mastitis of Dairy Cows in the Poro Region of the Ivory Cost

This work was carried out in collaboration among all authors. Author FHK designed and planned the... more This work was carried out in collaboration among all authors. Author FHK designed and planned the experiments, collected milk samples, treatment of cases and prepared the article. Author ASG contributed to the literature, and directed the article. Author AT helped in orientation in aspect processing, contribution to additional reference literature for the improvement of the article and final formatting. Author GBG designed and planned the experiments, contributed while providing in-depth analyzes of the cases. Author VH contributed to the direction of mastitis treatment for the cases. author AH contribution by carrying out analyzes in the laboratory. All authors read and approved the final manuscript.

Research paper thumbnail of LS FMV LV(4) 2022 (1) (5) 83 90 (1)

Research paper thumbnail of Multiple Drug Resistant Streptococcus Strains—An Actual Problem in Pig Farms in Western Romania

Antibiotics, Mar 19, 2024

Research paper thumbnail of Ceremonie de decernare Doctor Honoris Causa

Medicamentul Veterinar, 2019

Research paper thumbnail of Antimicrobial Activity of Sempervivum tectorum L. Extract on Pathogenic Bacteria Isolated from Otitis Externa of Dogs

Veterinary Sciences

The present study investigated the antimicrobial activity, total phenolic content, and proanthocy... more The present study investigated the antimicrobial activity, total phenolic content, and proanthocyanidin concentration of ethanolic extracts from fresh leaves of Sempervivum tectorum L. The extracts were phytochemically analyzed and evaluated for antimicrobial activity. The broth microdilution method was used to assess antimicrobial activity against pathogenic bacteria isolated from ear swabs taken from dogs with otitis externa. Many compounds were present in the ethanolic aqueous extracts, which exhibited a broad spectrum of antimicrobial activity. They showed strong antibacterial activity against standard clinical Gram-positive strains such as S. aureus and Gram-negative strains such as P. aeruginosa. In our study, the obtained quantity of total phenolic compounds in the ethanol:water extract of leaves was 126.17 mg GAE/g. The proanthocyanidin concentration in the tested Sempervivum tectorum L. extracts was 15.39 mg PAC/g material. The high contents of total phenolics and proanthoc...

Research paper thumbnail of β-Lactamase Producing Escherichia coli Encoding blaCTX-M and blaCMY Genes in Chicken Carcasses from Egypt

Foods, Feb 1, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Natural Products/Bioactive Compounds as a Source of Anticancer Drugs

Cancers

Cancer is one of the major deadly diseases globally. The alarming rise in the mortality rate due ... more Cancer is one of the major deadly diseases globally. The alarming rise in the mortality rate due to this disease attracks attention towards discovering potent anticancer agents to overcome its mortality rate. The discovery of novel and effective anticancer agents from natural sources has been the main point of interest in pharmaceutical research because of attractive natural therapeutic agents with an immense chemical diversity in species of animals, plants, and microorganisms. More than 60% of contemporary anticancer drugs, in one form or another, have originated from natural sources. Plants and microbial species are chosen based on their composition, ecology, phytochemical, and ethnopharmacological properties. Plants and their derivatives have played a significant role in producing effective anticancer agents. Some plant derivatives include vincristine, vinblastine, irinotecan, topotecan, etoposide, podophyllotoxin, and paclitaxel. Based on their particular activity, a number of o...

Research paper thumbnail of Surveys on Pet-Reptile-Associated Multi-Drug-Resistant Salmonella spp. in the Timișoara Metropolitan Region—Western Romania

Antibiotics

The number of reptiles owned as pets has risen worldwide. Additionally, urban expansion has resul... more The number of reptiles owned as pets has risen worldwide. Additionally, urban expansion has resulted in more significant human encroachment and interactions with the habitats of captive reptiles. Between May and October 2022, 48 reptiles from pet shops and 69 from households were sampled in the Timișoara metropolitan area (western Romania). Three different sample types were collected from each reptile: oral cavity, skin, and cloacal swabs. Salmonella identification was based on ISO 6579-1:2017 (Annex D), a molecular testing method (invA gene target), and strains were serotyped in accordance with the Kauffman–White–Le-Minor technique; the antibiotic susceptibility was assessed according to Decision 2013/652. This study showed that 43.28% of the pet reptiles examined from households and pet shops carried Salmonella spp. All of the strains isolated presented resistance to at least one antibiotic, and 79.32% (23/29) were multi-drug-resistant strains, with the most frequently observed re...

Research paper thumbnail of Causes of Post-Mortem Carcass and Organ Condemnations and Economic Loss Assessment in a Cattle Slaughterhouse

Animals

The study was undertaken to investigate the main causes of carcass and organ condemnations, as we... more The study was undertaken to investigate the main causes of carcass and organ condemnations, as well as to estimate the financial losses suffered by a cattle slaughterhouse. In this regard, an active abattoir survey, based on standard post-mortem inspection procedures for meat, was conducted on 151,741 cattle, from January 2021 to December 2022. Overall, 13.27% (n = 20,125) of the carcasses expressed lesions or pathological conditions and, out of them, 1.15% (n = 1738) were totally confiscated, while another 12.12% (n = 18,387) were partially admitted for human consumption. In the case of organs, the general inspection data reveal that 12.28% (n = 18,630), 7.56% (n = 11,477), 1.89% (n = 2862), and 0.27% (n = 412) of the examined liver, lung, heart, and kidney specimens presented one or more types of abnormalities. In addition, regarding the types of specific pathological findings, dystrophies/anomalies (69.8%), circulatory disorders (40.6%), fecal contamination (60.9%), and suspected...

Research paper thumbnail of Green Synthesis of Gold Nanoflowers Using Rosmarinus officinalis and Helichrysum italicum Extracts: Comparative Studies of Their Antimicrobial and Antibiofilm Activities

Antibiotics

This study was concerned with the green synthesis of gold nanoflowers (AuNFs) using the bioactive... more This study was concerned with the green synthesis of gold nanoflowers (AuNFs) using the bioactive constituents of Rosmarinus officinalis (rosemary) and Helichrysum italicum (immortelle) extracts, as reducer and stabilizer agents along with the determination of their antibacterial and antibiofilm activity against E. coli, S. aureus, and S. epidermidis. The AuNFs were characterized using STEM, UV–Vis, DLS, ZETA, FESEM-EDX, and FTIR techniques. The antibacterial and antibiofilm activity of the AuNFs were evaluated by microdilution broth and microtiter plate (MTP) tests, respectively. STEM and DLS analysis confirmed the flower-like morphology of gold nanoparticle clusters of R. officinalis-AuNFs (R-AuNFs) and H. italicum-AuNFs (H-AuNFs) with a size of 20–130 nm and 15–90 nm, respectively. The MICs of R-AuNFs were found to be 40 µg/mL for E. coli and S. epidermidis and 160 µg/mL for S. aureus. The MICs of H-AuNFs against all bacterial strains were 20 µg/mL. All tested AuNFs exhibited a s...

Research paper thumbnail of Exploring the Function of Quorum Sensing Regulated Biofilms in Biological Wastewater Treatment: A Review

International Journal of Molecular Sciences

Quorum sensing (QS), a type of bacterial cell–cell communication, produces autoinducers which hel... more Quorum sensing (QS), a type of bacterial cell–cell communication, produces autoinducers which help in biofilm formation in response to cell population density. In this review, biofilm formation, the role of QS in biofilm formation and development with reference to biological wastewater treatment are discussed. Autoinducers, for example, acyl-homoserine lactones (AHLs), auto-inducing oligo-peptides (AIPs) and autoinducer 2, present in both Gram-negative and Gram-positive bacteria, with their mechanism, are also explained. Over the years, wastewater treatment (WWT) by QS-regulated biofilms and their optimization for WWT have gained much attention. This article gives a comprehensive review of QS regulation methods, QS enrichment methods and QS inhibition methods in biological waste treatment systems. Typical QS enrichment methods comprise adding QS molecules, adding QS accelerants and cultivating QS bacteria, while typical QS inhibition methods consist of additions of quorum quenching ...

Research paper thumbnail of Improvement of Microbial Quality, Physicochemical Properties, Fatty Acids Profile, and Shelf Life of Basa (Pangasius bocourti) Fillets during Chilling Storage Using Pepsin, Rosemary Oil, and Citric Acid

Foods

Meat discoloration, lipid oxidation, and undesirable texture are inevitable phenomena in basa fis... more Meat discoloration, lipid oxidation, and undesirable texture are inevitable phenomena in basa fish fillets during storage, which in turn limits their exportation as well as decreases consumer acceptability. In addition, increasing consumers’ requirements for high-quality, minimally processed, and ready-to-cook fish fillets with an extended shelf-life is a great challenge, particularly with lifestyle changes. Accordingly, this study aimed to improve the quality, lipid stability, fatty acid profile, and lipid nutritional quality indices (LNQI) of basa fish fillets during chilling storage at 4 °C for 15 days using pepsin enzyme (E, 0.1%), rosemary oil (R, 0.5%), citric acid (CA, 0.5%), and their combination (0.1% E + 0.5% R; 0.1% E + 0.5% CA; and 0.1% E + 0.5% R + 0.5% CA). Our results revealed that all treated samples exhibited a significant increase in protein content, a significant decrease in fat content, and a marked reduction in pH, total volatile base nitrogen (TVBN), thiobarbit...

Research paper thumbnail of Hazard Analysis and Critical Control Point (HACCP) Application to Dry-Cured Pastrami in Egyptian Pastrami Factories

Foods

The current study established a HACCP tactic for all hazards related to Egyptian dry-cured pastra... more The current study established a HACCP tactic for all hazards related to Egyptian dry-cured pastrami production. All types of hazards that could occur at each production step were depicted. The fabrication steps of pastrami were originally based on the processes and conclusions presented in two previous publications by members of the research team; thus, the current scientific paper is considered a completion of the two previous publications. All operations executed and products manufactured outside the pastrami factory were excluded. The HACCP system was only applied to dry-cured pastrami production stages from receiving frozen raw meat and non-meat ingredients until packaging and storing the final product. Four CCPs were detected and taken into account. The permissible critical limits of additives and non-meat ingredients were considered. Suitable corrective actions were arranged. Regular HACCP plan review, proper recording of detected CCPs and critical limits were necessary for va...

Research paper thumbnail of Characterisation of the Antimicrobial Behaviour of Escherichia Coli and Salmonella Spp. Strains Isolated from Pigs in the Western Part of Romania

International Multidisciplinary Scientific GeoConference SGEM .., Dec 27, 2022

Research paper thumbnail of Identification of plant extracts as potential alternative therapeutic means for dairy cows diagnosed with subclinical mastitis

Research paper thumbnail of Research on the Antimicrobial Effect of Allium Sativum Extract on Some Strains of Salmonella SPP Isolated from Dogs

International Multidisciplinary Scientific GeoConference SGEM .., Dec 27, 2022

Research paper thumbnail of Estimated Prevalence of Tuberculosis in Ruminants from Slaughterhouses in Constantine Province (Northeastern Algeria): A 10-Year Retrospective Survey (2011–2020)

Life

Tuberculosis (TB) is considered one of the most widespread and devastating zoonotic diseases in l... more Tuberculosis (TB) is considered one of the most widespread and devastating zoonotic diseases in low-income countries, with a cosmopolitan distribution. The aim of this 10-year retrospective survey (from 2011 to 2020) was to determine the frequency of bovine, ovine, and goat tuberculosis in different local slaughterhouses across Constantine Province, Algeria. The control of livestock carcasses was systematically performed by veterinarian inspectors, after each stage of the slaughter process. The routine abattoir inspection included the detection of visible abnormalities on different organs and lymph nodes. The overall prevalence of tuberculosis recorded in slaughtered animals was 0.83%, with the following distribution among species: 2.73% in cattle, 0.001% in sheep, and 0.0% in goats. During the study period, there was a strong correlation (R = 0.82) (p < 0.01) between tuberculosis occurrence and the number of slaughtered cattle. Fluctuations in monthly TB prevalence ranged from 2...

Research paper thumbnail of Piper nigrum Fruit Extract as an Antibiotic Resistance Reversal Agent in MDR Bacteria

Applied Sciences

Antibiotic resistance development and spread in clinical pathogens is an immense threat that has ... more Antibiotic resistance development and spread in clinical pathogens is an immense threat that has already outpaced the discovery and development of novel and more effective antibiotic drugs. Recently the focus has been shifted to medicinal plants as novel therapeutic options for reversing antibiotic resistance by targeting different resistance mechanisms. Piper nigrum is a plant that has the potential to reverse antibiotic resistance and increase the efficacy of the current drugs. In the present study, seven different antibiotics, clindamycin, gentamicin, levofloxacin, amikacin, tigecycline, imipenem, and tetracycline, were used against antibiotic-resistant Staphylococcus aureus and Salmonella typhi. Antibiotic resistance reversal analysis was tested by the AST disc method. Increased zones of inhibition of S. aureus by four antibiotics, clindamycin (9 mm), gentamicin (7 mm), levofloxacin (9 mm), and amikacin (9 mm) were recorded after using P. nigrum extract. In addition, the use of ...