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Italian Journal of Food Safety

Denise Althaus, Claudio Zweifel, Roger Stephan
In a large-scale Swiss poultry abattoir, a microbiological process analysis of broiler carcasses was performed. At each selected process stage (scalding, plucking, evisceration, washing, and chilling), 90 carcasses from 30 flocks were sampled and examined for Campylobacter , Salmonella , Escherichia coli , Enterobacteriaceae, and extended-spectrum b-lactamases-producing Enterobacteriaceae. With regard to Campylobacter counts on carcasses, plucking tended to slightly increase the results (on average by 0.4 log CFU/g), whereas mean counts from plucked and chilled carcasses were comparable (3...
October 20, 2017: Italian Journal of Food Safety
Alessandro Graziano Mudadu, Giuseppa Lorenzoni, Anna Maria Bazzoni, Riccardo Bazzardi, Giuseppe Tedde, Igor Arras, Giovanna Sanna, Cinzia Santucciu, Edoardo Marongiu, Sebastiano Virgilio
This work reports the first communication relating to the presence of yessotoxins in Mytilus galloprovincialis from coastal mussel farms (Sardinia, western Mediterranean) detected during 2008 and 2013 through a monitoring programme. The paper emphasizes how the changes both in yessotoxin permitted limits and used methods, established by legislation, have influenced the interpretation of the obtained results. Consequently, the samples that resulted negative during 2008 would have been positive until August 2013 and negative from September 2013 up to now, and the samples that were positive in 2013 would have been positive in 2008 and negative nowadays, according to Regulation currently in force...
October 20, 2017: Italian Journal of Food Safety
Giorgio Smaldone, Raffaele Marrone, Giuseppe Palma, Paolo Sarnelli, Aniello Anastasio
The European Food Safety Authority stated that many traditional marinating and cold smoking methods are not sufficient to kill A. simplex and asked to evaluate alternative treatments for killing viable parasites in fishery . Baccalà is a well-liked traditional product. The aim of study was to evaluate the effectiveness of the salting process on the inactivation of nematodes of the genus Anisakis in naturally infected Baccalà fillets. N. 19 fillets, subjected to a dual salting process (brine and dry salting) were analyzed...
October 20, 2017: Italian Journal of Food Safety
Luca Grispoldi, Filippo Bertero, Serena Franceschini, Francesco Mastrosimone, Paola Sechi, Maria Francesca Iulietto, Margherita Ceccarelli, Beniamino Terzo Cenci-Goga
Ten Holstein Friesian calves were divided into two groups of five: one group was given prebiotics in their food, while the other group served as the control group. Every two weeks from birth up to 18 months, samples of feces were taken from the rectal ampulla to determine the concentration of E. coli . At each sampling session, three aliquots per sample were collected. The arithmetic mean was calculated and all values (converted into logs) were analysed with GraphPad InStat for analysis of variance, followed by the Tukey-Kramer test...
October 20, 2017: Italian Journal of Food Safety
Francesca Pedonese, Filippo Fratini, Luisa Pistelli, Federica Maria Porta, Pierluigi Di Ciccio, Roberto Fischetti, Barbara Turchi, Roberta Nuvoloni
Essential oils (EOs) are mixtures of secondary metabolites of plant origin with many useful properties, among which the antimicrobial activity is also of interest for the food industry. EOs can exert their antimicrobial potential both directly, in food products and active packaging, and indirectly, as sanitizing and anti-biofilm agents of food facility surfaces. Aim of this research was to evaluate the antimicrobial activity of four EOs (bergamot, cinnamon, manuka and thyme) against Pseudomonas fluorescens and Staphylococcus aureus isolated from milk and dairy products...
October 20, 2017: Italian Journal of Food Safety
Serena Altissimi, Maria Lucia Mercuri, Marisa Framboas, Mauro Tommasino, Stefania Pelli, Ferdinando Benedetti, Sara Di Bella, Naceur Haouet
In relation to consumer demand, crustaceans and cephalopods are sold as both fresh and defrosted. It is well known that total volatile basic nitrogen (TVB-N) and volatile amine values, especially, biogenic amines and biogenic amine index, are expression of freshness of fish products, but there is a lack of knowledge of their acceptability limits, for crustaceans and cephalopods. In order to assess these limits, real-time shelf life tests were carried out, relating the results of TVB-N, biogenic amines and BAI to the sensory evaluation of crustaceans and cuttlefishes, both fresh and defrosted...
October 20, 2017: Italian Journal of Food Safety
Claudia M Balzaretti, Katia Razzini, Silvia Ziviani, Sabrina Ratti, Vesna Milicevic, Luca M Chiesa, Sara Panseri, Marta Castrica
The purpose of this study was to elaborate a checklist with an inspection scoring system at national level in order to assess compliance with sanitary hygiene requirements of food services. The inspection scoring system was elaborated taking into account the guidelines drawn up by NYC Department of Food Safety and Mental Hygiene. Moreover the checklist was used simultaneously with the standard inspection protocol adopted by Servizio Igiene Alimenti Nutrizione ( Servizio Igiene Alimenti Nutrizione - Ss. I.A...
October 20, 2017: Italian Journal of Food Safety
Dino Miraglia, David Ranucci, Massimo Trabalza-Marinucci, Gabriele Acuti, Claudio Forte, Michela Codini, Rossana Roila, Raffaella Branciari
This study aimed at evaluating the effect of Oregano vulgaris extract supplementation of heavy pig diet on the microbiological, chemical-physical and sensory characteristics of Fabriano salami. Fabriano salamis were produced processing meat derived from pigs belonging to two dietary groups of 16 pigs each: CTRL group fed a commercial pelleted feed, and OR group fed the CTRL diet integrated with 0.2% of oregano extract. Ten salamis per group were collected at 0, 7, 20 and 45 days of ripening and analysed for total viable count, enumeration of Enterobacteriaceae , Enterococcus spp, coagulase negative and positive staphylococci, Lactobacillus spp...
October 20, 2017: Italian Journal of Food Safety
Erica Tirloni, Cristian Bernardi, Sandro Drago, Giuseppe Stampone, Francesco Pomilio, Patrizia Cattaneo, Simone Stella
Objective of the present study was to test the performances of a loop-mediated isothermal amplification (LAMP)-based method for the detection of Listeria monocytogenes , with particular focus on the dairy products. The specificity of the method was evaluated on 42 different Listeria spp. strains from collections, food and environmental samples. 100% (32 of 32) of the L. monocytogenes strains were correctly recognised, and none of other 10 Listeria spp. strains was misidentified. The sensitivity was evaluated on four L...
October 20, 2017: Italian Journal of Food Safety
Germana Giuggioli, Alberto Olivastri, Luca Pennisi, Domenico Paludi, Adriana Ianieri, Alberto Vergara
The use of game meat as a food source is currently a growing trend in our country. These products have strong and historic ties with cultural and culinary tradition, but are also appreciated for their sensory and nutritional characteristics. A major contributor to the supply of this type of product is hunting. Practiced since the dawn of time for survival, hunting has evolved into a recreational activity with substantial commercial interests. Of particular importance in this context is hunting of large ungulates...
October 20, 2017: Italian Journal of Food Safety
Hamidreza Tavakoli, Hossein Rastegar, Mahdi Taherian, Mohammad Samadi, Hossein Rostami
Nano packaging is currently one of the most important topics in food packaging technologies. The aim of the application of this technology in food packaging is increasing shelf life of foods by preventing internal and external corruption and microbial contaminations. Use of silver nanoparticles in food packaging has recently attracted much attention. The aim of this study was to investigate the effect of nano-silver packaging in increasing the shelf life packages of nuts in an In vitro model. In this experimental study, the effects of different nano-silver concentrations (0, 1, 2 and 3 percent) on biological and chemical properties of 432 samples of nuts including walnuts, hazelnuts, almonds and pistachios were evaluated during 0, 3, 6, 9, 12, 15, 18, 21 and 24 months...
October 20, 2017: Italian Journal of Food Safety
Patrizia Serratore, Emanuele Zavatta, Eleonora Fiocchi, Emanuele Serafini, Andrea Serraino, Federica Giacometti, Giorgia Bignami
V. vulnificus is a Gram-negative bacterium, commonly found in estuarine and coastal habitats, that can infect humans through seafood consumption or wound exposure. This study represents the first attempt to correlate the genotype of Vibrio vulnificus strains isolated in the north-western Adriatic Sea coastal area, with their antimicrobial susceptibility patterns. On the whole, 40 V. vulnificus strains, isolated from shellfish (n=20), different coastal water bodies (n=19), and the blood of a Carretta carretta turtle (n=1), were utilized...
October 20, 2017: Italian Journal of Food Safety
Adele Repossi, Elisa Zironi, Teresa Gazzotti, Andrea Serraino, Giampiero Pagliuca
Vitamin B12 (cobalamin) is a metal complex composed of a central cobalt ion bonded to six ligands. It is essential for major biological functions such as protein, fat and carbohydrate metabolism, the maintenance of the central nervous system, and the formation of red blood cells. Since mammals cannot synthesize cobalamin, dietary intake represents the only natural source for humans. Dairy products can provide significant levels of cobalamin; moreover, the European Food Safety Authority (EFSA) panel has set the recommended intake at 4 μg/day for adults...
October 20, 2017: Italian Journal of Food Safety
Bhanoo Saulick, Vishwakalyan Bhoyroo, Nadeem Nazurally, Bhanooduth Lalljee
Concentrations of heavy metals arsenic, cadmium, lead and mercury and trace elements chromium, copper, nickel and zinc were tested in the muscle tissue of four commercial edible lethrinids fish species from different region of Mauritius. Sky emperor ( Lethrinus mahsena ) was collected from coastal regions as well as offshore regions (banks) for this study. Blackspot emperor ( Lethrinus harak ) and spangled emperor ( Lethrinus nebulosus ) were also studied for their popularity in the fish market. Condition factor was calculated for each fish and the highest value obtained was in Lethrinus mahsena collected from offshore regions (2...
October 20, 2017: Italian Journal of Food Safety
Diletta Mandato, Germana Colarusso, Roberta Pellicanò, Loredana Baldi, Achille Guarino, Paolo Sarnelli
Due to EU law, European citizens enjoy one of the highest worldwide food safety standards. Along the entire food supply chain, mandatory controls are made to ensure that plant and animal products healthiness and food and feed safety are properly labeled and comply with the strictly EU rules. The process of review of European legislation began with the promulgation of the Regulation 178/2002/EC (Official Journal of the EC no. L31 of 01/02/2002) and was completed with the hygiene package . Regulation No. 178/2002/EC (the General Food Law) laying down the general principles and requirements of food law, establishing the European Food Safety Authority and laying down procedures in matters of food safety ...
October 20, 2017: Italian Journal of Food Safety
Fausto Scoppetta, Marco Sensi, Maria Pia Franciosini, Marinella Capuccella
Antibiotic use in food-producing animals has considerable impact on public health, especially with respect to the development and spread of antibiotic resistance. Pigs represent one of the main species in which antibiotics are frequently used for different purposes. Surveillance of antibiotic consumption and dose appropriateness, through novel approaches based on defined daily doses , is strongly needed to assess farms' antibiotic risk, in terms of spread of antibiotic resistance and possibile presence of residues in meat...
August 16, 2017: Italian Journal of Food Safety
Angela M I Montone, Alessandra De Felice, Roberta Brunetti, Domenico Mollica, Salvatore Capo, Federico Capuano, Achille Guarino, Donatella Nava
Fresh ricotta (whey cheese), owing to its technological characteristics and intrinsic parameters (pH and aw ), is an excellent substrate for the growth of spoilage and pathogenic microorganisms. On 19 July 2010, Campania buffalo ricotta cheese was assigned to the register of Protected Designations of Origin (PDO) by the European Commission, with EC Reg. 634/2010. It is mainly produced in the provinces of Caserta and Salerno around the rivers Garigliano and Volturno, the plain of the river Sele and the area of Cilento...
August 16, 2017: Italian Journal of Food Safety
Edmondo Ceci, Patrizia Marchetti, Giorgio Samoilis, Stefano Sportelli, Rocco Roma, Roberta Barrasso, Giuseppina Tantillo, Giancarlo Bozzo
The plasmatic cortisol levels of 60 eight-month-old calves ( Charolais breed) were measured as stress indicators resulting from two types of slaughter: traditional and religious rite. The plasmatic cortisol levels were evaluated during three different stages of their productive life: during growth, after transport and during slaughter. The thirty calves slaughtered after stunning showed plasmatic cortisol values of 4.85±3.2; 36.36±12.2 and 45.08±14.1 nmol/L, during growth, in the slaughterhouse stables and during exsanguination, respectively...
August 16, 2017: Italian Journal of Food Safety
Elisa Massella, Silvia Piva, Federica Giacometti, Gaetano Liuzzo, Angelo Vittorio Zambrini, Andrea Serraino
Bovine beta casein A1 is one of the most common variants in dairy cattle breeds; it is considered a risk factor in milk intolerance and in other important human diseases, because of the bioactive peptide beta casomorphin-7 (BCM7) produced by raw or processed A1-milk, but not by A2-milk, during digestion. The aim of this study was to perform a cheap and rapid method to investigate beta casein polymorphism in copious animals. The study included 2 dairy farms with a totally of 1230 cows. Beta casein genotypes were estimated evaluating Exon 7 region of bovine beta casein gene (CSN2) by sequences analysis...
August 16, 2017: Italian Journal of Food Safety
Maria Serena Altissimi, Rossana Roila, Raffaella Branciari, Dino Miraglia, David Ranucci, Marisa Framboas, Naceur Haouet
Acrylamide dietary intakes from selected street foods in youth population are estimated. The intake evaluation was carried out by combining levels of acrylamide in food, analytically determined by high performance liquid chromatography, with individual consumption data recorded using a questionnaire applied to a group of 200 students aged 19 to 30. The mean value of acrylamide exposure was recorded to be 0.452 µg/kg bw/day, while the average intakes at 50th and 95th percentile were 0.350 µg/kg bw/day and 1...
August 16, 2017: Italian Journal of Food Safety
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