Indicator microorganisms, Salmonella, Listeria monocytogenes, Staphylococcal enterotoxin, and physicochemical parameters in requeson cheese
نویسندگان
چکیده
منابع مشابه
Prevalence of Listeria monocytogenes in Idiazabal cheese.
INTRODUCTION Raw-milk cheese has been identified in risk assessment as a food of greater concern to public health due to listeriosis. OBJECTIVE To determine the prevalence and levels of Listeria monocytogenes in semi-hard Idiazabal cheese manufactured by different producers in the Basque Country at consumer level. METHODOLOGY A total of 51 Idiazabal cheese samples were obtained from 10 sepa...
متن کاملPurification and some physicochemical properties of staphylococcal enterotoxin E.
Enterotoxin E produced by Stu~hyZococcus aureus strain FRI (Food Research Institute)-326 was purified by cation exchange chromatography on carboxymethylcellulose, gel tiltration through superfine Sephadex G-75, and gel filtration in 6 M urea with superfine Sephadex G-75. The purified toxin appears to be nearly homogeneous by paper, starch gel, and polyacrylamide gel electrophoresis and double g...
متن کاملIdentification, purification, and some physicochemical properties of staphylococcal enterotoxin C3.
A third staphylococcal enterotoxin C (C3) has been identified, purified, and characterized. Staphylococcal enterotoxin C3 was identified from a Staphylococcus aureus isolated received from England. The purified toxin was determined by gel permeation chromatography and sodium dodecyl sulfate-polyacrylamide gel electrophoresis to be a simple protein with a molecular weight of 26,900. The isoelect...
متن کاملCase of Contamination by Listeria Monocytogenes in Mozzarella Cheese
Following a Listeria monocytogenes detection in a mozzarella cheese sampled at a dairy plant in Lazio Region, further investigations have been conducted both by the competent Authority and the food business operatordairy factory (as a part of dairy factory HACCP control). In total, 90 dairy products, 7 brine and 64 environmental samples have been tested. The prevalence of Listeria monocytogenes...
متن کاملSalmonella typhimurium and Listeria monocytogenes Growth Inhibition by Zataria multiflora Essential Oil in Ground Meat
Background: Zataria multiflora boiss is a member of Lamiaceae family with antibacterial, antifungal, and antioxidant activity. The aim of this study was to evaluate chemical composition and antibacterial effect of Zataria multiflora essential oil against two foodborne pathogens in meat. Methods: The inhibitory effect of Zataria multiflora essential oil (Minimum inhibitory concentration and Min...
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ژورنال
عنوان ژورنال: African Journal of Food Science
سال: 2016
ISSN: 1996-0794
DOI: 10.5897/ajfs2016.1473