1. In vivo and in vitro effects of selected antioxidants on rabbit meat microbiota
- Author
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Attilio Mordenti, Sabrina Albonetti, Carlo Trivisano, Gian Marco Baranzoni, Fedele Pasquale Greco, Anna Badiani, Fabiana Savigni, Paola Minardi, Fabiana Trombetti, Albonetti, Sabrina, Minardi, Paola, Trombetti, Fabiana, Savigni, Fabiana, Mordenti, Attilio Luigi, Baranzoni, Gian Marco, Trivisano, Carlo, Greco, Fedele Pasquale, and Badiani, Anna
- Subjects
0301 basic medicine ,Salmonella ,Meat ,Meat safety ,medicine.medical_treatment ,Staphylococcus ,030106 microbiology ,Food Contamination ,Challenge test ,medicine.disease_cause ,Ethanol (PubChem CID: 702) ,Antioxidants ,Microbiology ,03 medical and health sciences ,Listeria monocytogenes ,Enterobacteriaceae ,medicine ,Escherichia coli ,Food Quality ,Food microbiology ,Animals ,Vitamin E ,Listeria monocytogene ,biology ,Microbiota ,Pseudomonas ,0402 animal and dairy science ,Pathogenic bacteria ,04 agricultural and veterinary sciences ,biology.organism_classification ,040201 dairy & animal science ,Anti-Bacterial Agents ,Diet ,Bacteria, Aerobic ,Taste ,Dietary Supplements ,Pseudomonas aeruginosa ,dl-α-Tocopherol acetate (PubChem CID: 86472) ,Food Microbiology ,Rabbit meat microbiota ,Rabbits ,Antioxidant ,Bacteria ,Food Science - Abstract
The purpose of this study was to investigate the effect of dietary vitamin E or EconomasE™ supplementation on the growth of several background/pathogenic bacteria on rabbit carcasses and hamburgers during refrigerated storage. For 51days, 270 New Zealand rabbits received either a basal diet, or experimental diets enriched with 100 or 200mg/kg of vitamin E or EconomasE™. The bacteria studied were Salmonella, Listeria monocytogenes, Pseudomonas, Enterobacteriaceae, Escherichia coli, coagulase-positive staphylococci, plus both mesophilic and psychrotrophic aerobes. The growth of Listeria monocytogenes on contaminated patties was evaluated through a challenge test. The potential protective or antimicrobial effect of vitamin E or EconomasE™ on Listeria monocytogenes or Pseudomonas aeruginosa was assessed in vitro. Diet did not influence the concentrations of bacteria found on rabbit carcasses and developing on hamburgers. Vitamin E (in vivo and in vitro) and EconomasE™ in vivo had a protective antioxidant role, while EconomasE™ in vitro had strong antibacterial activity against Listeria monocytogenes, but not against Pseudomonas aeruginosa.
- Published
- 2015