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Publikováno v:
Journal of Food Protection. 84:1965-1972
In-home or food service antimicrobial treatment options for fresh produce are limited. Hot water treatments for whole (unpeeled) produce have been proposed, but data to support this practice for onions are not available. Separate cocktails of rifampi
Publikováno v:
Journal of Food Protection. 83:1852-1862
The survival and virulence of Listeria monocytogenes was assessed during storage on three low-moisture foods (LMFs): chocolate liquor, corn flakes, and shelled, dry-roasted pistachios (water activity [aw] of 0.18, 0.27, and 0.20, respectively). The L
Publikováno v:
Journal of Food Protection. 80:1872-1876
During the processing and handling of commercial blue crab (Callinectes sapidus), Listeria monocytogenes can potentially contaminate cooked meat and grow to hazardous levels. To manage this risk, predictive models are useful tools for designing and i
Autor:
Dafne D. Rawles, Alpha A. Diallo, Robert F. Wittman, George J. Flick, Merle D. Pierson, Robert E. Croonenberghs
Publikováno v:
Journal of food protection. 58(11)
In this study, 126 samples of freshly cooked and picked blue crab ( Callinectes sapidus ) meat collected from different processing facilities were analyzed for the presence of Listeria spp. Thirteen samples (10%) were positive for Listeria , with 10
Publikováno v:
Journal of food protection. 58(9)
We evaluated the methods of direct plate count (DPC) on Modified Oxford agar and most probable number (MPN) using Fung-Yu tubes for the detection of natural contamination by Listeria spp. by examining 100 retail samples of raw meat (beef, lamb, pork;
Publikováno v:
Journal of food protection. 56(6)
Sterile whole milk and skim milk were inoculated with cultures of Yersinia enterocolitica (10 CFU/ml) and Listeria monocytogenes (15 CFU/ml) either separately or together and incubated at 4, 10, and 22°C. Unlike uninoculated control samples, growth
Publikováno v:
Journal of food protection. 55(5)
The effectiveness of pediocin AcH, a bacteriocin produced by Pediococcus acidilactici H, in reducing population levels and growth of Listeria monocytogenes strains and Listeria ivanovii in sterile ground beef, sausage mix, cottage cheese, ice cream,
Autor:
Frankie J. Schultz, Robert C. Benedict
Publikováno v:
Journal of food protection. 54(7)
Virulence of Listeria monocytogenes , a foodborne pathogen, has been attributed in humans to the presence of hemolysins and oxidative enzymes that permit entrance and survival in macrophages and intestinal cells. Levels of hemolysin, catalase, and ir
Autor:
Alfred R. Fain, William L. Brown, Jerry M. Carosella, Richard V. Lechowich, L. Michele Martin, Alice B. Moran, J. Eric Line
Publikováno v:
Journal of food protection. 54(10)
D-Values and z-values for Listeria monocytogenes strain Scott A were determined in lean (2.0% fat) and fatty (30.5%) ground beef inoculated with approximately 107cells/g. Inoculated ground meat was sealed in glass thermal death time tubes which were
Publikováno v:
Journal of food protection. 52(9)
Autoclaved samples of skim milk and deproteinated whey were fortified with 6 or 12% NaCl, inoculated with Listeria monocytogenes strains Scott A or California (CA), to contain ca. 1.0 × 103 cfu/ml (in the products with 6% salt) or ca. 5.0 × 103 cfu