Zobrazeno 1 - 10
of 64
pro vyhledávání: '"J.J. Jezeski"'
Publikováno v:
Journal of Food Processing and Preservation. 9:235-240
Skim milk fortified with 3.0% nonfat dry milk, heated by a conventional process (82C 20 min) and by ultra-high-temperature (UHT) processes (138C for 3 or 6 s), was inoculated with 0.5% each of Streptococcus thermophilus and Lactobacillus bulgaricus a
Publikováno v:
Journal of Dairy Science. 54:312-320
The influences of the initial bacterial count and heat treatment of raw whole milk and the initial pH of sterile reconstituted nonfat dry milk on growth and enterotoxin A production by Staphylococcus aureus were evaluated. In milk relatively free fro
Autor:
W.G. Mizuno, J.J. Jezeski
Publikováno v:
Journal of Dairy Science. 44:579-588
Summary C 14 -labeled substrates, including uniformly labeled glucose and citric acid, 1-5-labeled citric acid, and pyruvates labeled in three different positions were used to determine the source of carbon and mechanism of formation of acetoin by a
Publikováno v:
Journal of Dairy Science. 54:815-825
Enterotoxin A production by Staphylococcus aureus in Cheddar and Colby cheeses was determined by inoculating milk with different initial S. aureus populations and making cheese using normal and inhibited starter cultures. Detectable amounts of entero
Publikováno v:
Journal of Dairy Science. 37:711-716
Summary Two white mutants of Penicillium roqueforti have been compared with their parent strain in a series of cheese-making experiments. One of these mutants was found to be superior to the other. Comparative data on flavor, body, texture, appearanc
Publikováno v:
Journal of Milk and Food Technology. 33:395-399
The air in seven Minnesota turkey processing plants was analyzed microbiologically for total numbers of bacteria per cubic foot, number of coliform organisms per cubic foot, and the presence of salmonellae. Plant environmental samples, that is walls,
Publikováno v:
Journal of Dairy Science. 40:1250-1257
Summary A technique is described for preparing an acid whey which retains the agglutinating power of milk against bacterial antigens. Using this whey in a tube agglutination test, the heat-resistant characteristics of antibodies specific against S. p
Autor:
V.W. Greene, J.J. Jezeski
Publikováno v:
Journal of Dairy Science. 40:1053-1061
Summary 1.A study of starter responses in a series of fluid milks which had been subjected to heat treatments ranging from 62° C. for 30 minutes to 120° C. for 60 minutes revealed the following: (a)Gradual increases in severity of exposure resulted
Publikováno v:
Journal of Dairy Science. 42:816-823
Summary The following variables were studied from the standpoint of their effect on growth of staphylococci in condensed milk: (a) precondensing heat treatments, (b) milk solids concentrations, and (c) growth temperatures. Growth also was studied und
Publikováno v:
Journal of Dairy Science. 56:429-435
Staphylococcal enterotoxin A production in Blue, Brick, Mozzarella, and Swiss cheeses from milk inoculated with different initial Staphylococcus aureus populations was evaluated. Depending on the type of lactic starter and the strain of S. aureus , e