Zobrazeno 1 - 10
of 25
pro vyhledávání: '"U Purvis"'
Publikováno v:
Journal of food protection. 43(5)
Refrigeration (4 C) of non-selective and selective enrichment broth cultures for 72 h did not markedly affect detection of Salmonella in 160 contaminated high and low moisture foods. Detection in refrigerated preenrichment (non-selective) broth cultu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ec9a8244dd6ce6c5af644c1c93bd102
https://pubmed.ncbi.nlm.nih.gov/30822867
https://pubmed.ncbi.nlm.nih.gov/30822867
Autor:
A Zebchuk, B Wheeler, D West, J Vinet, Y Trottier, W Saint, U Purvis, P Pugh, M Perlette, J Oggle, B Molleken, S McDonagh, R Massicotte, D LaFreniere, B Kupskay, G Krohn, J Kerwood, P Heidebrecht, M Gray, G Gover, L Gour, E Gibson, C Fox, R Foster, S Dzogan, S Durzi, J Drummond, W Downey, D Douey, T Davis, R Coulter, A Cooper, C Coignaud, J Cavadini, K Catherwood, F Brocklehurst, B Bowen, L Beaton, V Arling, P Allain, S Aldenrath, D Adamik, J Ackerl, Maria T Falbo-Nelson, Philip T Feldsine, Donald W Warburton
Publikováno v:
Journal of AOAC INTERNATIONAL. 78:59-68
A total of 19 government and private industry laboratories in Canada and the United States participated in the collaborative study. Naturally contaminated ground poultry and animal meals, as well as inoculated raw shrimp, were examined for presence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d3402df0333afd2f30f604323bed343
https://doi.org/10.1093/jaoac/78.1.59
https://doi.org/10.1093/jaoac/78.1.59
Autor:
D. M. Burgener, D. R. Conley, A. Loit, P.I. Peterkin, A. N. Sharpe, S. Malcolm, U. Purvis, M. Milling, M. K. Rayman
Publikováno v:
Canadian Journal of Microbiology. 29:1247-1252
Five Health Protection Branch laboratories compared two membrane filter methods (the Anderson–Baird-Parker direct plating, and a hydrophobic grid-membrane filter method) against the most probable number procedure (MPN) for enumerating Escherichia c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12e3377afc4cb34e3dc3f239d85e2f71
https://doi.org/10.1139/m83-194
https://doi.org/10.1139/m83-194
Autor:
R. M. Coulter, M. Milling, U. Purvis, A. Loit, D. L. Collins-Thompson, I. E. Erdman, D. M. Burgener
Publikováno v:
Journal of Food Protection. 40:411-414
The Health Protection Branch, Health and Welfare Canada is considering proposals for microbiological standards for cheese. These proposals are based on a 2-year study (1974-1976) carried out by the Branch. The proposed standards per gram are: total c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9c1072d17690ad026b74ed72fb8d11c
https://doi.org/10.4315/0362-028x-40.6.411
https://doi.org/10.4315/0362-028x-40.6.411
Autor:
U. Purvis, S. Malcolm, D. R. Conley, P.I. Peterkin, G. Lachapelle, M. Milling, A. N. Sharpe, R. Foster
Publikováno v:
Food Microbiology. 6:79-84
A comparative study of the most probable number and the hydrophobic grid membrane filter methods for the recovery of total coliforms in foods was carried out by five Health Protection Branch laboratories. A total of 47 samples of food, consisting of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6ea13823b4ed9e2b4b0483277a323d0
https://doi.org/10.1016/s0740-0020(89)80040-1
https://doi.org/10.1016/s0740-0020(89)80040-1
Publikováno v:
International Journal of Food Microbiology. 5:157-163
Recent outbreaks of listeriosis associated with dairy products prompted a survey to determine the incidence of Listeria in domestic and imported cheeses and to assess the manufacturing practices of the Canadian cheese industry. A total of 374 samples
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b3dec1121716ab2dd409e29e624187d
https://doi.org/10.1016/0168-1605(87)90033-x
https://doi.org/10.1016/0168-1605(87)90033-x
Publikováno v:
Lancet (London, England). 1(7849)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::349c22d93c80258266d32249cf516cb7
https://pubmed.ncbi.nlm.nih.gov/4129748
https://pubmed.ncbi.nlm.nih.gov/4129748
Autor:
D.G. Till, U. Purvis, J. J. Devoyod, D. Kusch, G. A. Jarvis, M. K. Rayman, J. Lanier, R. J. Gilbert
Publikováno v:
Canadian journal of microbiology. 24(3)
An international comparative study, undertaken by six laboratories to assess the performance of four selective media commonly used for the enumeration of Staphylococcus aureus in foods, revealed that Baird-Parker agar performed most satisfactorily. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a9c1d32a048eeb878ffb48ce7c36de6
https://pubmed.ncbi.nlm.nih.gov/647479
https://pubmed.ncbi.nlm.nih.gov/647479
Publikováno v:
Canadian journal of microbiology. 33(1)
Four Regional Health Protection Branch laboratories each compared aerobic colony counts obtained after "stomaching" and blending, for a minimum of 10 samples in each of the seven food groups: dry pastas; chocolate and cocoa powders; frozen entrees (m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a22b7424d443fc12dfebac8a6aec3b7
https://pubmed.ncbi.nlm.nih.gov/3552165
https://pubmed.ncbi.nlm.nih.gov/3552165
Publikováno v:
The Lancet. 303:172-173
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13ae0c71fcb2dc24fc43a75d28044c33
https://doi.org/10.1016/s0140-6736(74)92471-4
https://doi.org/10.1016/s0140-6736(74)92471-4