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Titolo:
ATTACHMENT OF LISTERIA-MONOCYTOGENES AND SALMONELLA-TYPHIMURIUM TO STAINLESS-STEEL AND BUNA-N IN THE PRESENCE OF MILK AND INDIVIDUAL MILK COMPONENTS
Autore:
HELKE DM; SOMERS EB; WONG ACL;
Indirizzi:
UNIV WISCONSIN,FOOD RES INST,DEPT FOOD MICROBIOL & TOXICOL,1925 WILLOW DR MADISON WI 53706 UNIV WISCONSIN,FOOD RES INST,DEPT FOOD MICROBIOL & TOXICOL,1925 WILLOW DR MADISON WI 53706
Titolo Testata:
Journal of food protection
fascicolo: 6, volume: 56, anno: 1993,
pagine: 479 - 484
SICI:
0362-028X(1993)56:6<479:AOLAST>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCANNING ELECTRON-MICROSCOPY; DAIRY EQUIPMENT SURFACES; BACTERIAL ATTACHMENT; CONTACT SURFACES; SOLID-SURFACES; PROTEINS; DESIGN; RUBBER; GLASS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
37
Recensione:
Indirizzi per estratti:
Citazione:
D.M. Helke et al., "ATTACHMENT OF LISTERIA-MONOCYTOGENES AND SALMONELLA-TYPHIMURIUM TO STAINLESS-STEEL AND BUNA-N IN THE PRESENCE OF MILK AND INDIVIDUAL MILK COMPONENTS", Journal of food protection, 56(6), 1993, pp. 479-484

Abstract

The effects of milk and individual milk components on the attachment of Listeria monocytogenes and Salmonella typhimurium to two commonly used materials in the dairy industry were studied. Attachment of both organisms to stainless steel and Buna-N was significantly inhibited by the presence of skim, 2%, whole, or chocolate 2% milk compared to the phosphate-buffered saline (PBS) control. The addition of individual milk components, casein, alpha-lactalbumin, and beta-lactoglobulin to the attachment menstruum significantly reduced attachment. Pretreating surfaces with milk and milk components for 1 h prior to attachment in PBS gave similar results. The presence of lactose did not affect attachment of either organism; however, attachment of S. typhimurium was significantly decreased on pretreated Buna-N. Cells of either organism pretreated with skim milk or beta-lactoglobulin prior to attachment in PBS showed significantly less attachment than untreated cells. Pretreating S. typhimurium cells with casein had no effect on attachment to stainless steel. Pretreatment of S. typhimurium with lactose increased attachment to both surfaces while pretreatment had no effect on L. monocytogenes. Attachment of both organisms was significantly reduced in diluted whole milk. Both organisms attached significantly less to surfaces soiled with one or more layers of whole milk.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/12/20 alle ore 11:20:21