Handbook of Hygiene Control in the Food Industry

34.1 Introduction Materials that retain few microorganisms after cleaning would be the hygienic choice, and would present the le ...

cleanability. Theaim of the test, for example whether to assess in-place cleanability of foodprocessing equipment (Anon,2003),or ...

encounteredin biofilms), probablynot activelymultiplyingat this solid±air interface due to lackof moistureand nutrient.The oppor ...

industries (Frankand Chmielewski, 1997;Fonnesbech Vogelet al., 2001); Salmonellaspp.in the poultryindustry (Goughand Dodds, 1998 ...

thanthe initialattachment. Factors that will enhance retentionwouldinclude attached cellsdryingontothe substratum,the presenceof ...

example, to remain (Freemanet al., 2002a). Thus this material tendsnot to be useddirectlyin foodapplications.Specialfinishes are ...

et al., 2001a).Surface cleanability has beenrelatedto other descriptors suchas the depthof inwardfacingdefects (Mettler and Carp ...

be compared.Cellswhichwereimmobilizedon features, evenif theywere smallerthancells, required an increased force(in nanoNewtons) ...

conveyprotection to the underlyingmaterials, are findinguse in a number of applications.Surfaces impregnatedwithbiocides are use ...

An in-usesurfacewillbe soiledwithorganic material as wellas micro- organisms:the removalof one component(organicsoil)wouldbe a p ...

34.4.2 Repeated soiling and cleaning In orderto monitorthe behaviour of organic soil and microorganismson surfaces subjected to ...

information, thus onlyproperties of the top nanometre/micrometrelayers will be detected. Furthermore, the expense and accessibil ...

The overallaim whenconsidering and improving test methodsfor surface cleanabilityis to use the information derivedfromthe develo ...

Association,paper6. BARNESBI, CASSARCA, HALABLABMA,PARKINSONNH, MILESRJ(1996),An in situ method for determiningbacterialsurvival ...

173±175. GIBSON H, TAYLORJH, HALLKE, HOLAHJT(1999),Surfaceand suspensiontesting:conflict or complementary',Int BiodegBiodet 20 , ...

WALKERJT, VERRANJ, BOYD RD, PERCIVAL S(2000),Microscopymethodsto investigate the structureof potablewaterbiofilms',MethEnz 333 , ...

35.1 Introduction This chapter aims to summarise and assess currently available monitoring techniques for the food and other rel ...

35.2 Background Fouling,cleaningand disinfectionhavea critical role in ensuringthe product quality and operational performanceof ...

the highdegree of assurance that the process is beingdelivered on a consistent basis. 35.3 Current approachesto monitoring Monit ...

flowrate withinthe pipe.The sensor mayalso providedata in real timeduring the processor retrospectivelyin the casewheresamples a ...