Ultrasonic Cleaning of Conveyor Belt Materials Using Listeria monocytogenes as a Model Organism
Persistent Listeria monocytogenes contamination of food industry equipment is a difficult problem to solve. Ultrasonic cleaning offers new possibilities for cleaning conveyors and other equipment that are not easy to clean. Ultrasonic cleaning was tested on three conveyor belt materials: polypropyle...
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| Veröffentlicht in: | Journal of food protection 2007-03, Vol.70 (3), p.758-761 |
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| creator | Tolvanen, R Lunden, J Korkeala, H Wirtanen, G |
| description | Persistent Listeria monocytogenes contamination of food industry equipment is a difficult problem to solve. Ultrasonic cleaning offers new possibilities for cleaning conveyors and other equipment that are not easy to clean. Ultrasonic cleaning was tested on three conveyor belt materials: polypropylene, acetal, and stainless steel (cold-rolled, AISI 304). Cleaning efficiency was tested at two temperatures (30 and 45 degrees C) and two cleaning times (30 and 60 s) with two cleaning detergents (KOH, and NaOH combined with KOH). Conveyor belt materials were soiled with milk-based soil and L. monocytogenes strains V1, V3, and B9, and then incubated for 72 h to attach bacteria to surfaces. Ultrasonic cleaning treatments reduced L. monocytogenes counts on stainless steel 4.61 to 5.90 log units; on acetal, 3.37 to 5.55 log units; and on polypropylene, 2.31 to 4.40 log units. The logarithmic reduction differences were statistically analyzed by analysis of variance using Statistical Package for the Social Sciences software. The logarithmic reduction was significantly greater in stainless steel than in plastic materials (P < 0.001 for polypropylene, P = 0.023 for acetal). Higher temperatures enhanced the cleaning efficiency in tested materials. No significant difference occurred between cleaning times. The logarithmic reduction was significantly higher (P = 0.013) in cleaning treatments with potassium hydroxide detergent. In this study, ultrasonic cleaning was efficient for cleaning conveyor belt materials. |
| doi_str_mv | 10.4315/0362-028X-70.3.758 |
| format | Article |
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Ultrasonic cleaning offers new possibilities for cleaning conveyors and other equipment that are not easy to clean. Ultrasonic cleaning was tested on three conveyor belt materials: polypropylene, acetal, and stainless steel (cold-rolled, AISI 304). Cleaning efficiency was tested at two temperatures (30 and 45 degrees C) and two cleaning times (30 and 60 s) with two cleaning detergents (KOH, and NaOH combined with KOH). Conveyor belt materials were soiled with milk-based soil and L. monocytogenes strains V1, V3, and B9, and then incubated for 72 h to attach bacteria to surfaces. Ultrasonic cleaning treatments reduced L. monocytogenes counts on stainless steel 4.61 to 5.90 log units; on acetal, 3.37 to 5.55 log units; and on polypropylene, 2.31 to 4.40 log units. The logarithmic reduction differences were statistically analyzed by analysis of variance using Statistical Package for the Social Sciences software. The logarithmic reduction was significantly greater in stainless steel than in plastic materials (P < 0.001 for polypropylene, P = 0.023 for acetal). Higher temperatures enhanced the cleaning efficiency in tested materials. No significant difference occurred between cleaning times. The logarithmic reduction was significantly higher (P = 0.013) in cleaning treatments with potassium hydroxide detergent. In this study, ultrasonic cleaning was efficient for cleaning conveyor belt materials.</description><identifier>ISSN: 0362-028X</identifier><identifier>EISSN: 1944-9097</identifier><identifier>DOI: 10.4315/0362-028X-70.3.758</identifier><identifier>PMID: 17388072</identifier><identifier>CODEN: JFPRDR</identifier><language>eng</language><publisher>Des Moines, IA: International Association of Milk, Food and Environmental Sanitarians</publisher><subject>Acetals ; Analysis of Variance ; bacterial contamination ; belts (equipment) ; Biological and medical sciences ; cleaning ; Colony Count, Microbial ; Consumer Product Safety ; conveyors ; dairy industry ; Disinfectants - pharmacology ; Equipment Contamination - prevention & control ; food contamination ; Food Contamination - prevention & control ; Food industries ; Food Microbiology ; food pathogens ; food processing equipment ; food surfaces ; Food-Processing Industry - methods ; Food-Processing Industry - standards ; fouling ; Fundamental and applied biological sciences. Psychology ; General aspects ; Hygiene ; Hygiene and safety ; Listeria monocytogenes ; Listeria monocytogenes - growth & development ; milk ; Polypropylenes ; potassium hydroxide ; propylene ; sanitizing ; sodium hydroxide ; Stainless Steel ; Temperature ; Time Factors ; ultrasonic treatment ; Ultrasonics</subject><ispartof>Journal of food protection, 2007-03, Vol.70 (3), p.758-761</ispartof><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c430t-aa1094d4b593a89625224805b009196df64516d0e131f7397afec309de1487193</citedby><cites>FETCH-LOGICAL-c430t-aa1094d4b593a89625224805b009196df64516d0e131f7397afec309de1487193</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18598148$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17388072$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tolvanen, R</creatorcontrib><creatorcontrib>Lunden, J</creatorcontrib><creatorcontrib>Korkeala, H</creatorcontrib><creatorcontrib>Wirtanen, G</creatorcontrib><title>Ultrasonic Cleaning of Conveyor Belt Materials Using Listeria monocytogenes as a Model Organism</title><title>Journal of food protection</title><addtitle>J Food Prot</addtitle><description>Persistent Listeria monocytogenes contamination of food industry equipment is a difficult problem to solve. Ultrasonic cleaning offers new possibilities for cleaning conveyors and other equipment that are not easy to clean. Ultrasonic cleaning was tested on three conveyor belt materials: polypropylene, acetal, and stainless steel (cold-rolled, AISI 304). Cleaning efficiency was tested at two temperatures (30 and 45 degrees C) and two cleaning times (30 and 60 s) with two cleaning detergents (KOH, and NaOH combined with KOH). Conveyor belt materials were soiled with milk-based soil and L. monocytogenes strains V1, V3, and B9, and then incubated for 72 h to attach bacteria to surfaces. Ultrasonic cleaning treatments reduced L. monocytogenes counts on stainless steel 4.61 to 5.90 log units; on acetal, 3.37 to 5.55 log units; and on polypropylene, 2.31 to 4.40 log units. The logarithmic reduction differences were statistically analyzed by analysis of variance using Statistical Package for the Social Sciences software. The logarithmic reduction was significantly greater in stainless steel than in plastic materials (P < 0.001 for polypropylene, P = 0.023 for acetal). Higher temperatures enhanced the cleaning efficiency in tested materials. No significant difference occurred between cleaning times. The logarithmic reduction was significantly higher (P = 0.013) in cleaning treatments with potassium hydroxide detergent. In this study, ultrasonic cleaning was efficient for cleaning conveyor belt materials.</description><subject>Acetals</subject><subject>Analysis of Variance</subject><subject>bacterial contamination</subject><subject>belts (equipment)</subject><subject>Biological and medical sciences</subject><subject>cleaning</subject><subject>Colony Count, Microbial</subject><subject>Consumer Product Safety</subject><subject>conveyors</subject><subject>dairy industry</subject><subject>Disinfectants - pharmacology</subject><subject>Equipment Contamination - prevention & control</subject><subject>food contamination</subject><subject>Food Contamination - prevention & control</subject><subject>Food industries</subject><subject>Food Microbiology</subject><subject>food pathogens</subject><subject>food processing equipment</subject><subject>food surfaces</subject><subject>Food-Processing Industry - methods</subject><subject>Food-Processing Industry - standards</subject><subject>fouling</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Hygiene</subject><subject>Hygiene and safety</subject><subject>Listeria monocytogenes</subject><subject>Listeria monocytogenes - growth & development</subject><subject>milk</subject><subject>Polypropylenes</subject><subject>potassium hydroxide</subject><subject>propylene</subject><subject>sanitizing</subject><subject>sodium hydroxide</subject><subject>Stainless Steel</subject><subject>Temperature</subject><subject>Time Factors</subject><subject>ultrasonic treatment</subject><subject>Ultrasonics</subject><issn>0362-028X</issn><issn>1944-9097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpF0E1LwzAcBvAgipvTL-BBc9Fb5z8vbZKjDt9gYwcteAtZm5ZK22jSCfv2Zm44CATC73kID0KXBKackfQOWEYToPIjETBlU5HKIzQmivNEgRLHaPwPRugshE8AoIpmp2hEBJMSBB0jnbeDN8H1TYFnrTV909fYVXjm-h-7cR4_2HbACzNY35g24DxswbwJfw-4c70rNoOrbW8DNvHghStti5e-jl2hO0cnVczZi_09QfnT4_vsJZkvn19n9_Ok4AyGxBgCipd8lSpmpMpoSimXkK4AFFFZWWU8JVkJljBSCaaEqWzBQJWWcCmIYhN0u-v98u57bcOguyYUtm1Nb906aKKU5FLRCOkOFt6F4G2lv3zTGb_RBPR2Vr1dTW9X0wI003HWGLrat69XnS0Pkf2OEdzsgQmFaStv-qIJBydTJeNPo7veuco4bWofTf5GgTAAkWaSA_sFdNiIUw</recordid><startdate>20070301</startdate><enddate>20070301</enddate><creator>Tolvanen, R</creator><creator>Lunden, J</creator><creator>Korkeala, H</creator><creator>Wirtanen, G</creator><general>International Association of Milk, Food and Environmental Sanitarians</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20070301</creationdate><title>Ultrasonic Cleaning of Conveyor Belt Materials Using Listeria monocytogenes as a Model Organism</title><author>Tolvanen, R ; Lunden, J ; Korkeala, H ; Wirtanen, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c430t-aa1094d4b593a89625224805b009196df64516d0e131f7397afec309de1487193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Acetals</topic><topic>Analysis of Variance</topic><topic>bacterial contamination</topic><topic>belts (equipment)</topic><topic>Biological and medical sciences</topic><topic>cleaning</topic><topic>Colony Count, Microbial</topic><topic>Consumer Product Safety</topic><topic>conveyors</topic><topic>dairy industry</topic><topic>Disinfectants - pharmacology</topic><topic>Equipment Contamination - prevention & control</topic><topic>food contamination</topic><topic>Food Contamination - prevention & control</topic><topic>Food industries</topic><topic>Food Microbiology</topic><topic>food pathogens</topic><topic>food processing equipment</topic><topic>food surfaces</topic><topic>Food-Processing Industry - methods</topic><topic>Food-Processing Industry - standards</topic><topic>fouling</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Hygiene</topic><topic>Hygiene and safety</topic><topic>Listeria monocytogenes</topic><topic>Listeria monocytogenes - growth & development</topic><topic>milk</topic><topic>Polypropylenes</topic><topic>potassium hydroxide</topic><topic>propylene</topic><topic>sanitizing</topic><topic>sodium hydroxide</topic><topic>Stainless Steel</topic><topic>Temperature</topic><topic>Time Factors</topic><topic>ultrasonic treatment</topic><topic>Ultrasonics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tolvanen, R</creatorcontrib><creatorcontrib>Lunden, J</creatorcontrib><creatorcontrib>Korkeala, H</creatorcontrib><creatorcontrib>Wirtanen, G</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of food protection</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tolvanen, R</au><au>Lunden, J</au><au>Korkeala, H</au><au>Wirtanen, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrasonic Cleaning of Conveyor Belt Materials Using Listeria monocytogenes as a Model Organism</atitle><jtitle>Journal of food protection</jtitle><addtitle>J Food Prot</addtitle><date>2007-03-01</date><risdate>2007</risdate><volume>70</volume><issue>3</issue><spage>758</spage><epage>761</epage><pages>758-761</pages><issn>0362-028X</issn><eissn>1944-9097</eissn><coden>JFPRDR</coden><abstract>Persistent Listeria monocytogenes contamination of food industry equipment is a difficult problem to solve. Ultrasonic cleaning offers new possibilities for cleaning conveyors and other equipment that are not easy to clean. Ultrasonic cleaning was tested on three conveyor belt materials: polypropylene, acetal, and stainless steel (cold-rolled, AISI 304). Cleaning efficiency was tested at two temperatures (30 and 45 degrees C) and two cleaning times (30 and 60 s) with two cleaning detergents (KOH, and NaOH combined with KOH). Conveyor belt materials were soiled with milk-based soil and L. monocytogenes strains V1, V3, and B9, and then incubated for 72 h to attach bacteria to surfaces. Ultrasonic cleaning treatments reduced L. monocytogenes counts on stainless steel 4.61 to 5.90 log units; on acetal, 3.37 to 5.55 log units; and on polypropylene, 2.31 to 4.40 log units. The logarithmic reduction differences were statistically analyzed by analysis of variance using Statistical Package for the Social Sciences software. The logarithmic reduction was significantly greater in stainless steel than in plastic materials (P < 0.001 for polypropylene, P = 0.023 for acetal). Higher temperatures enhanced the cleaning efficiency in tested materials. No significant difference occurred between cleaning times. The logarithmic reduction was significantly higher (P = 0.013) in cleaning treatments with potassium hydroxide detergent. In this study, ultrasonic cleaning was efficient for cleaning conveyor belt materials.</abstract><cop>Des Moines, IA</cop><pub>International Association of Milk, Food and Environmental Sanitarians</pub><pmid>17388072</pmid><doi>10.4315/0362-028X-70.3.758</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of food protection, 2007-03, Vol.70 (3), p.758-761 |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Acetals Analysis of Variance bacterial contamination belts (equipment) Biological and medical sciences cleaning Colony Count, Microbial Consumer Product Safety conveyors dairy industry Disinfectants - pharmacology Equipment Contamination - prevention & control food contamination Food Contamination - prevention & control Food industries Food Microbiology food pathogens food processing equipment food surfaces Food-Processing Industry - methods Food-Processing Industry - standards fouling Fundamental and applied biological sciences. Psychology General aspects Hygiene Hygiene and safety Listeria monocytogenes Listeria monocytogenes - growth & development milk Polypropylenes potassium hydroxide propylene sanitizing sodium hydroxide Stainless Steel Temperature Time Factors ultrasonic treatment Ultrasonics |
| title | Ultrasonic Cleaning of Conveyor Belt Materials Using Listeria monocytogenes as a Model Organism |
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