Document Detail

Cleaning and decontamination efficacy of wiping cloths and silver dihydrogen citrate on food contact surfaces.
MedLine Citation:
PMID:  22519296     Owner:  NLM     Status:  MEDLINE    
AIMS:   To test the efficacy of four wipe cloth types (cotton bar towel, nonwoven, microfibre and blended cellulose/cotton) with either quaternary ammonia cleaning solution or silver dihydrogen citrate (SDC) in cleaning food contact surfaces.
METHODS:   Swab samples collected from untreated, cloth-treated and cloth disinfectant-treated surfaces were subjected to hygiene monitoring using adenosine triphosphate (ATP) bioluminescence and aerobic total plate counting (TPC) assays.
RESULTS:   Adenosine triphosphate measurements taken after wiping the surfaces showed poor cleaning by nonwoven cloths (2·89 RLU 100 cm(-2) ) than the microfibre (2·30 RLU 100 cm(-2) ), cotton terry bar (2·26 RLU 100 cm(-2) ) and blended cellulose/cotton cloth types (2·20 RLU 100 cm(-2) ). The cellulose/cotton cloth showed highest log reduction in ATP-B RLU values (95%) and CFU values (98·03%) when used in combination with SDC disinfectant.
CONCLUSIONS:   Cleaning effect of wiping cloths on food contact surfaces can be enhanced by dipping them in SDC disinfectant. ATP-B measurements can be used for real-time hygiene monitoring in public sector, and testing microbial contamination provides more reliable measure of cleanliness.
SIGNIFICANCE AND IMPACT OF THE STUDY:   Contaminated food contact surfaces need regular hygiene monitoring. This study could help to estimate and establish contamination thresholds for surfaces at public sector facilities and to base the effectiveness of cleaning methods.
S M Masuku; D Babu; E M Martin; O K Koo; C A O'Bryan; P G Crandall; S C Ricke
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-05-10
Journal Detail:
Title:  Journal of applied microbiology     Volume:  113     ISSN:  1365-2672     ISO Abbreviation:  J. Appl. Microbiol.     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-06-14     Completed Date:  2013-02-05     Revised Date:  2014-07-31    
Medline Journal Info:
Nlm Unique ID:  9706280     Medline TA:  J Appl Microbiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  89-95     Citation Subset:  IM    
Copyright Information:
© 2012 The Authors. Journal of Applied Microbiology © 2012 The Society for Applied Microbiology.
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MeSH Terms
Citrates / chemistry
Colony Count, Microbial
Decontamination / methods*
Disinfectants / chemistry*
Food Contamination / prevention & control
Food Industry*
Food Microbiology
Quaternary Ammonium Compounds / chemistry
Silver Compounds / chemistry*
Reg. No./Substance:
0/Citrates; 0/Disinfectants; 0/Quaternary Ammonium Compounds; 0/Silver Compounds

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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