Document Detail

Cleaning and decontamination efficacy of wiping cloths and silver dihydrogen citrate on food contact surfaces.
MedLine Citation:
PMID:  22519296     Owner:  NLM     Status:  Publisher    
Aims:  To test efficacy of four wipe cloth types (cotton bar towel, non-woven, microfiber, and blended cellulose/cotton) with disinfectants either quaternary ammonia cleaning solution (QAC) or Silver Dihydrogen Citrate (SDC) in cleaning food contact surfaces. Methods:  Swab samples collected from untreated, cloth and cloth-disinfectant treated surfaces were subjected to hygiene monitoring using adenosine triphosphate (ATP) bioluminescence and aerobic total plate counting (TPC) assays. Results:  ATP measurements taken after wiping the surfaces showed poor cleaning by non-woven cloths (2.89 RLU/100 cm(2) ) than the microfiber (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 of 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:  Contamination of food contact surfaces need regular hygiene monitoring and this study could help to estimate and establish contamination thresholds for surfaces at public sector facilities and to base the effectiveness of cleaning methods. © 2012 University of Arkansas Journal of Applied Microbiology © 2012 The Society for Applied Microbiology.
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:  JOURNAL ARTICLE     Date:  2012-4-21
Journal Detail:
Title:  Journal of applied microbiology     Volume:  -     ISSN:  1365-2672     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706280     Medline TA:  J Appl Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012The Authors Journal of Applied Microbiology © 2012 The Society for Applied Microbiology.
Center for Food Safety and Department of Food Science, University of Arkansas, Fayetteville, AR, 72704, USA Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR, 72701, USA.
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