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Towards a Lab-Scale Efficacy Test Method for the Evaluation of Hygienic Laundry Rinse-Stage Disinfectants

  • James Clarke , Lauren Oakes , Laura Miller , Phil Hindley , Paula McGeechan , Jordan Petkov and Dirk Bockmühl
Published/Copyright: September 5, 2018
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 55 Issue 5

Abstract

European domestic laundry habits are changing. Industry's move towards lower/ambient temperature washing and reduced water usage has resulted in lower degrees of microbial control leading to an increased risk to the health and wellbeing of the consumer. One solution targeted at mitigating this risk is the adoption of hygienic rinse-stage disinfectants to reduce the microorganisms in the laundry process. In this study, we evaluated the efficacy of two commercially-available quaternary ammonium compounds (QAC)-based rinse-stage disinfectants using both suspension test methodology and an application test in ASTM E2406 modified to offer a potential solution for the future testing and registration of such products in Europe. In addition, this paper paves the way for further development and validation of testing methodologies while exploring ways to better deploy and optimise antimicrobial actives within the laundry environment.

Kurzfassung

Die Änderung der europäischen Haushaltsgewohnheiten und die Umstellung der Industrie auf Waschen bei niedrigerer Temperatur und reduziertem Wasserverbrauch führen nachweislich zu einem geringeren Grad an mikrobiologischer Kontrolle, was zu einem erhöhten Risiko für die Gesundheit und für das Wohlbefinden der Verbraucher führen kann. Eine mögliche Lösung, die darauf abzielt, diese Probleme anzugehen, ist die Einführung von hygienischen Desinfektionsmitteln im Spülgang, um die Reduktion von Mikroorganismen im Waschprozess zu bewirken. In dieser Studie wurden die Wirksamkeit von zwei im Handel erhältlichen QAV-basierten Desinfektionsmitteln im Spülgang mithilfe von Suspensionstests als auch eines Anwendungstests nach ASTM E2406 untersucht, um eine mögliche Lösung für die zukünftige Prüfung und Registrierung solcher Produkte in Europa zu bieten. Darüber hinaus ebnet dieser Artikel den Weg für weitere Untersuchungen, um Testmethoden zu entwickeln und zu validieren und gleichzeitig Wege zu finden, antimikrobielle Wirkstoffe im Waschprozess besser einzusetzen und zu optimieren.

Key words: Laundry; efficacy; hygiene; quaternary ammonium compounds (QAC); ASTM E2406
Stichwörter: Wäsche; Wirksamkeit; Hygiene; Quaternäre Ammoniumverbindungen (QAC); ASTM E2406
*Correspondence address, Mr. James Clarke, Lonza Group Ltd., Consumer Care, Hexagon Tower, Crumpsall Vale Blackley, Manchester, M9 8GQ, United Kingdom, Tel.: 0044(0)7484053928, E-Mail:

James Clarke works as Microbiology Team Leader – Disinfection and Preservation, Lonza – Consumer Product Ingredients in Blackley, UK.

Lauren Oakes works as Microbiologist, Lonza – Consumer Product Ingredients in Blackley, UK.

Laura Miller works as Microbiologist, Lonza – Consumer Product Ingredients in Blackley, UK.

Phil Hindley works as head of Global Marketing Preservation and Laundry, Consumer Product Ingredients at Lonza – Consumer Product Ingredients in Blackley, UK.

Paula McGeechan works at Global Head of Application Development, Hygiene and Preservation, Lonza – Consumer Product Ingredients in Blackley, UK.

Jordan Petkov works as R&T Director at Lonza – Consumer Product Ingredients in Blackley, UK.

Dirk Bockmühl works as Professor for Hygiene and Microbiology at Rhine-Waal University of Applied Sciences in Kleve, Germany.

References

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Received: 2018-05-20
Accepted: 2018-06-26
Published Online: 2018-09-05
Published in Print: 2018-09-14

© 2018, Carl Hanser Publisher, Munich

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents/Inhalt
  3. Editorial
  4. Editorial
  5. Review Articles
  6. Developing an Evidence-Based Approach to Domestic Hygiene Which Protects Against Infection Whilst Also Addressing Sustainability Issues
  7. Honor Thy Lodgers? – Structure and Function of the Human Built Environment Microbiome
  8. Dishwasher
  9. Micrococcus luteus – An Alternative Test Germ for Testing the Hygienic Performance of Commercial Freshwater Dishwashers
  10. Development of a Test Method for Analyzing the Hygienic Performance of Commercial Dishwashers Operating on the Fresh Water Principle
  11. Microbial Reduction in Low Temperature Dishwashing Cycles
  12. Laundry
  13. Laundry Hygiene and Visible Cleanliness: An Attempt to Predict the Antimicrobial Efficacy of Laundering Processes by its Cleaning Performance
  14. Test Methods
  15. Test Method Dependent Efficacy of Antibacterial Textiles
  16. A New Approach for a Practical Assessment of Antimicrobial Surfaces Based on a Stamp Assay to Quantify Transfer Routes of Pathogens
  17. Towards a Lab-Scale Efficacy Test Method for the Evaluation of Hygienic Laundry Rinse-Stage Disinfectants
https://doi.org/10.3139/113.110584
Keywords for this article
Laundry; efficacy; hygiene; quaternary ammonium compounds (QAC); ASTM E2406

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents/Inhalt
  3. Editorial
  4. Editorial
  5. Review Articles
  6. Developing an Evidence-Based Approach to Domestic Hygiene Which Protects Against Infection Whilst Also Addressing Sustainability Issues
  7. Honor Thy Lodgers? – Structure and Function of the Human Built Environment Microbiome
  8. Dishwasher
  9. Micrococcus luteus – An Alternative Test Germ for Testing the Hygienic Performance of Commercial Freshwater Dishwashers
  10. Development of a Test Method for Analyzing the Hygienic Performance of Commercial Dishwashers Operating on the Fresh Water Principle
  11. Microbial Reduction in Low Temperature Dishwashing Cycles
  12. Laundry
  13. Laundry Hygiene and Visible Cleanliness: An Attempt to Predict the Antimicrobial Efficacy of Laundering Processes by its Cleaning Performance
  14. Test Methods
  15. Test Method Dependent Efficacy of Antibacterial Textiles
  16. A New Approach for a Practical Assessment of Antimicrobial Surfaces Based on a Stamp Assay to Quantify Transfer Routes of Pathogens
  17. Towards a Lab-Scale Efficacy Test Method for the Evaluation of Hygienic Laundry Rinse-Stage Disinfectants
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