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Imprint
Long-term exposition of bacteria to microbicides in sublethal concentrations
Project
Project code: BfR-BIOS-08-1322-621
Contract period: 01.04.2015
- 31.12.2015
Purpose of research: Basic research
Microbicides (subgroup of biocides that harm or kill microorganisms) are widely applied to minimize infection risks related to consumer products and to extend the life period of products. They are used for surface disinfection, are integrated in the product or are applied as antimicrobial surface coatings in order to inhibit surface colonization and microbial growth during production and product use. As antimicrobial additives they are used in various household products such as soaps, tooth paste, mouth rinse, cosmetics, textiles, toys, cutting boards and food packaging. Microbicides are often used in relatively low concentrations and display their microbicide or microbiostatic effects over long time periods. In private households microbicides are often not properly applied (e.g. too low concentrations, too short incubation times) and residues of chemicals remain on surfaces or are released diluted into the environment. Hence, microorganisms in various nishes may get in contact with sublethal concentrations of microbicides over long time periods. Little is known about the negative effects of this interplay with respect to the adaptation, selection and transmission of microbial pathogens. This project aims at a better understanding of the microbial risks related to the usage of microbicides in consumer products.
Section overview
Subjects
- Food microbiology
