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The precipitate structure of copper-based antibacterial and antiviral agents enhances their longevity for kitchen use
Health and Fitnessnpj Science of Food

The precipitate structure of copper-based antibacterial and antiviral agents enhances their longevity for kitchen use

T. Nishimura, M. Hashimoto, et al.

Discover how a new copper ion-based mixed solution has shown promising results as an antibacterial and antiviral agent for kitchen surfaces. This innovative research indicates that the unique scaly copper deposits contribute to its long-lasting efficacy and safety, conducted by authors Takashi Nishimura, Masami Hashimoto, Kageto Yamada, Ryuji Iwata, and Kazuhiro Tateda.... show more
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Abstract
The transmission of bacteria via cooking surfaces, handles, and infrequently cleaned cookware is a public health concern. This study evaluates a copper ion-based mixed solution (CBMS) containing only inorganic ions with controlled acidity as a new antibacterial and antiviral agent for kitchen and related environments. Structural analyses revealed strongly bonded scaly copper dispersion (SBSCD) precipitates, a few micrometres in size, formed on substrates after drying. The antibacterial copper components evolve over time after application, a mechanism linked to sustained antibacterial performance. CBMS demonstrated high safety for human use and was applicable to stainless steels used in kitchens and tables, exhibiting sustained antibacterial and antiviral effects over extended periods.
Publisher
npj Science of Food
Published On
Oct 25, 2024
Authors
Takashi Nishimura, Masami Hashimoto, Kageto Yamada, Ryuji Iwata, Kazuhiro Tateda
DOI
https://doi.org/10.1038/s41538-024-00324-4
Tags
copper ionantibacterial agentantiviral agentkitchen surfacessafetyefficacymicrometre-sized deposits
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