Tree Species-Dependent Inactivation of Coronaviruses and Enteroviruses on Solid Wood Surfaces
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View abstract on PubMed
Summary
This summary is machine-generated.Certain wood surfaces, like pine and spruce, show rapid antiviral activity against enveloped viruses. This natural antiviral property is linked to wood
Area Of Science
- Wood Science
- Virology
- Materials Science
Background
- Viral transmission poses a significant global health challenge, necessitating sustainable control strategies.
- The antiviral potential of natural materials, particularly wood, remains largely unexplored.
- Previous research has not fully elucidated the mechanisms behind wood's antiviral properties.
Purpose Of The Study
- To investigate the antiviral efficacy of various wood types against enveloped and non-enveloped viruses.
- To correlate wood's chemical composition with its observed antiviral activity.
- To assess the impact of environmental factors and material modifications on wood's antiviral function.
Main Methods
- Evaluation of antiviral activity of coniferous (Scots pine, Norway spruce) and deciduous (oak) wood surfaces against coronaviruses and coxsackie virus A9.
- Testing efficacy across a range of humidity levels (20-90% RH) and temperatures (21°C, 37°C).
- Analysis of wood chemical composition (resin acids, terpenes, phenolics) and virus absorption characteristics.
Main Results
- Scots pine and Norway spruce exhibited rapid antiviral activity (10-15 min) against enveloped viruses.
- Oak demonstrated efficacy against enteroviruses, linked to its high phenolic content.
- Antiviral activity was consistent across humidity levels, with faster action at 37°C.
- Thermal treatment and wood-plastic composites significantly reduced antiviral functionality.
Conclusions
- Bioactive chemicals, including resin acids, terpenes, and phenolics, are key to wood's antiviral action.
- Specific wood types offer natural, sustainable antiviral surfaces against various viruses.
- Wood surfaces present a promising avenue for developing natural barriers against viral transmission.
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