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Article

Caffeine Interactions with Wood Polymers

1
Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 166 29 Prague, Czech Republic
2
Department of Sanitary and Ecological Engineering, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 166 29 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editor: Sabrina Palanti
Forests 2021, 12(5), 533; https://doi.org/10.3390/f12050533
Received: 7 April 2021 / Revised: 19 April 2021 / Accepted: 23 April 2021 / Published: 26 April 2021
Caffeine is a verified bioactive substance suitable for wood protection against pests. Unlike studies of the biocidal effects of caffeine, caffeine-wood bonds and interactions with wood polymer structures have not been studied whatsoever thus far. For this reason, caffeine (1 g/L) interactions with the main wood components (cellulose; hemicellulose; lignin and its precursors conipheryl alcohol, sinapyl alcohol, coumaryl alcohol) were analyzed in the present study. Caffeine concentrations were analyzed using UV–VIS spectrometry at wavelength 287 nm. The results confirmed caffeine variable binding with wood components in comparison to controls (pure caffeine). Cellulose and sinapyl alcohol did not interact with caffeine. Caffeine was bonded with the rest of the wood components in an increasing rank: conipheryl alcohol = lignin < hemicellulose < coumaryl alcohol. These results have a significant role in the protection of wood depending on its chemical composition and the wood species. View Full-Text
Keywords: caffeine; wood structure; wood; lignin caffeine; wood structure; wood; lignin
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MDPI and ACS Style

Kobetičová, K.; Ďurišová, K.; Nábělková, J. Caffeine Interactions with Wood Polymers. Forests 2021, 12, 533. https://doi.org/10.3390/f12050533

AMA Style

Kobetičová K, Ďurišová K, Nábělková J. Caffeine Interactions with Wood Polymers. Forests. 2021; 12(5):533. https://doi.org/10.3390/f12050533

Chicago/Turabian Style

Kobetičová, Klára, Kristýna Ďurišová, and Jana Nábělková. 2021. "Caffeine Interactions with Wood Polymers" Forests 12, no. 5: 533. https://doi.org/10.3390/f12050533

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