Differentiation between pine woods according to species and growing location using FTIR-ATR

Wood Science and Technology
Mohamed TraoréAntonio Martínez Cortizas

Abstract

Attenuated total reflectance-Fourier transform infrared (FTIR-ATR) spectroscopy was applied to 120 samples of heartwood rings from eight individual pine trees from different locations in Spain.Pinus sylvestriscores were collected at the Artikutza natural park (Ps-ART).Pinus nigracores were collected in Sierra de Cazorla (Pn-LIN) and in La Sagra Mountain (Pn-LSA). Three discriminant analysis tests were performed using all bands (DFT), lignin bands only (DFL) and polysaccharides bands only (DFP), to explore the ability of FTIR-ATR to separate between species and growing location. The DFLmodel enabled a good separation between pine species, whereas the DFPmodel enabled differentiation for both species and growing location. The DFTmodel enabled virtually perfect separation, based on two functions involving twelve FTIR bands. Discrimination between species was related to bands at 860 and 1655 cm-1, which were more intense inP. sylvestrissamples, and bands at 1425 and 1635 cm-1, more intense inP. nigrasamples. These vibrations were related to differences in lignin structure and polysaccharide linear chains. Discrimination between growing locations was mainly related to polysaccharide absorptions: at 900, 1085 and 1335 cm-1more repres...Continue Reading

References

Mar 1, 2002·Journal of Chemical Ecology·A M ManninenP Kainulaine
Sep 13, 2005·Biomacromolecules·Satoshi Kubo, John F Kadla
Mar 6, 2007·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Francesca Mizzoni, Stella Nunziante Cesaro
Nov 22, 2007·Applied Spectroscopy·Carmen-Mihaela PopescuStefan Willfor
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Apr 30, 2013·Analytical and Bioanalytical Chemistry·S GenestG Steiner
Aug 21, 2015·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Mohamed TraoréAntonio Martínez Cortizas
Aug 25, 2014·Materials·Matheus PolettoAdemir J Zattera

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Citations

Nov 25, 2020·Scientific Reports·Linar AkhmetzyanovAoife Daly
Dec 6, 2020·The Science of the Total Environment·Gilberto BindaDamiano Monticelli
Dec 2, 2020·The Science of the Total Environment·Carmen Leiva-DueñasMiguel A Mateo
Jan 28, 2020·The Science of the Total Environment·Yichen WuCharles-François de Lannoy
Jan 8, 2022·PloS One·Claire Anne HoldenMartin McAinsh

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Methods Mentioned

BETA
infrared spectroscopy
PCA
chemical treatments

Software Mentioned

LSA
LIN
Pn
Ps
ART

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