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Article

Potential of ATR-FTIR Spectroscopy for the Classification of Natural Resins

Pablo Martín-Ramos1★, Ignacio Alonso Fernández-Coppel2, Norlan Miguel Ruíz-Potosme3, Jesús Martín-Gil4★ Corresponding author

  1. 1Department of Agricultural and Environmental Sciences, EPS, Instituto de Investigación en Ciencias Ambientales (IUCA), University of Zaragoza, Carretera de Cuarte, s/n, 22071 Huesca, SPAIN.
  2. 2Engineering of Manufacturing Processes group, School of Industrial Engineering, University of Valladolid, C/ Francisco Mendizábal 1, 47014 Valladolid, SPAIN.
  3. 3Universidad Europea Miguel de Cervantes. C/Padre Julio Chevalier 2, 47012 Valladolid, SPAIN.
  4. 4Agriculture and Forestry Engineering Department, ETSIIAA, Universidad de Valladolid, Avenida de Madrid 44, 34004 Palencia, SPAIN.

CORRESPONDENCE

Pablo Martín-Ramos

Department of Agricultural and Environmental Sciences, EPS, Instituto de Investigación en Ciencias Ambientales (IUCA), University of Zaragoza, Carretera de Cuarte, s/n, 22071 Huesca, SPAIN.

pmr@unizar.es

Received: 14-12-2017; Revised: 02-02-2018; Accepted: 06-02-2018.

Volume 4, Issue 1 · pp. 3–6 · PUBLISHED · DOI: 10.5530/bems.4.1.2

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ABSTRACT

This study reports evidence on the feasibility of a classification of natural resins by ATR-FTIR spectroscopy based on specific absorbance band positions. A set of twelve selected resins were used to assess band position variability and this vibrational data was put in relationship with the chemical composition of the resins. As a result, a classification of resins into the following four main families is proposed: 1) those correlated with communic acids (sandarac, black copal, pine pitch and amber); 2) those associated with abietic acid (rosin and mastic); 3) those with ketone groups (white copal, tragacanth and frankincense); and 4) those with ester groups (myrrh, shellac and propolis). This classification system may find application not only in facile quality control of natural products, but also for rapid characterization of cultural heritage materials.

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    Martín-Ramos, P., Fernández-Coppel, I. A., Ruíz-Potosme, N. M., & Martín-Gil, J. (). Potential of ATR-FTIR Spectroscopy for the Classification of Natural Resins. Biology, Engineering, Medicine and Science Reports, 4(1), 3–6. https://doi.org/10.5530/bems.4.1.2