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dc.contributor.authorBeltran Sanchidrian, Victòria
dc.contributor.authorSalvadó Cabré, Nativitat
dc.contributor.authorButi Papiol, Salvador
dc.contributor.authorCinque, Gianfelice
dc.contributor.authorPradell Cara, Trinitat
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física
dc.identifier.citationBeltran, V., Salvadó, N., Butí, S., Cinque, G., Pradell, T. Markers, reactions, and interactions during the aging of pinus resin assessed by Raman spectroscopy. "Journal of natural products", 28 Abril 2017, vol. 80, núm. 4, p. 854-863.
dc.description.abstractThe resin extracted from the species of the Pinus genus (Pinaceae family) is a widely used material. Primarily, resins are made up of two types of diterpenoids: abietanes and pimaranes. Their composition changes with aging, affecting their chemical and physical properties; however, the chemical changes that occur during aging are not yet fully known. Understanding the evolution of pimaranes and abietanes and the chemical composition of the aged resins is essential to make the most of this substance and of its derivatives. A systematic study of the aging of Pinus resin with Raman complemented with infrared (IR) spectroscopy was carried out. This study provided new information about the interactions among the constituting molecules in resins aged over many years. In particular the formation of intermolecular hydrogen bonds in aged samples was detected for the first time, and the formation of acid anhydrides from the reaction between pimaranes was demonstrated. Furthermore, Raman and IR spectra band assignments are proposed, and the specific markers of the main compounds of the resin are tagged. This will facilitate the qualitative analysis of resin compounds.
dc.format.extent10 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria química
dc.subject.lcshInfrared spectroscopy
dc.titleMarkers, reactions, and interactions during the aging of pinus resin assessed by Raman spectroscopy
dc.subject.lemacEspectroscòpia infraroja
dc.contributor.groupUniversitat Politècnica de Catalunya. AMPC - Anàlisi de materials de Patrimoni Cultural
dc.description.peerreviewedPeer Reviewed
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (author's final draft)
local.citation.authorBeltran, V.; Salvadó, N.; Butí, S.; Cinque, G.; Pradell, T.
local.citation.publicationNameJournal of natural products

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