Water-Soluble Components of Pinus pinaster Wood

Enma Conde, Wenwen Fang, Jarl Hemming, Stefan Willför, Andrés Moure, Herminia Domínguez, Juan Carlos Parajó*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)


Aqueous fractionation of wood has been proposed as a suitable processing method for biorefineries. When treatments are performed under low severity conditions, water-soluble components (which could be detrimental in further processing stages) are removed, whereas polysaccharides, lignin, and other water-insoluble constituents remain in solid phase with little alteration. In order to explore the presence of added-value products in aqueous extracts from Pinus pinaster wood, different samples (heartwood and sapwood with and without knots) were extracted with water at 130 to 140 °C, and the resulting solutions were assayed for yield and composition (by GC-FID, GC-MS, and HPLC). The major extract components, such as polysaccharide-derived products, simple phenolics, stilbenes, lignans, flavonoids, organic acids, jubaviones, steryl esters, and triglycerides, were identified and quantified. In order to assess a possible application of the extracts, their antioxidant activity was measured using the Trolox Equivalent Antioxidant Capacity assay.

Original languageEnglish
Pages (from-to)2047-2063
Number of pages17
Issue number2
Publication statusPublished - May 2013
MoE publication typeA1 Journal article-refereed


  • Flavonoids
  • Lignans
  • Pinus pinaster
  • Stilbenes
  • Water extraction
  • Wood


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