Quantification and characterization of knotwood extractives of 12 European softwood and hardwood species

@article{KebbiBenkeder2014QuantificationAC,
  title={Quantification and characterization of knotwood extractives of 12 European softwood and hardwood species},
  author={Zineb Kebbi-Benkeder and Francis Colin and St{\'e}phane Dumarçay and Philippe G{\'e}rardin},
  journal={Annals of Forest Science},
  year={2014},
  volume={72},
  pages={277-284}
}
Extractives are present in much larger amounts in knotwood than in heartwood in the 12 tested hardwood and softwood species. The chemical identity of the extractives varies largely among species, lignans being only present in softwood species. Extractives from knotwood may constitute an important source of new chemicals and remain still poorly known. The content of extractives (and particularly lignans) in knots was compared to that of heartwood in a number of different European softwood and… CONTINUE READING
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