1. Laboratório de Produtos Florestais (PPGEF), Centro de Ciências Rurais, Universidade Federal de Santa Maria, P.O. Box 221, Santa Maria, Rio Grande do Sul 97105-900, Brazil
2. Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, Espoo FI-00076, Finland
3. VTT Technical Research Centre of Finland, P.O. Box 1000, Espoo FI-02044 VTT, Finland
4. Departments of Chemical & Biological Engineering, Chemistry, and Wood Science, The University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada