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Maderas. Ciencia y tecnología
versión On-line ISSN 0718-221X
ELBIR, M et al. Valorization of Moroccan olive stones by using it in particleboard panels. Maderas, Cienc. tecnol. [online]. 2012, vol.14, n.3, pp.361-371. Epub 25-Sep-2012. ISSN 0718-221X. http://dx.doi.org/10.4067/S0718-221X2012005000008.
The main objective of this work was to find new applications to valorize olive stones (endocarp and seed). In order to improve knowledge on olive stones, the phenolic compounds concentration of three varieties of Moroccan olive trees: Moroccan Picholine, Menara and Haouzian were studied. Olive stones of three varieties were characterized by Fourier Transform Mid Infrared Spectroscopy (FT-MIR). Total phenolic compounds are quantified after solid-liquid extraction by an assay of Folin-Ciocalteu. Moroccan Picholine stones (11.32 mg GAE/g DM) have a higher content of total phenolic compounds than Haouzia stones (4.55 mg GAE/g DM) and Menara stones (3.56 mg GAE/g DM). Thermogravimetric analysis indicates that up to 195°C; there is no degradation of the stones. The biocide performance on agar-agar was tested with decay fungi. Biodegradation studies show that the most interesting results are obtained with Moroccan Picholine stones. The presence of Moroccan Picholine in a particleboard panels improves the total resistance of the particleboard panels against both Coriolus versicolor and Coniophora puteana rot fungi.
Palabras clave : Decay resistance; olive stone; particleboard; phenolic compounds.