Valorization of Moroccan olive stones by using it in particleboard panels
2012
Elbir, M(University Sultan Moulay Slimane Faculty of Science and Technology Equipe Systèmes Chimiques Complexes) | Moubarik, A(ENSET MAScIR-NANOTECH) | Rakib, E.M(University Sultan Moulay Slimane Faculty of Sciences and Technology Laboratory of Organic and Analytical Chemistry) | Grimi, N(Université de Technologie de Compiègne Centre de Recherche de Royallieu) | Amhoud, A(University Sultan Moulay Slimane Faculty of Science and Technology Equipe Systèmes Chimiques Complexes) | Miguel, G(University of Algarve Department of Biotechnology) | Hanine, H(Université Sultan Moulay Slimane Faculté des Sciences et Techniques Laboratoire de Valorisation et Sécurité des Produits Agro-alimentaires) | Artaud, J(Université Paul Cézanne Equipe AD2EM) | Vanloot, P(Université Paul Cézanne Equipe AD2EM) | Mbarki, M(University Sultan Moulay Slimane Faculty of Science and Technology Equipe Systèmes Chimiques Complexes)
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.
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