Aqueous extraction of polyphenols and antiradicals from wood by-products by 4 twin-screw extractor: feasibility study
| Autor: | Celhay, Clément, Mathieu, Céline, Candy, Laure, Vilarem, Gérard, Rigal, Luc |
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| Přispěvatelé: | Chimie Agro-Industrielle (CAI), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole nationale supérieure des ingénieurs en arts chimiques et technologiques-Institut National de la Recherche Agronomique (INRA), 'Fonds unitaire interministeriel', program BIOEXTRA |
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
residence time distribution
Extrusion knotwood extractives antioxidant activity pinus-pinaster bark Pinus pinaster Twin-screw extractor oil sunflower seeds extruder [SDV.IDA]Life Sciences [q-bio]/Food engineering Antiradical activity [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering configuration Populus tremula polyphenols rice flour Wood by-products |
| Zdroj: | Comptes Rendus. Chimie Comptes Rendus. Chimie, Académie des sciences (Paris), 2014, 17 (3), pp.204-211. ⟨10.1016/j.crci.2014.01.008⟩ |
| ISSN: | 1631-0748 1878-1543 |
| DOI: | 10.1016/j.crci.2014.01.008⟩ |
| Popis: | International audience; An efficient and eco-friendly extracting process of wood by-products (maritime pine knots and stumps and aspen knots and barks) using a twin-screw extruder has been developed. This continuous device allowed a thermo-mechanical treatment of the woody material to recover fractions containing hydrophilic polyphenols and antiradical compounds. The breakdown of woody materials and the high level of pressing of the solid/liquid mix were mainly influenced by the solvent-to-solid ratio for maritime pine knots and stumps and aspen knots, and by the solvent-to-solid ratio and the barrel temperature in the case of aspen barks. Compared to the extractives content of each by-product determined at laboratory scale, twin-screw extractions were promising for the valorisation of wood by-products and the recovery of bioactive substances. |
| Databáze: | OpenAIRE |
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