Browsing by Author "Labidi, Jalel"
Now showing items 1-20 of 113
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A new route towards lignin-based polyols: a highway for lignin exploitation
Pérez Arce, Jonatan (2020-12-18)El aumento del uso de productos de base petroquímica, junto con el agotamiento del petróleo y la mayor preocupación de la industria y la sociedad por la situación medioambiental actual, ha dado lugar a una intensa investigación ... -
Acid Hydrolysis of Almond Shells in a Biphasic Reaction System: Obtaining of Purified Hemicellulosic Monosaccharides in a Single Step
Dávila Rodríguez, Izaskun; Díaz, Estelle; Labidi Bouchrika, Jalel (Elsevier, 2021-05-21)The aim of this work is to comprehend the biphasic reaction systems through another perspective; the simultaneous purification and production of carbohydrates during the pretreatment of biomass. A dilute acid hydrolysis ... -
Antioxidant activity of phenolic compounds obtained by autohydrolysis of corn residues
Egüés Artola, Itziar; Sánchez Agra, Cristina; Mondragón Egaña, Iñaki Bixintxo; Labidi Bouchrika, Jalel (2012-03)This study aimed to evaluate the effect of autohydrolysis temperature of corn residues in the antioxidant activity of the phenolic compounds extracted from the liquid phase. The treatments were carried out at 160, 180, ... -
Antioxidant, Antifungal and Phytochemical Investigations of Capparis spinosa L.
Rajhi, Ilhem; Hernández Ramos, Fabio ; Abderrabba, Manef; Ben Dhia, Med Taieb; Ayadi, Sameh; Labidi Bouchrika, Jalel (MDPI, 2021-10-19)The antioxidant and antifungal activities of crude hydro-ethanolic extract from Capparis spinosa L. (Capparidaceae) leaves and their fractions, obtained by liquid-liquid extraction (LLE) using solvents with increasing ... -
Application des huiles essentielles dans le domaine des embalages alimentaires.
Yahyaoui, Marwa (2020-02-29)The overall objective of this work was to study the suitability of Poly Lactic Acid (PLA) and starch containing natural agents, as active packaging. For this, we chose several natural actives substances such as essential ... -
Assessment of Bleached and Unbleached Nanofibers from Pistachio Shells for Nanopaper Making
Robles Barrios, José Eduardo; Izaguirre Aróstegui, Nagore; Martín Cipitria, Ander; Moschou, Dimitra; Labidi Bouchrika, Jalel (MDPI, 2021-03-04)Cellulose and lignocellulose nanofibrils were extracted from pistachio shells utilizing environmentally friendly pulping and totally chlorine-free bleaching. The extracted nanofibers were used to elaborate nanopaper, a ... -
Assessment of green approaches for the synthesis of physically crosslinked lignin hydrogels
Morales Matías, Amaia; Labidi Bouchrika, Jalel; Gullón Estévez, Patricia (Elsevier, 2019-09-28)Lignin is an excellent candidate to be used as a starting material for hydrogel synthesis due to its highly functional character. The exhaustible character of the fossil resources linked to the increase of plastic residues ... -
Base catalysed depolymerization of lignin: Influence of organosolv lignin nature
Erdocia Iriarte, Xabier; Prado García, Raquel; Corcuera Maeso, María Ángeles; Labidi Bouchrika, Jalel (2014-07)Three different lignins obtained from olive tree pruning by organosolv processes (acetosolv, formosolv and acetosolv/formosolv) were depolymerized by alkaline hydrolysis in a batch reactor to produce high value added ... -
Bioactive molecules in wood extractives: Methods of extraction and separation, a review
Santos, Mateus Berwaldt; Sillero Ortigosa, Leyre; Gatto, Darci Alberto; Labidi Bouchrika, Jalel (Elsevier, 2022-10)Bioactive molecules are those capable of interacting with living organisms, causing changes in them. Wood extractives contain important amounts of these molecules, and some of them have good antioxidant and antimicrobial ... -
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Cellulose Nanocrystal Membranes as Excipients for Drug Delivery Systems
Barbosa, Ananda M.; Robles Barrios, José Eduardo; Ribeiro, Juliana S.; Lund, Rafael G.; Carreno, Neftali L.V.; Labidi Bouchrika, Jalel (MDPI, 2016-12-12)In this work, cellulose nanocrystals (CNCs) were obtained from flax fibers by an acid hydrolysis assisted by sonochemistry in order to reduce reaction times. The cavitation inducted during hydrolysis resulted in CNC with ... -
Characterisation of bark of six species from mixed Atlantic forest
Sillero Ortigosa, Leyre; Prado García, Raquel; Andrés Sánchez, María de los Ángeles ; Labidi, Jalel (Elsevier, 2019-10)[EN] Bark is one of the most available by-product derived from the wood-base industry because of the total volume of the tree that comprised. This study aimed at evaluating the chemical composition of barks of six typical ... -
Conversion of lignin to value added chemicals
Sequeiros Echeberria, Ane (2016-12-20)En un basado en recursos fósiles, la biomasa y especialmente la lignina representa una de las fuentes para la producción productos químicos de alto valor añadido. Durante el desarrollo de esta tesis se han desarrollado los ... -
Corncob arabinoxylan for new materials
Egüés Artola, Itziar; Stepan, Agnes; Eceiza Mendiguren, María Aranzazu; Toriz, Guillermo; Gatenholm, Paul; Labidi, Jalel (Elsevier, 2014-02)[EN]tCorncob agricultural waste was used as a source of arabinoxylan for preparation of films. Three ara-binoxylan samples were prepared: crude extract (CCAX), purified by a washing step, and purified bybleaching CCAX. ... -
Cross-Linked Carboxymethylcellulose Adsorbtion Membranes from Ziziphus lotus for the Removal of Organic Dye Pollutants
Saad, Sara; Dávila Rodríguez, Izaskun; Morales Matías, Amaia; Labidi Bouchrika, Jalel; Moussaoui, Younes (MDPI, 2022-12-08)The goal of this study is to assess Ziziphus lotus’s potential for producing carboxymethylcellulose adsorption membranes with the ability to adsorb methyl green from wastewaters by the revalorization of its cellulosic ... -
Dataset On Cellulose Nanoparticles From Blue Agave Bagasse And Blue Agave Leaves
Robles Barrios, José Eduardo; Fernández Rodríguez, Javier; Barbosa, Ananda M.; Gordobil Goñi, Oihana; Carreno, Neftali L.V.; Labidi Bouchrika, Jalel (Elsevier, 2018-01-05)These data and analyses support the research article “Production of cellulose nanoparticles from blue agave waste treated with environmentally friendly processes” Robles et al. [1]. The data and analyses presented here ... -
Depolymerization of different organosolv lignins in supercritical methanol, ethanol and acetone to produce phenolic monomers
Erdocia Iriarte, Xabier; Prado García, Raquel; Fernández Rodríguez, Javier; Labidi Bouchrika, Jalel (ACS, 2015-12-18)Olive tree pruning was delignified by organosolv processes (acetosolv, formosolv and acetosolv/formosolv) to extract different lignins. The obtained lignins (acetosolv lignin (AL), formosolv lignin (FL) and acetosolv/formosolv ... -
Déterpénation de l'huile essentielle d'Origanum majorana L. et évaluation desd activités biologiques
Ben Salha, Ghada (2020-02-28)The purpose of this work is the study of the deterpenation of the Origanum Majorana essential oil, and the evaluation of the effect of this treatment on the biological efficiency of this volatile component. The aerial part ... -
Dielectric characterisation of chitosan-based composite membranes containing fractionated kraft and organosolv lignin
Wolf, Mark; Izaguirre Aróstegui, Nagore; Pascual José, Borja; Teruel Juanes, Roberto; Labidi Bouchrika, Jalel; Ribes Greus, A. (Elsevier, 2024-03)Chitosan-based composite membranes with fractionated kraft and organosolv lignin were prepared by solvent casting. A small lignin fraction (1%) was added to the neat chitosan to obtain a good distribution. The influence ... -
Direct lignin depolymerization process from sulfur-free black liquors
Fernández Rodríguez, Javier; Erdocia Iriarte, Xabier; Hernández Ramos, Fabio ; Gordobil Goñi, Oihana; González Alriols, María; Labidi Bouchrika, Jalel (Elsevier, 2019-09-03)Agricultural residues (olive tree pruning and almond shell) were subjected to different delignification treatments (organosolv and soda) and the obtained liquors were treated in a high-pressure reactor at 300 °C for 80 min ...