| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Coelhoso, Isabel M.
Universidade Nova de Lisboa
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Polymer–nano-ZnO composites for food packaging
- 2022Strategies to Improve the Barrier and Mechanical Properties of Pectin Films for Food Packaging: Comparing Nanocomposites with Bilayerscitations
- 2022Purification of ferulic acid from corn fibre alkaline extracts for bio-vanillin production using an adsorption processcitations
- 2021Modelling CO2 absorption in aqueous solutions of cholinium lysinate ionic liquidcitations
- 2021Block copolymer-based magnetic mixed matrix membranes-effect of magnetic field on protein permeation and membrane foulingcitations
- 2021Article block copolymer-based magnetic mixed matrix membranes-effect of magnetic field on protein permeation and membrane foulingcitations
- 2019Physical and morphological characterization of chitosan/montmorillonite films incorporated with ginger essential oilcitations
- 2018Hydrogel Composite Membranes Incorporating Iron Oxide Nanoparticles as Topographical Designers for Controlled Heteronucleation of Proteinscitations
- 2017Nano-structured magneto-responsive membranes from block copolymers and iron oxide nanoparticlescitations
- 2017A non-invasive optical method for mapping temperature polarization in direct contact membrane distillationcitations
- 2016Assessment of the adhesive properties of the bacterial polysaccharide FucoPolcitations
Places of action
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article
Purification of ferulic acid from corn fibre alkaline extracts for bio-vanillin production using an adsorption process
Abstract
<p>Ferulic acid is the most widely studied precursor for bio-vanillin production. This work assesses the use of an alkaline extract from corn fibre for bio-vanillin production. The results show that after extraction an additional step is needed to purify ferulic acid removing toxic/inhibitor compounds. An adsorption process was selected to purify the ferulic acid. The performances of four different macroporous resins prepared from different matrix materials were evaluated. Macronet® MN102 (not yet reported for ferulic acid purification) offered the highest ferulic acid adsorption capacity. A column packed with Macronet® MN102 was used to perform dynamic adsorption and desorption experiments, which showed a maximum ferulic acid adsorption capacity of 176 mg<sub>ferulic acid</sub>.g<sup>−1</sup><sub>dry resin</sub> at pH 4.5 at a flow rate of 3.7 BV (bed volumes).h<sup>−1</sup>. The breakthrough point was at 115 min, corresponding to an adsorption capacity of 85 mg<sub>ferulic acid</sub>.g<sup>−1</sup><sub>dry resin</sub>. In the desorption step, 90.9% of ferulic acid was recovered using absolute ethanol ≥ 99.8%) as eluent, at the same flow rate of 3.7 BV (bed volumes).h<sup>−1</sup>. This procedure confirmed the removal of compounds with a microbial inhibitory effect, such as organic acids, metals and some aldehydes. The purified ferulic acid extract was then used to produce bio-vanillin. The bio-vanillin production by Amycolatopsis sp. ATCC 39116, using a single pulse of an extract with 10 g.L<sup>-1</sup> of ferulic acid extract, led to a maximum vanillin concentration of 5 g.L<sup>-1</sup> and a vanillin yield of 0.52 g<sub>vanillin</sub>.g<sub>ferulic acid</sub><sup>-1</sup>, values comparable to those obtained with a commercial solution containing 10 g.L<sup>-1</sup> of ferulic acid.</p>