Browsing by Subject "Fenols"
Now showing items 1-20 of 21
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A green approach to phenolic compounds recovery from olive mill and winery wastes
(Elsevier, 2022-08-20)
Article
Open AccessThe aim of this study was to evaluate the recovery of phenolic compounds from olive mill and winery wastes by conventional solid-liquid extraction (SLE) using water as the extraction solvent. The studied variables were ... -
Application of the Box–Behnken experimental design for the extraction of phenolic compounds from araçá-roxo (Psidium myrtoides)
(John Wiley & sons, 2021-01-09)
Article
Open AccessThe purpose of this study was to investigate the bioactive compounds of araçá-roxo by applying the Box–Behnken experimental design to evaluate the effect of temperature, time, and ethanol concentration on the extraction ... -
Characterization and optimization of oil microcapsules from Attalea phalerata Mart. for the preservation of bioactive compounds
(Universidade de São Paulo, 2019)
Article
Open AccessThis study aimed microencapsulating Attalea phalerata Mart. oil, containing high carotenoid and phenolic compounds content, with Arabic gum and gelatin, using the complex coacervation method. The yield, efficiency, morphology ... -
Conferring antioxidant capacity to cellulose based materials by using enzymatically-modified products
(2015-05-30)
Article
Open AccessA new, industrially feasible method for conferring cellulosic substrates antioxidant properties by using enzymatic products was developed. The method allows cellulose surfaces such as those of paper sheets to be conferred ... -
Developing antioxidant capacity to cellulose-based materials by using enzymatically-modified products
(2015)
Conference lecture
Restricted access - publisher's policyIn the present work various laccases (Lac) and different phenolic compounds potentially possessing antioxidant action were used in an enzymatic reaction to prepare several functionalization solutions (FS), which were then ... -
Enhanced degradation of phenol by a fenton-like system (Fe/EDTA/h2 o2) at circumneutral pH
(2019-05-01)
Article
Open AccessThis work deals with the degradation of phenol based on the classical Fenton process, which is enhanced by the presence of chelating agents. Several iron-chelating agents such as ethylenediaminetetraacetic acid (EDTA), ... -
Extracció de compostos fenòlics procedents de residus de pell d'ametlla
(Universitat Politècnica de Catalunya, 2017-06-30)
Bachelor thesis
Open Access -
Heterogenization of copper catalyst for the oxidation of phenol, a common contaminant in industrial wastewater
(2013-07)
Article
Open AccessAdvance oxidation process was employed as a pretreat- ment of industrial wastewater. For this purpose, the use of heavy metals as a catalyst is necessary but also complicated because homogeneous catalysts are difficult ... -
Identification and characterization of phenolic compounds extracted from barley husks by LC-MS and antioxidant activity in vitro
(2018-03-19)
Article
Open Access -
Immobilisation of horseradish peroxidase on Eupergit®C for the enzymatic elimination of phenol
(2010-05-15)
Article
Restricted access - publisher's policyIn this study, three different approaches for the covalent immobilisation of the horseradish peroxidase (HRP) onto epoxy-activated acrylic polymers (Eupergit®C) were explored for the first time, direct HRP binding to the ... -
Interacción de la catequina y del ácido cafeico con la rodopsina
(Universitat Politècnica de Catalunya, 2015-06-23)
Bachelor thesis
Open AccessEn este proyecto se ha estudiado la posible interacción de la rodopsina con dos compuestos fenólicos: un flavonoide, la catequina y un ácido fenólico, el ácido cafeico. Los fenoles y flavonoides son sustancias que se ... -
Mass transfer of low molecular weight phenolics in solid foodstuff impregnated with grape must: effective difusion coefficients
(Elsevier, 2006)
Conference report
Restricted access - publisher's policy -
Performance comparison of torus and magnetically-stirred reactor for the enzymatic elimination of phenol
(2009)
Conference lecture
Restricted access - publisher's policyThe goal of this work is the comparison of the performances of a torus and a stirred reactor for the enzymatic elimination of phenol. High degrees of conversion were obtained in both reactors for the three initial ... -
Procés de fabricació del BHT
(Universitat Politècnica de Catalunya, 2015-01)
Bachelor thesis
Restricted access - author's decisionL’objectiu del projecte és avaluar, de manera teòrica, la viabilitat industrial del procés de fabricació del 2,6-ditert-butil-4-metil-fenol, conegut com BHT, a partir de fenol. S’estudien les diverses vies de reacció ... -
Production of edible films based on pea starch with incorporation of active compounds obtained from the purple araçá (Psidium myrtoides)
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-09-01)
Article
Open AccessThe aim of this study was to incorporate the active compounds present in purple araçá (Psidium myrtoides) in pea starch-based films and to verify the influence of different plasticizers (glycerol, sorbitol, and polyethylene ... -
Recovery of polyphenols from agri-food by-products: the olive Oil and winery industries cases
(2022-02-01)
Article
Open AccessThe production of olive oil and wine are two of the main agri-food economic activities in Southern Europe. They generate large amounts of solid and liquid wastes (e.g., olive pomace, olive mill wastewater, grape pomace, ... -
Síntesi i polimerització de monòmers benzoaxazínics a partir de fenols d'origen renovable
(Universitat Politècnica de Catalunya, 2012-09)
Master thesis
Open AccessEs van sintetitzar sis monòmers benzoxazínics (Bz) derivats de tres fenols; l’àcid cumàric, l’àcid ferúlic i l’àcid florètic, procedents de fonts renovables; i dels seus ésters metílics derivats. L’àcid cumàric i l’àcid ... -
Treatment of phenol effuents coupling Fenton's oxidation and nanofiltration
(2009)
Conference report
Open Access -
Trickle bed reactor for the oxidation of phenol over active carbon catalyst
(2009)
Conference lecture
Restricted access - publisher's policyThe catalytic wet air oxidation of phenol using activated carbon has been performed in a laboratory trickle bed reactor over a wide range of operating variables (PO2, T, FL and Cph,o) and hydrodynamic conditions. The ... -
Use of commercial grape phenolics extracts to supplement solid foodstuff
(Elsevier, 2007)
Conference report
Restricted access - publisher's policy