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Browsing by Author "Vargas Colás, María Desamparados"

Now showing items 1-20 of 101

Active Starch-Polyester Bilayer Films with Surface-Incorporated Ferulic Acid

Hernandez-Garcia, Eva; Vargas, Maria; Chiralt, A. (MDPI AG, 2022-10)

[EN] Bilayer films of cassava starch-based (with 10% gellan gum) and polylactic (PLA): Poly(3- hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) polyester blend (with 75% PLA) monolayers were obtained by melt-blending and ...
ANTIFUNGAL CHITOSAN-BASED FILMS AND COATINGS CONTAINING ESSENTIAL OILS FOR FRUIT APPLICATIONS

Perdones Montero, Ángela (Universitat Politècnica de València, 2016-12-15)

[EN] Chitosan films and coatings have been obtained, by incorporating different essential oils (EO) and using different homogenization conditions of the film forming emulsions, in order to obtain antifungal materials for ...
Antilisterial effect of citrus essential oils and their performance in edible film formulations

Randazzo, Walter; Jiménez Belenguer, Ana Isabel; Settanni, Luca; Perdones Montero, Ángela; Moschetti, Marta; Palazzolo, Eristanna; Guarrasi, Valeria; Vargas Colás, Mª Desamparados; Germana, Maria Antonietta; Moschetti, Giancarlo (Elsevier, 2016-01)

[EN] The antimicrobial activity of eight essential oils (EOs) extracted from the fruit peel of Citrus genotypes (orange, mandarin and lemon) was evaluated against 76 strains of Listeria monocytogenes, previously isolated ...
Antioxidant edible films based on chitosan and starch containing polyphenols from thyme extracts

Talón Argente, Emmanuelle; Trifkovic, Kata T.; Nedovic, Viktor A.; Bugarski, Branko M.; Vargas Colás, Mª Desamparados; Chiralt, A.; González Martínez, María Consuelo (2017)

[EN] The aim of this study was to analyse the antioxidant activity of different polymeric matrices based on chitosan and starch, incorporating a thyme extract (TE) rich in polyphenols. TE provided the films with remarkable ...
Antioxidant starch-based films with encapsulated eugenol. Application to sunflower oil preservation

Talón-Argente, Emmanuelle; Vargas, Maria; Chiralt, A.; González Martínez, María Consuelo (Elsevier, 2019-10)

[EN] Starch films containing eugenol, which was added to the film-forming dispersion in free form or encapsulated with different wall materials (whey protein or lecithin), were obtained by casting. The physical and the ...
APLICACIÓN DE RECUBRIMIENTOS A BASE DE QUITOSANO Y ACEITE ESENCIAL DE LIMÓN EN FRESONES

Perdones Montero, Ángela (Universitat Politècnica de València, 2012-01-24)

La aplicación de recubrimientos comestibles constituye una de las alternativas de interés para el aumento de la vida postcosecha de frutas y hortalizas. En el presente trabajo se han obtenido formulaciones formadoras de ...
Application of chitosan-sunflower oil edible films to pork meat hamburgers

Vargas, Maria; Albors, A.; Chiralt, A. (Elsevier, 2011)

[EN] Edible films were prepared by combining high molecular weight chitosan with sunflower oil. Films were obtained by casting and were applied to the surface of pork meat hamburgers. Chitosan-based films increased the ...
Application of edible coatings to partially dehydrated pineapple for use in fruit cereal products

Talens Oliag, Pau; Pérez-Masià, Rocío; Fabra Rovira, María José; Vargas, Maria; Chiralt, A. (Elsevier, 2012)

[EN] The present work analyzes the application method and the effectiveness of edible coatings based on caseinates or chitosan in partially dehydrated pineapple for its use in dry fruit-cereal products. Commercial breakfast ...
Atomization of Microfibrillated Cellulose and Its Incorporation into Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Reactive Extrusion

Vieira-De Freitas, Pedro Augusto; Barrasa, Hector; Vargas, Fátima; Rivera, Daniel; Vargas, Maria; Torres-Giner, S. (MDPI AG, 2022-02)

[EN] The present study focuses on the preparation and characterization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) films that were reinforced with cellulose microstructures to obtain new green composite materials ...
Biodegradable Antimicrobial Films for Food Packaging: Effect of Antimicrobials on Degradation

Hernandez-Garcia, Eva; Vargas, Maria; González Martínez, María Consuelo; Chiralt Boix, Mª Amparo (MDPI AG, 2021-06)

[EN] The environmental problem generated by the massive consumption of plastics makes necessary the developing of biodegradable antimicrobial materials that can extend food shelf-life without having a negative impact on ...
Biodegradable Multilayer Films for Active Food Packaging, Based on Starch and Polyesters with Phenolic Acids

Hernández García, Eva (Universitat Politècnica de València, 2022-03-21)

[ES] Se han desarrollado mediante termoprocesado películas multicapa biodegradables activas para el envasado de alimentos, combinando películas de almidón mejoradas y de una mezcla de poliésteres (PLA-PHBV), con diferentes ...
Biodegradation of PLA-PHBV Blend Films as Affected by the Incorporation of Different Phenolic Acids

Hernandez-Garcia, Eva; Vargas, Maria; Chiralt Boix, Mª Amparo; González Martínez, María Consuelo (MDPI AG, 2022-01)

[EN] Films based on a 75:25 polylactic acid (PLA) and Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) blend, containing 2% (w/w) of different phenolic acids (ferulic, p-coumaric or protocatechuic acid), and plasticised ...
Biopolymers Carrying Essential Oils, or their Compounds, for Food Antimicrobial Packaging

Requena-Peris, Raquel; Vargas, Maria; Atarés Huerta, Lorena María; Chiralt, A. (Bentham Science, 2018)

[EN] Background: Biodegradable antimicrobial materials for food packaging applications are in great demand by the food industry and society alike for the purposes of extending food shelf life, thus reducing the environmental ...
Caracterització i aplicació de pel·lícules de PBS i rapa de raïm per a l'envasament actiu d'aliments

Ávila Benavent, Ainoa (Universitat Politècnica de València, 2024-10-04)

[ES] El raspón de uva es un subproducto de alta producción con un elevado potencial antioxidante que puede aprovecharse en el envasado de alimentos. Se incorporó este residuo previamente molido en películas de PBS que se ...
Caracterización textural de las masas fritas y mejora del producto final

Tárrega Ramón, Jordi (Universitat Politècnica de València, 2011-11-28)

Una de las masas fritas más populares en España son los churros, consumidos habitualmente en desayunos o meriendas. Estas masas se elaboran a partir de harina de trigo, agua y sal y los churros se obtienen tras la extrusión ...
Characterization of polysaccharide-essential oil biodegradable coatings. Application to tomato fruit

Tampau, Alina (Universitat Politècnica de València, 2015-10-27)

[ES] Se prepararon películas biodegradables utilizando quitosano o metilcelulosa con aceites esenciales (AE) de albahaca, tomillo u orégano. El tamaño de las partículas y las propiedades reológicas de las dispersiones ...
Cinética de liberación y actividad antibacteriana de ácidos fenólicos incorporados en films de PLA-PHBV

Peñalver Sánchez, María (Universitat Politècnica de València, 2021-09-07)

[EN] The food packaging industry faces the current challenge of developing biodegradable packaging materials and reducing the use of conventional slow-degrading plastics. Likewise, the use of synthetic preservatives in ...
COMPARISON OF GAMIFICATION TOOLS FOR EVALUATING THE ETHICAL, ENVIRONMENTAL AND PROFESSIONAL RESPONSIBILITY SKILLS IN SCIENCE DEGREES

Sebastiá-Frasquet, M.-T.; Vargas Colás, Mª Desamparados; Asensio Cuesta, Sabina; Pascual-Seva, Nuria (IATED, 2016)

In the last two years the Universitat Politècnica de València (UPV) has implemented the evaluation of key transversal competences in its degrees. The objective is to offer an added value both for UPV s graduates and their ...
COVID-19 Impact: A Case Study at the School of Agricultural Engineering and Environment of the Universitat Politècnica de València

Clemente Polo, Gabriela; Garcia-Prats, Alberto; Lisón, Purificación; Rubio Michavila, Constanza; Vidal-Puig, Santiago; Ricarte Benedito, Beatriz; Estruch-Guitart, Vicente; Fenollosa Ribera, M. Loreto; Manzano Juarez, Juan; Rovira Más, Francisco; Vargas, Maria; San Bautista Primo, Alberto (MDPI AG, 2022-09)

[EN] To study the first impact of the COVID-19 crisis on the results obtained by students belonging to the School of Agricultural Engineering and Environment at the Universitat Politecnica de Valencia (Spain), the average ...
Desarrollo de films y recubrimientos comestibles bio-activos como soporte de agentes antioxidantes y antimicrobianos

Bonilla Lagos, Maria Jeannine (Universitat Politècnica de València, 2013-05-02)

RESUMEN El objetivo de esta tesis fue la obtención y caracterización de films biodegradables con características antimicrobianas y/o antioxidantes a partir de quitosano (CH). Para modular sus propiedades y mejorar ...