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Listar por autor "Ahmad-Qasem Mateo, Margarita Hussam"

Mostrando ítems 1-12 de 12

Air- borne ultrasonic application in the drying of grape skin: Kinetic and quality considerations

Cruz, L.; Clemente Polo, Gabriela; Mulet Pons, Antonio; Ahmad-Qasem Mateo, Margarita Hussam; Barrajón-Catalán, E.; García Pérez, José Vicente (Elsevier, 2016)

[EN] The aim of this work was to address the air-borne application of power ultrasound in the convective drying of grape skin, a by-product of winemaking. For that purpose, convective drying experiments were carried out ...
ASSESSMENT OF THE INFLUENCE OF PROCESSING CONDITIONS ON THE ANTIOXIDANT POTENTIAL OF EXTRACTS OBTAINED FROM OLIVE OIL INDUSTRY BYPRODUCTS

Ahmad-Qasem Mateo, Margarita Hussam (Universitat Politècnica de València, 2016-01-03)

[EN] The main goal of this Thesis was to determine the influence of the main processing stages involved in obtaining natural extracts with high antioxidant potential from byproducts originating in the olive oil industry. Firstly, ...
Drying and storage of olive leaf extracts. Influence on polyphenols stability

Ahmad-Qasem Mateo, Margarita Hussam; Ahmad-Qasem, B.; Barrajon-Catalan, Enrique; Micol-Molina, Vicente; Carcel Carrión, Juan Andrés; García Pérez, José Vicente (Elsevier, 2016)

[EN] There is an increasing demand for natural antioxidants in the food, cosmetics and pharmaceutical industries which has led to the search not only for natural extracts but also for strategies with which to increase ...
Influence of air temperature on drying kinetics and antioxidant potential of olive pomace

Ahmad-Qasem Mateo, Margarita Hussam; Barrajón Catalán, Enrique; Micol, Vicente; Cárcel Carrión, Juan Andrés; García Pérez, José Vicente (Elsevier, 2013-12)

This work aims to evaluate the influence of olive pomace drying (a solid by-product of the olive oil industry) on both antioxidant potential and drying kinetics. The two main fractions of olive pomace (pits, PI and pulps ...
Influence of drying on the retention of olive leaf polyphenols infused into dried apple

Ahmad-Qasem Mateo, Margarita Hussam; Santacatalina Bonet, Juan Vicente; Barrajón-Catalán, Enrique; Micol, Vicente; Cárcel Carrión, Juan Andrés; García Pérez, José Vicente (Springer Verlag (Germany), 2015-01)

[EN] Olive leaf extracts are rich in polyphenolic compounds. Their inclusion by impregnation in food solid matrices could improve the nutritional value and antioxidant capacity of dietary products, such as apple. ...
Influence of freezing and dehydration of olive leaves (var. Serrana) on extract composition and antioxidant potential

Ahmad-Qasem Mateo, Margarita Hussam; Barrajón Catalán, Enrique; Micol Molina, Vicente; Mulet Pons, Antonio; García Pérez, José Vicente (Elsevier, 2013-01)

[EN] In this work, the effect of the methods used for the freezing and drying of olive leaves on the polyphenol content and antioxidant capacity of the extracts was addressed. Thus, different methods were used to dry olive ...
Influence of Olive Leaf Processing on the Bioaccessibility of Bioactive Polyphenols

Ahmad-Qasem Mateo, Margarita Hussam; Cánovas de la Nuez, Jaime; Barrajón-Catalán, Enrique; Carreres, José Enrique; Micol Molina, Vicente; García Pérez, José Vicente (American Chemical Society, 2014-07-02)

[EN] Olive leaves are rich in bioactive compounds, which are beneficial for humans. The objective of this work was to assess the influence of processing conditions (drying and extraction) of olive leaves on the extract ...
Kinetic and Compositional Study of Phenolic Extraction from Olive Leaves (var.Serrana) by Using Power Ultrasound

Ahmad-Qasem Mateo, Margarita Hussam; Canovas, Jaime; Barrajon-Catalan, Enrique; Micol, Vicente; Cárcel Carrión, Juan Andrés; García Pérez, José Vicente (Elsevier, 2013-01)

[EN] Power ultrasound is being used as a novel technique for process intensification. In this study, the feasibility of using power ultrasound to improve the phenolic extraction from olive leaves was approached taking both ...
Kinetic improvement of olive leaves' bioactive compounds extraction by using power ultrasound in a wide temperature range

Khemakhem, Ibtihel; Ahmad-Qasem, Margarita Hussam; Barrajón Catalán, Enrique; Micol, Vicente; Garcia-Perez, J.V.; Ayadi, Mohamed Ali; Bouaziz, Mohamed (Elsevier, 2017-01)

[EN] In this study, the effect of temperature and ultrasonic application on extraction kinetics of polyphenols from dried olive leaf was investigated. Conventional (CVE) and ultrasonic-assisted extraction (UAE) were performed ...
The role of drying methods on enzymatic activity and phenolics content of impregnated dried apple

Ahmad-Qasem Mateo, Margarita Hussam; Nijsse, Jaap; García Pérez, José Vicente; Khalloufi, Seddik (Taylor & Francis, 2017)

[EN] Infusion of antioxidants into vegetables is a new food strategy managed by matrix processing. Raw and blanched apple were air- or freeze-dried. In the case of freeze-dried samples, different freezing methods were ...
Use of Novel Drying Technologies to Improve the Retention of Infused Olive Leaf Polyphenols

Santacatalina Bonet, Juan Vicente; Ahmad-Qasem Mateo, Margarita Hussam; Barrajón-Catalán, E.; Micol, Vicente; García Pérez, José Vicente; Cárcel Carrión, Juan Andrés (Taylor & Francis, 2015)

The infusion of phenolic extracts in dried fruits constitutes an interesting means of improving their nutritional content. However, drying can affect the further process of impregnation. In this work, different drying ...
Validación de métodos de análisis de la composición nutricional de frutos secos y estudio de vida útil del aceite empleado en la fritura de porras

Ahmad-Qasem Mateo, Margarita Hussam (Universitat Politècnica de València, 2011-11-28)

En este trabajo se ha estudiado la influencia de la fritura y el tostado en el contenido en agua, grasa, proteína y fibra total alimentaria de diferentes frutos secos. Además, con el fin de validar los métodos de análisis ...