Supercritical CO2 drying of food matrices

[EN] This work explore the use of supercritical CO2 drying as alternative technique for the obtainment of pasteurized and high quality dried product. Several tests were conducted on animal, vegetable and fruit matrixes in order to investigate the effectiveness of SC-CO2 drying process at different process conditions. Design of experiment was performed to find the optimal process conditions for vegetable and fruit matrices, using the final water activity of the products as key indicator for the drying efficiency. The inactivation of naturally present microorganisms and inoculated pathogens demonstrated the capability of SC-CO2 drying process to assure a safe product. Moreover, retention of nutrients was compared with conventional drying methods. Results suggest that supercritical drying is a promising alternative technology for food drying.The research leading to these results received funding from the European Community’s Horizon 2020, Call H2020-SFS-2014-2 “Future Food” project and from the Progetto Strategico di Dipartimento SID of the Department of Industrial Engineering (University of Padua). M.T. and G.P. thank Regione Veneto that supported their fellowship through the grant FSE.Zambon, A.; Vizzotto, TM.; Morbiato, G.; Toffoletto, M.; Poloniato, G.; Dall’acqua, S.; De Bernard, M.... (2018). Supercritical CO2 drying of food matrices. En IDS 2018. 21st International Drying Symposium Proceedings. Editorial Universitat Politècnica de València. 17-23. https://doi.org/10.4995/IDS2018.2018.7753OCS172

Televisión, cultura política y cambio epistémico

p.149-16

Computadora y educación: escenarios y modelos.

El objetivo principal de este trabajo es presentar una suerte de balance que permita reconocer cómo, hasta dónde y en qué condiciones la mediación informática incorporada al servicio de la educación, sobre todo mediante el uso de la computadora, puede contribuir en el desarrollo de competencias de los usuarios.p.127-154

"Géneros televisivos y cultura contemporánea."

p.71-88

"Trabajo sobre el libro de texto: modelos de análisis discursivo".

p.67-78

"Los géneros parlanchines de la TV y el uso del español".

Ponencia10p

Neural language networks at birth

The ability to learn language is a human trait. In adults and children, brain imaging studies have shown that auditory language activates a bilateral frontotemporal network with a left hemispheric dominance. It is an open question whether these activations represent the complete neural basis for language present at birth. Here we demonstrate that in 2-d-old infants, the language-related neural substrate is fully active in both hemispheres with a preponderance in the right auditory cortex. Functional and structural connectivities within this neural network, however, are immature, with strong connectivities only between the two hemispheres, contrasting with the adult pattern of prevalent intrahemispheric connectivities. Thus, although the brain responds to spoken language already at birth, thereby providing a strong biological basis to acquire language, progressive maturation of intrahemispheric functional connectivity is yet to be established with language exposure as the brain develops