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Inulin potential for encapsulation and controlled delivery of Oregano essential...

Costa, Sara Beirão da; Duarte, Cláudia; Bourbon, A. I.; Pinheiro, A. C.; Januário, M. Isabel N.; Vicente, A. A.; Costa, Maria Luísa Beirão da

The ability of inulin, a prebiotic material, as encapsulation matrix was explored. Microcapsules of Raftiline were produced by spray drying inulin solutions at different solids content (5, 15 and 25%) at 120, 155 and 190 °C, according to a Central Composite Rotatable design. Produced capsules were analysed for morphology and size by SEM and physiochemical characterized by DSC, IR and RAMAN. Oregano essential oi...


Effect of the matrix system in the delivery and in vitro bioactivity of microen...

Costa, Sara Beirão da; Duarte, Cláudia; Bourbon, A. I.; Pinheiro, A. C.; Serra, Ana Teresa; Martins, Margarida Moldão; Januário, Maria Isabel Nunes

The effect of encapsulating matrix on retention, protection and delivery of Oregano essential oil (EO) was studied. EO was encapsulated in rice starch porous spheres, inulin and gelatine/sucrose capsules by spray drying. Gelatine/sucrose matrix was also dried by freeze drying. Experimental designs were applied to test the effect of bonding agents and solids content for rice starch and drying temperature and sol...


Monitoring sodium chloride during cod fish desalting process by flow injection ...

Galvis-Sánchez, Andrea C.; Tóth, Ildikó V.; Portela, Ana; Delgadillo, Ivonne; Rangel, António O.S.S.

In order to adapt to the market trends that are moving towards ready-to-use products cod !sh industry is including into their industrial operations as the desalting step. The desalting process is a high cost and time demanding operation. The optimization of the desalting process is of vital importance for the !sh industry in order to assure the homogeneity and predictable concentration of sodium chloride in the...


Evaluation of some of the main inorganic ions in brine solutions used for sea s...

Galvis-Sánchez, Andrea C.; Santos, Inês; Mesquita, Raquel; Lopes, João; Delgadillo, Ivonne; Rangel, António


Evaluation of some of the main inorganic ions in brine solutions used for sea s...

Galvis-Sánchez, Andrea C.; Santos, Inês C.; Mesquita, Raquel B. R.; Lopes, João A.; Delgadillo, Ivonne; Rangel, António O. S. S.


The effect of the matrix system in the delivery and in-vitro bioactivity of mic...

Costa, Sara Beirão da; Duarte, Cláudia; Pinheiro, Ana C.; Bourbon, Ana I.; Serra, Ana Teresa; Martins, Margarida Moldão; Vicente, António

In this study, oregano essential oil (EO) was microencapsulated by spray/freeze drying in: rice starch (with/without bonding agents), gelatine/sucrose and inulin. Microencapsulates were analysed for morphology and structure, releasing ability of entrapped EO, as evaluated by diffusion coefficient (D) and bioactivity.

Data: 2010   |   Origem: Repositório da UTL

The use of fourier-transform near and mid-infrared spectroscopy for sea salt qu...

Galvis-Sánchez, Andrea C.; Lopes, João Almeida; Delgadillo, Ivonne; Rangel, António O. S. S.


Espectrometría de infrarojo y análisis en flujo para la determinación de compue...

Galvis-Sánchez, Andrea C.; Tóth, Ildikó V.; Ganito, Susana; Delgadillo, Ivonne; Rangel, António O. S. S.

Two analytical methods were proposed for the determination of sodium chloride. A flow injection turbidimetric determination, based on the precipitation of silver chloride, was found to be a simple methodology to be implemented for routine analysis with a high sampling frequency, low reagent consumption and waste production in comparison with the reference methodology. On the other hand, the infrared methodology...


Infrared spectroscopy and flow analysis for the determination of chemical const...

Galvis-Sánchez, Andrea C.; Tóth, Ildikó V.; Ganito, Susana; Delgadillo, Ivonne; Rangel, António S. S.


Development of two methods for monitoring codfish desalting process based on fl...

Galvis-Sánchez, Andrea C.; Tóth, Ildikó V.; Ganito, Susana; Delgadillo, Ivonne; Rangel, António O. S. S.


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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia