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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 NunesThe 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...
Valorization of traditional portuguese apples and cherries: biochemical charact...
Serra, Ana Teresa de Carvalho NegrãoDissertation presented to obtain a Ph.D degree in Engineering and Technology Sciences, Biotechnology at the Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa ; The consumption of fruits and vegetables is widely recognized to be beneficial to human health and this is mainly attributed to their high content in functional constituents, such as vitamins, carotenoids and polyphenols. In Portu...
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, AntónioIn 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.
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