14 documents found, page 1 of 2
Seaweed Pelvetia canaliculata as a Source of Bioactive Compounds for Applicatio...
Freire, Catarina D.; Antunes, Madalena; Silva, Susana F. J.; Neves, Marta; Tecelão, CarlaFatty fish, such as mackerel (Scomber scombrus), are recommended as part of a healthy diet, providing essential fatty acids (FA). Fried fish is appreciated for its attributes, including a crispy texture, golden crust, and pleasant taste. However, frying increases the fat content and the caloric value of food. This study evaluated the use of pre-frying edible coatings on mackerel fillets aiming to: (i) reduce oi...
Nutritive Value and Bioactivities of a Halophyte Edible Plant: Crithmum maritim...
Correia, Iris; Antunes, Madalena; Tecelão, Carla; Neves, Marta; Pires, Cristiana L.; Cruz, Pedro F.; Peralta, Claúdia C.; Pereira, Cidália D.Crithmum maritimum L. (sea fennel), an edible xerophyte of coastal habitats, is considered an emerging cash crop for biosaline agriculture due to its salt-tolerance ability and potential applications in the agri-food sector. Here, the nutritional value and bioactive properties of sea fennel are described. Sea fennel leaves, flowers, and schizocarps are composed of carbohydrates (>65%) followed by ash, proteins,...
Proximate composition and fatty acid profile of Gilthead seabream (Sparus aurat...
Antunes, Madalena; Neves, Marta; Pires, Damiana; Passos, Ricardo; Carmo, Beatriz do; Tchobanov, Carolina F.; Forte, Sara; Vaz, Mariana; Baptista, TeresaSeaweeds are a sustainable source of protein and lipids that may be used to replace fish by-products in aquaculture feed. This study aimed at using the macroalgae Pelvetia canaliculata as an ingredient in gilthead seabream (Sparus aurata) feed, either as freeze-dried powder or as algae residue (waste) that was obtained after the supplementation of sunflower oil. The formulated diets and the fish muscle were ana...
Pelvetia canaliculata as an aquafeed supplement for gilthead seabream Sparus au...
Pires, Damiana; Passos, Ricardo; Carmo, Beatriz do; Tchobanov, Carolina F.; Forte, Sara; Vaz, Mariana; Antunes, Madalena; Tecelão, CarlaFor sustainable and economically viable aquaculture, it is necessary to search for alternative sources of aquafeeds. Algae have been studied because of their bioactive compounds with several activities such as antioxidants. The direct incorporation of the macroalgae Pelvetia canaliculata in sunflower oil to increase oxidative stability and biological value results in waste with high nutritional value that may b...
Physicochemical and nutritional profile of leaves, flowers, and fruits of the e...
Neves, Marta; Antunes, Madalena; Fernandes, Wilson; Azevedo, Zélia M.; Freitas, Victor; Rocha, João M.; Tecelão, Carla; Campos, Maria J.Leaves, flowers and fruits from the edible halophyte chorão-da-praia (Carpobrotus edulis), harvested in the Portuguese western sea shores, were characterized regarding their proximate composition, fatty acid profile, pigments, phenolic compounds, antioxidant and antimicrobial activities. Fruits had the highest amount of carbohydrates (70.2 ± 1.6%) and the lowest of protein (4.67 ± 0.22%) and ash (22.0 ± 1.0%) c...
Nannochloropsis oceanica as a sustainable source of n-3 polyunsaturated fatty a...
Neves, Marta; Ferreira, Ana; Antunes, Madalena; Silva, Joana; Mendes, Susana; Gil, Maria M.; Tecelão, CarlaThis study aimed to evaluate the potential of the marine microalgae Nannochloropsis oceanica as a sustainable source of n-3 polyunsaturated fatty acids (n-3 PUFA) for hen eggs enrichment. During 4 weeks, hens were fed with 3% (w/w) of Nannochloropsis oceanica supplemented diet. Throughout the assay, eggs were analyzed according to several nutritional and physical parameters, namely: (i) protein, fat, and ash co...
Optimization of ultrasound-assisted extraction of bioactive compounds from Pelv...
Sousa, Gabriela; Trifunovska, Marija; Antunes, Madalena; Miranda, Isabel; Moldão-Martins, Margarida; Alves, Vitor D.; Vidrih, Rajko; Lopes, Paula AllenIn this study, Pelvetia canaliculata L. macroalga, collected from the Atlantic Portuguese coast, was used as a source of bioactive compounds, mostly antioxidants, to incorporate them in sunflower oil with the aim of increasing its biological value and oxidative stability. The lyophilized alga was added to the oil, and ultrasound‐assisted extraction (UAE) was performed. Algae concentration and UAE time varied fo...
Optimization of ultrasound-assisted extraction of bioactive compounds from Pelv...
Sousa, Gabriela; Trifunovska, Marija; Antunes, Madalena; Miranda, Isabel; Moldão, Margarida; Delgado Alves, Vitor; Vidrih, Rajko; Lopes, Paula AllenIn this study, Pelvetia canaliculata L. macroalga, collected from the Atlantic Portuguese coast, was used as a source of bioactive compounds, mostly antioxidants, to incorporate them in sunflower oil with the aim of increasing its biological value and oxidative stability. The lyophilized alga was added to the oil, and ultrasound-assisted extraction (UAE) was performed. Algae concentration and UAE time varied fo...
Physicochemical and nutritional characterization of the leaves, flowers and fru...
Neves, Marta; Antunes, Madalena; Azevedo, Zélia M.; Freitas, Victor; Rocha, João M.; Tecelão, CarlaLeaves, flowers and fruits from the edible halophyte Chorão da praia (Carpobrotus edulis), harvested in Portuguese west shores, were characterized regarding their proximate composition, phenolic compounds and antioxidant activity. Flowers and leaves had similar protein content (5.42±0.15 and 5.22 ±0.13 % DW, respectively), being higher than fruits (4.67±0.22 %). No significant differences were observed in the l...
Surdocegueira : crianças e jovens surdocegos em Portugal
Gaspar, Tânia, 1977-; Branquinho, Cátia Sofia dos Santos, 1986-; Rebelo, António Martins Fernandes, 1954-; Antunes, Madalena; Martinho, FátimaRevista de Psicologia da Criança e do Adolescente. - ISSN 1647-4120. - V. 6, n. 1 (2015). - p. 35-42.; A surdocegueira, apesar do seu longo passado e história, é ainda uma deficiência desconhecida por muitos. Em Portugal e no grupo das crianças e jovens, as necessidades e características da pessoa surdocega são ainda ignoradas. Num estudo com uma amostra de 34 jovens surdocegos entre os 2 e os 25 anos de idade,...