41 documents found, page 1 of 5
Nutritional and safety assessment of brown seaweed species and their extracts
Silva, Aurora; Soares, Cristina; Carpena, Maria; Fernandes, Virginia Cruz; Chamorro, Franklin; Delerue-Matos, Cristina; Barroso, M. FátimaThis study examines the nutritional profiles of Bifurcaria bifurcata (BB), Ascophyllum nodosum (AN), and Fucus spiralis (FS), as well as their extracts obtained through microwave-assisted extraction. Compositional analysis covered residual water, volatiles, fixed carbon, ash, lipids, sugars, protein, and fiber. Proximate analysis revealed high protein levels in FS (9.72 %) and BB (ext) (4.95 %). Lipid content r...
Optimized extraction protocols for bioactive antioxidants from commercial seawe...
Santos, Francisca; Soares, Cristina; Morais, Stephanie L.; Neves, Cátia; Grosso, Clara; Ramalhosa, Maria João; Vieira, Mónica; Delerue-Matos, CristinaThis study aimed to optimize the extraction conditions for a valuable source of antioxidants: seaweed. Therefore, ten seaweed samples were subjected to a solid–liquid extraction (SLE), where the extraction conditions (biomass (g): solvent (mL) ratio, temperature, and time) were optimized using response surface methodology (RSM). The seaweeds were also subjected to subcritical water extraction (SWE) (140 and 190...
3D electrochemical cork granule process for the removal of pharmaceuticals from...
Remor, Paula V.; Soares, Cristina; Correia-Sá, Luísa; Paíga, Paula; Alves, Ana Rita; Pizzaia, Anita; Lapa, Nuno; Surra, Elena; Moreira, Francisca C.This study evaluates a three-dimensional (3D) electrochemical process employing cork granules as particle electrodes for removing contaminants of emerging concern (CECs) from urban wastewater. Tests in two reactors of different dimensions (Reactor A - 150 mL; Reactor B - 750 mL), with and without spiking of sulfamethoxazole (SMX) and trimethoprim (TMP), were performed and compared with the conventional 2D proce...
A narrative review on breast cancer treatment supported by focused and systemic...
Machado, Helena; Machado, Jorge; Alves, Christian; Monteiro, Maria do Céu; Cruz, Agostinho; Pinho, Cláudia; Soares, Cristina; Grosso, ClaraCancer remains a persistent global health challenge, continuously driving the search for novel and effective therapeutic strategies. In the case of breast cancer, treatment decisions are primarily guided by factors such as the disease stage, histological grade, molecular receptor status, and the presence of genetic mutations. Understanding these parameters is crucial for tailoring interventions and improving cl...
O desafio da preservação digital na justiça
Soares, CristinaArquivos digitais na Justiça: a criação, manutenção e preservação dos dados e do acervo histórico da justiça, coordenado pelo Instituto de Gestão Financeira e Equipamentos da Justiça encontra-se em curso. Este projeto resultou de um intenso trabalho, ao nível da regulamentação da informação do MJ e Tribunais desenvolvido pelas: Secretaria-geral do Ministério da Justiça (SGMJ) e Direção Geral da Administração da...
Sustainable carotenoid extraction from macroalgae: Optimizing microwave-assiste...
Lopes, Andreia; Correia-Sá, Luísa; Vieira, Mónica; Delerue-Matos, Cristina; Soares, Cristina; Grosso, Clara; Vieira, MónicaThis study aimed at optimizing carotenoid extraction using the macroalga Himanthalia elongata (L.) S.F.Gray as a model. Firstly, traditional extraction procedures were employed, using various solvents and temperatures to enhance the extraction conditions. Once the most effective extraction conditions were identified, the study transitioned to a more efficient and environmentally friendly approach, microwave-ass...
Position of the Specialized Section of Oncology of the Portuguese Society of He...
Morgado, Manuel; Fernandes, Armandina; Santos, Bárbara; Mimoso, Cecília; Soares, Cristina; Santos, Jorge Bigotte; da Silva, Sofia Carvalho.; .
More than trees: Stand management can be used to improve ecosystem diversity, s...
Köbel, Melanie; Príncipe, Adriana; Soares, Cristina; Pinho, Pedro; Nunes, Alice; Branquinho, CristinaIn Mediterranean drylands, extensive areas have been restored by reforestation over the past decades to improve diversity, soil fertility, and tree natural regeneration, contributing to halting desertification and land degradation. However, evaluating reforestation success usually relies on tree survival, while holistic and long-term evaluations of reforestation success based on ecosystem diversity, structure a...
Assessment of the antioxidant capacity of commercial coffee using conventional ...
Morais, Stephanie L.; Rede, Diana; Ramalhosa, Maria João; Correia, Manuela; Santos, Marlene; Delerue-Matos, Cristina; Moreira, Manuela M.As one of the most popular beverages in the world, coffee is a rich source of non-enzymatic bioactive compounds with antioxidant capacity. In this study, twelve commercial coffee beverages found in local Portuguese markets were assessed to determine their total phenolic and flavonoid contents, as well as their antioxidant capacity, by conventional optical procedures, namely, ferric reducing antioxidant power an...
Exploring the bioactive potential of Gracilaria gracilis: An extraction optimiz...
Neves, Cátia; Morais, Stephanie; Vale, Tiago; Soares, Cristina; Grosso, Clara; Domingues, Valentina F.; Vieira, Mónica; Delerue-Matos, CristinaThe extraction of bioactive compounds from the seaweed Gracilaria gracilis was optimized for food use using a Response Surface Methodology. Two designs, Central Composite Face-centered (CCD) and Box-Behnken (BBD) assessed the effects of extraction time, temperature, and seaweed-to-solvent ratio using water as the solvent. The extraction yield was assessed by Total Phenolic Content (TPC). BBD’s best model was a ...