19 documents found, page 1 of 2
Insights on microalgae-based technologies with potential impact on global metha...
Madureira, Leandro Filipe Feiteira; Soares, Ana Sofia Maciel; Duarte, Maria Salomé Lira; Pereira, Francisco; Francisco, DiogoThe European Unions Methane Action Plan outlined policies and targets supporting the Global Methane Pledge to cut CH4 emissions by 30% by 2030, yet urgent implementation is needed to treat medium and diluted CH4 streams. Microalgae-based technologies offer a groundbreaking solution, merging CH4 mitigation with biomass valorization to drive sustainable industrial practices. This review examines three key applica...
Microalgae biomass–A source of sustainable dietary bioactive compounds towards ...
Silva, Maria João; Geada, Pedro Miguel Macedo; Pereira, Ricardo Nuno Correia; Teixeira, J. A.Microalgae are recognized as a promising plant-based protein source and are rich in bioactive compounds with potential health benefits. This review explores the role of microalgae bioactive compounds in global health, analysing findings from animal studies and human trials and their possible impact on health. It highlights the bioactive properties of microalgae, which enhance oral, cardiovascular, brain, gastro...
Influence of plasmonic thin-film-coated photobioreactors on microalgal biomass ...
Pereira, Francisco; Vicente, A. A.; Vaz, Filipe; Borges, Joel; Geada, Pedro Miguel MacedoMicroalgae emerge as an eco-friendly solution for food, feed, pharmaceutical, energy, and environmental remediation, providing a diverse range of valuable biocompounds to address the growing global demand. However, light conditions pose substantial challenges, limiting their photosynthetic efficiency and productivity. Light concentration and manipulation provided by plasmonic effects, coupled with photobioreact...
Isolation and identification of lichen photobionts collected from different env...
Loureiro, Luís Carlos Sá; Morais, João; Silva, Raquel; Martins, Joana T.; Geada, Pedro Miguel Macedo; Vasconcelos, Vítor; Vicente, A. A.Lichens are organisms constituted by a symbiotic relationship between a fungus (mycobiont) and a photoautotrophic partner (photobiont). Lichens produce several bioactive compounds; however, the biotechnological exploitation of this organism is hampered by its slow growth. To start studying the possibility of exploiting lichens as alternative sources of bioactive compounds, eighteen lichens were collected in the...
Comparison of different pretreatment processes envisaging the potential use of ...
Marques, Fabiana ALmeida; Pereira, Francisco; Machado, Luís Pedro Lima; Martins, Joana T.; Pereira, Ricardo Nuno Correia; Costa, Monya M.A significant fraction of the food produced worldwide is currently lost or wasted throughout the supply chain, squandering natural and economic resources. Food waste valorization will be an important necessity in the coming years. This work investigates the ability of food waste to serve as a viable nutritional substrate for the heterotrophic growth of Chlorella vulgaris. The impact of different pretreatments o...
Improving the accessibility of phytonutrients in Chlorella vulgaris through ohm...
Machado, Luís Pedro Lima; Geada, Pedro Miguel Macedo; Teixeira, J. A.; Pereira, Ricardo Nuno CorreiaThe application of electric fields, coupled with its attendant ohmic heating effect, might represent a novel approach to process microalgae biomass. When exposed to temperatures above 70°C, depending on the duration of exposure, significant effects were observed in the release of intracellular compounds from Chlorella vulgaris cells. The most significant effects were observed when they were treated at 90°C with...
Development of highly effective growth strategies aiming at improving the conte...
Sousa, Vítor Emanuel Silva; Maciel, José Filipe Gonçalves; Vicente, A. A.; Dias, Oscar; Geada, Pedro Miguel MacedoDunaliella salina is the most promising natural source of b-carotene, presenting itself as a valid alternative to traditional chemically synthesized carotenoids. Microalgal pigments present several advantages compared to their synthetically produced counterparts, revealing, for instance, higher bioaccessibility. In the present study, a central composite rotatable design and a central composite design were emplo...
The potential of Pavlovophyceae species as a source of valuable carotenoids and...
Maciel, José Filipe Gonçalves; Madureira, Leandro Filipe Feiteira; Geada, Pedro Miguel Macedo; Teixeira, J. A.; Silva, Joana; Vicente, A. A.Microalgae are a group of microorganisms, mostly photoautotrophs with high CO2 fixation capacity, that have gained increased attention in the last decades due to their ability to produce a wide range of valuable metabolites, such as carotenoids and polyunsaturated fatty acids, for application in food/feed, pharmaceutical, and cosmeceutical industries. Their increasing relevance has highlighted the importance of...
Identification and optimization of the key growth parameters involved in carote...
Maciel, José Filipe Gonçalves; Berni, Paulo; Geada, Pedro Miguel Macedo; Teixeira, J. A.; Silva, Joana; Vicente, A. A.In this work, a multivariate analysis was carried out, using a PlackettBurman (PB) design involving seventeen growth parameters, on carotenoids production of Pavlova gyrans (p<0.10). Each assay was analysed regarding its content (mg g1) of fucoxanthin (Fx), diatoxanthin, diadinoxanthin, -carotene (Car), -carotene, and the sum of all carotenoids analysed individually (TCar). According to the statistical analysis...
Exploring methane mitigation strategies in photosynthetic microorganisms throug...
Apolinário, Gonçalo; Gonçalves, Joana Oliveira; Cunha, Emanuel Rodrigues; Madureira, Leandro Filipe Feiteira; Maciel, José Filipe GonçalvesThe problematic of greenhouse gas (GHG) emissions is a global environmental challenge that has raised concerns in the past few decades. Particularly, the increase in atmospheric concentrations of carbon dioxide, methane, and other damaging gases can lead to catastrophic repercussions to life as we know it. Therefore, reducing GHG emissions and fomenting strategies for their mitigation are crucial steps that nee...