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Relatório de Estágio Curricular – COFICAB Portugal (Guarda)

Fonseca, Mariana

O estágio curricular tem como principal objetivo aperfeiçoar os conhecimentos adquiridos na parte teórica e teórico-prática do Curso Técnico Superior Profissional de Análises Laboratoriais. Este aperfeiçoamento aconteceu através da aproximação à realidade do mundo do trabalho, num laboratório que faz parte de uma empresa multinacional, colocando em prática, de uma forma positiva, a utilização dos conhecimentos ...


Encapsulation of Akkermansia muciniphila in calcium-alginate matrix: a live bio...

Machado, Daniela; Vedor, Rita; Fonseca, Mariana; Sousa, Sérgio; Barbosa, Joana Cristina; Carvalho, Nelson Mota de; Costa, Célia Maria

Objective: Akkermansia muciniphila is a next-generation probiotic recognized for improving gut barrier function and metabolic health. However, ensuring its viability during processing, storage, and gastrointestinal transit remains a challenge. This study investigated calcium-alginate encapsulation as a strategy for enhancing the stability of A. muciniphila during refrigerated aerobic storage and gastrointestina...


From tradition to innovation: enhancing a ready-to eat spinach mash with algae

Barbosa, Joana Cristina; Fonseca, Mariana; Barracosa, Rita; Magalhães, Inês; Correia, Daniela; Grilo, Beatriz; Pedroso, Verónica; Gomes, Ana M.

Objective: To enhance the nutritional profile of a traditional Portuguese dish, esparregado, this project explored the incorporation of algae and microalgae as sustainable and health- promoting ingredients. Methods: A conventional esparregado recipe made with spinach was reformulated by incorporating algae-based ingredients. Three prototypes were developed: (1) with 10% (w/w) Ulva rigida; (2) with 10% (w/w) Chl...


Reinventing smoothies with microalgae: enhancing nutrition and antioxidant capa...

Barbosa, Joana Cristina; Fonseca, Mariana; Helou, Pelega; Barracosa, Rita; Magalhães, Inês; Correia, Daniela; Grilo, Beatriz; Pedroso, Verónica

Objective: This study aimed to develop and assess microalgae- enriched smoothies as stable, nutrient-rich, and sustainable functional beverages. The focus was on enhancing nutritional value and bioactive properties using two sustainably cultivated species: Chlorella vulgaris and Limnospira platensis (Spirulina). Methods: Two smoothie formulations were developed: SCv (with Chlorella vulgaris) and SSp (with Spiru...


Avaliação do potencial prebiótico das “farinhas” de batata-doce e bagaço de pêra

Soares, Inês; Vedor, Rita; Fonseca, Mariana; Pinto, Jorge; Machado, Daniela; Gomes, Ana Maria

O desperdício alimentar, uma forma de biowaste comum a nível global, é um dos maiores desafios de sustentabilidade que a indústria alimentar enfrenta. A indústria de frutas e hortícolas destaca-se neste contexto, sendo responsável por 25 a 30% do total, incluindo resíduos como cascas, sementes e bagaço [1,2]. A valorização deste tipo de resíduos constitui uma estratégia que visa transformar estes em produtos de...


Can a functional cheese spread incorporating Akkermansia muciniphila deliver be...

Fonseca, Mariana; Vedor, Rita; Barbosa, Joana C.; Gomes, Ana Maria; Machado, Daniela

In the present study, next generation probiotic Akkermansia muciniphila was incorporated into a dairy matrix containing Portuguese whey cheese and Greek-style yoghurt in a proportion of 3.5:1, respectively. Subsequently, this innovative food was characterized in terms of microbiological and physicochemical parameters, total phenolic content and antioxidant, antidiabetic, and antihypertensive activities, as well...


Nanomaterials in Cosmetics: An Outlook for European Regulatory Requirements and...

Ferreira, Laura; Pires, Patrícia C.; Fonseca, Mariana; Costa, Gustavo; Giram, Prabhanjan Shridhar; Mazzola, Priscila Gava; Bell, Victoria

The use of materials and products that improve appearance and provide comfort and well-being goes back to the beginning of civilization. Cosmetics is an evolving market that has increasingly focused on innovative technological approaches. Nanotechnology is one of the most revolutionary and promising fields for the development of novel and enhanced cosmetic products, owing to the remarkable multifunctional chara...


Achieving efficient viability of akkermansia muciniphila during aerobic storage...

Machado, Daniela; Fonseca, Mariana; Vedor, Rita; Barbosa, Joana Cristina; Gomes, Ana Maria



Akkermansia muciniphila encapsulated in calcium-alginate hydrogelated matrix: v...

Machado, Daniela; Fonseca, Mariana; Vedor, Rita; Sousa, Sérgio; Barbosa, Joana Cristina; Gomes, Ana Maria

Akkermansia muciniphila is considered a next-generation probiotic to be incorporated in new food and pharmaceutical formulations. Effective delivery systems are required to ensure high probiotic viability and stability during product manufacture, shelf-life, and post-consumption, namely, throughout digestion. Hydrogelated matrices have demonstrated promising potential in this dominion. Hence, this work aimed to...


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