228 documents found, page 1 of 23
Exploring the effects of sweet potato leaves on skin health - from antimicrobia...
Machado, Manuela; Silva, Sara; Pintado, Manuela; Costa, Eduardo M.Sweet potato leaves (SPL), an agricultural byproduct, hold significant potential in dermatological applications due to their bioactive compounds. This study evaluates the phenolic profile of SPL extracts and investigates their biological activities relevant to skin health. Extract fingerprinting, through uHPLC-DAD and LC–MS, identified phenolic acids and flavonoids, with cynarin, neochlorogenic acid, and spirae...
Alginate edible films containing essential oils: characterization and bioactive...
Lopes, Ana I.; Melo, Adma; Afonso, Tiago B.; Silva, Sara; Barros, Lillian; Tavaria, Freni K.; Pintado, ManuelaEssential oils (EOs) are natural substances rich in phenolic compounds with notable antimicrobial and antioxidant properties. However, they present some limitations, such as low stability and bioavailability. Incorporating EOs into polymeric films offers a novel approach to overcome these challenges while enhancing their efficacy. In this study, we produced and thoroughly characterized alginate-based edible fil...
Investimento na promoção e sustentabilidade dos recursos piscícolas da região C...
Alexandre, Carlos Manuel; Silva, Sara; Rato, Ana; Almeida, Pedro RaposoCom o objetivo de resolver alguns dos problemas identificados e desenvolver avanços técnicos e científicos que permitam otimizar o sucesso destas ações de repovoamento, foi, em 2018, dado início ao projeto “CRER - Adaptação do Posto Aquícola de Campelo para a Criação Experimental de Trutas Assilvestradas”, uma operação cofinanciada por Fundos Europeus (FEAPM - Fundo Europeu dos Assuntos Marítimos e das Pescas),...
Application of encapsulated tomato by-product extract as a colorant in mascarpone
Molina, Adriana K.; Leichtweis, Maria G.; Machado, Manuela; Silva, Sara; Pintado, Manuela; Barreira, João C. M.; Dias, Maria Inês; Prieto, Miguel Á.Agricultural by-products, often underutilized, represent a significant opportunity to obtain sustainable value-added products to develop new functional foods. In this context, the (typically discarded) aerial parts of tomato plants (Solanum lycopersicum L. var. cerasiforme), were studied as new sources of natural bioactive compounds, focusing the extraction and encapsulation (using spray drying with maltodextri...
Reflexões sobre as políticas públicas para o envelhecimento nos antigos combatente
Silva, Sara; Baltazar, M. Saudade Baltazar; Romão, Ana; Batista, LuisNo presente short paper pretende-se compreender como é que as políticas públicas estão orientadas para fazer face ao envelhecimento nos AC e contribuem para a melhoria da sua qualidade de vida. Com recurso a uma metodologia qualitativa e através da pesquisa e análise documental, na ótica do Life Span e a partir de uma perspetiva sociológica, são identificadas as principais necessidades de apoio no universo dos ...
Postural changes in adolescents with refractive errors
Carreira, Ana Francisca; Pereira, Beatriz; Rodrigues, Margarida; Borges, Maria; Silva, Sara; Sá, Cristina; Sá, CristinaIntroduction: The use of screens is increasingly present in the lives of adolescents, potentially leading to an increase in refractive errors (RE) and consequently, possible postural alterations. Objectives: To identify postural alterations in adolescents with refractive errors; investigate the relationship between screen time, physical activity (PA), and lifestyle with RE and posture; and compare postural diff...
Design of a dog waste station for the municipality of Vila Nova de Gaia
Guimarães, Ana Luisa; Oliveira, Beatriz; Perez, Juana; Silva, Sara; Lima, Cláudia; Mendonça, RuiThis article describes the methodological process for the design of a dog waste station for S. Paio park (Vila Nova de Gaia, Porto), developed in an academic context as part of a partnership between the University of Porto and Vila Nova de Gaia City Council. The methodology included a mapping of containers in national and international parks, a SWOT analysis of these containers, observation and documentation of...
Perspectives on perceived workplace age discrimination and engagement: The mode...
Miguel, Isabel; von Humboldt, Sofia; Silva, Sara; Tavares, Patrícia; Low, Gail; Leal, Isabel Maria Pereira; Valentim, Joaquim P.Engaging workers with their work is fundamental for employee wellbeing and performance. Perceived age discrimination in the workplace is a factor that may influence workers’ engagement. The present study aimed to analyze the moderating role of emotion regulation in the relationship between perceived age discrimination and work engagement. Survey data were collected from a sample of 453 Portuguese workers of var...
How do older adults experience pet companionship? A qualitative study of the af...
von Humboldt, Sofia; Silva, Sara; Leal, Isabel Maria PereiraThis study aimed to explore the affective relationship of older adults with their pets during the COVID-19 pandemic; and to assess how this contributed to their mental health. This qualitative study included 351 participants aged 65–88 years from Portugal, the United Kingdom, and Spain. All interviews went through content analysis. Findings indicated five themes: (1) Enabling a meaningful affective relationship...
Back to kindergarten? Paternalistic care behavior in healthcare contexts and ol...
von Humboldt, Sofia; Silva, Sara; Leal, IsabelObjectives: Paternalistic care behavior in health contexts reduces involvement in the decision-making process and dissatisfaction in healthcare, which may negatively influence older adults’ mental health. This study comprised two main objectives: (1) to explore older adults’ experiences of paternalistic behavior in the context of health services and (2) analyze the influence of paternalistic behavior on older a...