ESS2-Artigos (em revistas ou actas indexadas)
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Percorrer ESS2-Artigos (em revistas ou actas indexadas) por Objetivos de Desenvolvimento Sustentável (ODS) "12:Produção e Consumo Sustentáveis"
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- Chemical and health risks of swimming pool maintenance workersPublication . Silva, Adriana; Pinto, Ezequiel; Braz, Nídia Maria Dias Azinheira RebeloSwimming pool maintenance workers are exposed to occupational hazards, as it involves the regular handling of toxic chemicals. These exposures can result in acute reactions or chronic complications. The present study, still in the design phase, aims to describe the chemical and biological exposure of workers of a swimming pool maintenance company and to verify its compliance with the safety standards in force. A quantitative questionnaire will identify the use of personal protective equipment, chemical agents, and handling procedures, particularly regarding the time and frequency of use.
- Perceptions of insects and algae as alternative protein sourcesPublication . Linares, Diego; Francisco, Joice; Nogueira, Lyvia; Caetano, Melissa; Pinto, Ezequiel; Palma Mateus, MariaAlgae and insects are commercially available food products that can be alternative protein sources to meat, fish, and eggs, even if consumers find them less appealing. This study analyzed the opinions of a non-random sample of Portuguese adults, using an online, self-fulfillment questionnaire. We collected valid questionnaires from 188 participants. Previous intake history was low for insectbased products (11%) but not for algae (61%). Protein bars with insect flour or algae were considered the most appealing products based on alternative protein sources. Consumer education is needed to promote insects as alternative protein sources.
- Prevalence of potentially inappropriate medication use in older adults with chronic diseasesPublication . Nascimento, Tânia; Andrade, Amanda de Oliveira; Cabrita, Catarina; Pais, Sandra; De la Puerta, RocioOlder adults often consume high amounts of medicines, some of which may not be suitable for their age. A cross-sectional descriptive study was carried out on elderly people (>60 years) diagnosed with chronic diseases and taking at least one medication. The consumption of potentially inappropriate medication (PIM) was analyzed using the EU(7)-PIM List. Of the 65 elderly included, the majority were women (83.1%), diagnosed with hypertension (60.0%), and took 4.09 ± 2.104 medicines. More than 58% consumed at least one PIM. Nervous system PIMs were the most prevalent (29.2%, n = 19). There is a high prevalence of PIM use among the elderly, necessitating regular evaluation for safer medication use.
- Valorisation of gilthead seabream by-products through recovery of antimicrobial proteins for active biopolymer formulationsPublication . Maurizzi, Enrico; Anjos Guerreiro, Liliana Isabel Tomé; Bigi, Francesco; Quartieri, Andrea; Mateus, Ana Patrícia; Volpelli, Luisa Antonella; Pulvirenti, Andrea; Power, Deborah MaryIn the seafish sector, industrial processing and by-catch currently lead to the waste of over 36 % of global fish production by weight. This is largely due to insufficient revalorization of by-products and the underdevelopment of sustainable practices to manage these discarded volumes, which are often disposed of or released into the environment, contributing to pollution. In this study, antimicrobial proteins were extracted from fish by-products for incorporation into biopolymer formulations. Specifically, the focus was on lysozyme, which was targeted using a molecular-proteomic approach. Protein extractions were conducted at various pH levels from Gilthead seabream (Sparus aurata) tissues (skin with scales and mucus, liver, and intestine) normally discarded during processing, to assess recovery of proteins from the selected tissues. The extracted proteins were separated using mild ion-exchange chromatography, followed by quantification and qualitative analysis via SDS-PAGE. The expression levels of lysozyme types-g and-c were quantified through Real-Time qPCR. The antimicrobial activity of the extracted proteins was assessed against Gram-positive (Listeria monocytogenes) and Gram-negative (Escherichia coli) bacteria using a Minimal Inhibitory Concentration (MIC) assay. The proteins were subsequently incorporated into biodegradable film-forming solutions based on hydroxypropyl methylcellulose/chitosan and hydroxypropyl methylcellulose/guar gum mixtures. These films were further tested against the same human pathogens. The results demonstrate the feasibility of extracting proteins from fish by-products using a non-targeted buffer pH extraction approach, which, even without further chromatographic purification, exhibited promising intrinsic antimicrobial activity for potential applications in the food industry.