CIM2-Artigos (em revistas ou actas indexadas)
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Percorrer CIM2-Artigos (em revistas ou actas indexadas) por Objetivos de Desenvolvimento Sustentável (ODS) "03:Saúde de Qualidade"
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- Comparative analysis of organoleptic preference and external attractiveness of ‘encore’ and ‘nadorcott’ mandarin cultivarsPublication . Zarcos Duarte, Beatriz; Matias, Pedro; Trindade, Ana Rita; Duarte, Amilcar; Deepanka SaikiaThe ‘Encore’ mandarin tree, cultivated in Portugal for long time, valued for its favour and later ripening period, faces challenges due to a rind-stain disorder afecting its external appearance. Despite its favourable attributes, the emergence of new cultivars such as ‘Nadorcott’, free from external appearance problems and with overlapping ripening periods, resulted in the marginalization of ‘Encore’ in the market. Major retailers, by prioritizing consumer preference for appearance, have contributed to the decline in ‘Encore’ cultivation. Despite this, the ‘Encore’ mandarin is still preferred by long-standing consumers who remember its greater availability in previous decades and value its characteristic taste. Currently, its distribution is mainly restricted to local markets and small-scale fruit retailers. To gauge consumer preference, we conducted a tasting and questionnaire survey with 131 randomly chosen participants, comparing ‘Encore’ and ‘Nadorcott’. The fndings revealed a clear consumer preference for the external appearance of ‘Nadorcott’, leading to a preference for purchasing it based on this criterion alone. Conversely, when evaluating internal fruit quality, consumers distinctly favoured ‘Encore’ for its aroma, sweetness, acidity and overall taste. They expressed a preference for purchasing it based solely on internal quality. However, when participants learnt that less visually appealing fruits were equivalent to the more desirable ones internally, their purchase intentions became indiferent towards both cultivars, with no signifcant diference observed. This highlights the complex interplay between perceptions of external appearance and internal organoleptic quality among consumers, challenging the assumption that appearance alone dictates purchasing decisions.
- Evaluation of the chemical properties of tomato products enriched with plant-based ingredientsPublication . Ngameni Tchonkouang, Rose Daphnee; Martey, Dorcas Martekie; Gago, Custódia; Guerreiro, Adriana; Raposo, Sara; Rodrigues, Brígida; Vieira, Margarida; Antunes, Maria DulceReformulating tomato-based products with beneficial plant-based ingredients is a promising approach for enhancing dietary quality. In this study, the chemical properties of reformulated tomato products—a juice and a sauce enriched with pea protein, olive powder, and tomato peel powder—were evaluated alongside the tomatoes used as raw material (cultivar ‘H1657’) to determine the changes occurring during their conversion into reformulated products. The chemical properties were assessed by analyzing lycopene, antioxidant capacity (by total phenolic content, DPPH, ABTS, and FRAP), sugars (glucose, fructose, and sucrose), and organic acids (citric, malic, ascorbic, and oxalic acids). The results showed that the fruit had the highest contents of glucose and fructose. Citric, malic, and oxalic acids were lower in the reformulated products than in the fruit sample, while ascorbic acid did not differ significantly. The sauce and fresh fruit exhibited the highest lycopene, ABTS, DPPH, and FRAP, whereas the juice had the lowest. Polyphenol content was highest in the sauce followed by the fruit and then the juice. The results suggest that incorporating plant-based ingredients into the sauce formulation can help compensate for nutrient losses that occur during tomato processing, making it a promising tomato-based product.
- Factors influencing access to advanced sanitation service level and drinking-water quality in healthcare facilities in Addis Ababa, Ethiopia: a convergent sequential studyPublication . Retta, Mulumebet Tadesse; Gari, Sirak Robele; Alemu, Bezatu Mengistie; Ambelu, ArgawThis study investigates factors influencing access to advanced sanitation services and drinking water quality in healthcare facilities (HCFs) in Addis Ababa, Ethiopia. Despite the critical role of sanitation and safe water in preventing healthcareassociated infections, many facilities face significant challenges. A convergent sequential study was conducted in 382 healthcare facilities, which involved observations of sanitation facilities, interviews with facility managers, and water quality tests of 382 samples. Additionally, five water samples from reservoirs and distributors were collected, and eight key informant interviews were conducted purposively. In this investigation, only 14.5% of healthcare facilities had advanced sanitation service, while 23.2% had basic sanitation services. Over half (62.3%) of the facilities provided limited sanitation services. Additionally, 22.7% of water samples tested positive for enterococci, 26% for Escherichia coli, 35% for fecal coliforms, and 38.8% for total coliforms. All samples analyzed for fluoride, conductivity, and total dissolved solids (TDS) were below permissible limits, except for 6.6% of the samples that exceeded the pH level of 8.5. In contrast, all water samples from reservoirs and distributors were free from bacterial contaminations, and their fluoride, conductivity, and TDS levels were within the standard. Factors such as having infection prevention committee (IPC)(AOR = 2.8, 95% CI: 1.07-7.52), trained managers on sanitation safety plan (AOR = 2.96, 95% CI: 1.10-7.94), managers trained in infection prevention (AOR = 3.6, 95% CI: 1.25-10.48), having sanitation standards (AOR = 3.5, 95% CI: 1.06-11.64), availability of sufficient budget for sanitation services (AOR = 3.2, 95% CI: 1.14-9.15), having specific annual sanitation plan (AOR = 3.6, 95% CI: 1.52-8.58), using updated WASH guidelines (AOR = 3.4, 95% CI: 1.05-11.20), absence of a sanitation safety plan (AOR = 0.22, 95% CI: 0.05-0.91), lack of regular monitoring and evaluation (AOR = 0.24, 95% CI: 0.07- 0.83), and managers who did not involve in leading renovation of WASH infrastructure (AOR = 0.56, 95% CI: 0.35-0.70) were significantly associated with access to advanced sanitation service level. Access to advanced and basic sanitation services is low in HCFs of Addis Ababa. Several core factors affecting access to advanced sanitation service level has been identified. Many water samples from healthcare facilities were contaminated by bacteria. Enhancing training programs for healthcare managers and securing adequate funding are critical steps toward improving sanitation and water quality.
- Impact of exposure routes of copper oxide nanoparticles in the clam ruditapes decussatusPublication . Bebianno, Maria; Tuncsoy, Mustafa; Lopes Rocha, Thiago; Gomes, Tânia; GARCIA DA FONSECA, TAINÁThe increasing production of diverse applications of engineered nanoparticles along with their potential release into the marine environment from both point and diffuse sources have become a significant concern for ocean health. Due to their unique physical properties, particularly their high surface-to-volume ratio, these nanoparticles can exhibit enhanced bioavailability and toxicity to marine biota. Copper oxide nanoparticles (CuO NPs) are especially prevalent due to their wide range of commercial applications. In the aquatic environment, these nanoparticles typically become part of colloidal fraction and are subjected to physicochemical transformations, leading to the formation of aggregates that eventually sink and deposit onto the bottom substrate. Therefore, sediments, in addition to the water column, act as the primary route of exposure to benthic organisms. The clam Rudipates decussatus is a marine suspension-feeder of great ecological and economic importance in Europe. Ruditapes decussatus were exposed to CuO NPs (10 µg L−1 ) or an equivalent concentration of ionic copper (Cu2+) in both water and water/sediments matrices for 15 days to compare the toxicological impact of different exposure routes. Copper accumulation was monitored in both gills and digestive gland, alongside various biomarkers of susceptibility, exposure, and damage. The results revealed distinct uptake patterns that were dependent on the exposure routes, the chemical form of the metal and the specific tissue responses. Highlighting the complex impact of these contaminants on marine biodiversity.
- A novel three-step biologically informed ocean partitioning strategy: insights from toxigenic phytoplankton in a coastal upwelling systemPublication . Borlido Oliveira Lima, Maria João; Caballero, I.; Barbosa, AnaOcean partitions are often based on readily accessible variables, such as abiotic factors and chlorophyll-a concentration, but provide limited insight into biological patterns. This study developed a three-step partitioning strategy prioritizing environmental factors that best described the variability patterns of harmful algal bloom (HAB)-forming taxa off SW Iberia. These included the producers of amnesic shellfish poisoning (ASP), diarrhetic shellfish poisoning (DSP), and paralytic shellfish poisoning (PSP). First, dimensionality reduction and unsupervised classification were applied to three environmental datasets, derived from remote sensing and model outputs, covering a 19-year period. Second, different empirical-statistical models were used to determine which datasets best explained the abundance of HAB-producers, available for an 8-year period in different classified coastal production areas. Finally, the best datasets were used to derive partitions prioritizing the variability of different HAB groups, at a pixel level. The first classifications identified up to 12 regions, with four to five located in the coastal-slope domain, with a variable configuration depending on the dataset. The best predictor datasets and models identified five regions (two inner-shelf, two outer-shelf/slope, and one transitional coastal-ocean region), representative of HAB groups. No clear distinctive partitions were identified for different groups, namely for ASP- and DSP-producers, likely due to the combined influence of upwelling and freshwater discharges, along with submarine topographic features. Our partitioning strategy can be applied to other marine systems and taxonomic groups. Future improvements, including more complete environmental and biological datasets, could enhance the value of biologically informed environmental partitions as proxies for species abundance.