Flavia Silva

• Doctor of chemical engineer
• Guest Adjunct Professor at Polytechnic Institute of Beja

The non-invasive nutritional analysis of feed through images captured by hyperspectral cameras represents an innovative and promising approach in the field of biotechnology. With this technology, it is possible to capture images at multiple wavelengths and identify unique spectral patterns associated with different molecular components, such as tot...

Samples of traditional and decaffeinated commercial coffee blends were evaluated to check their physico-chemical composition, total phenolic compounds (TPC), melanoidins, caffeine, and antioxidant activity by ABTS. In addition, the aim was to detect any possible differences between decaffeinated coffee (DC) and traditional coffee (TC) resulting fro...

Outline: Water Frame Directive_current status Spectral Imaging_hyper/multi-spectral Methods_local & cloud computing Case study_Alqueva Lake Future challenges_H/MSI based framework for water quality monitoring

The new era of insect food and feed brings new challenges and opportunities for quality control. The prior characterization of insect derived raw materials to be incorporated in new formulations is a crucial step in industry-scale production processes. Hyperspectral imaging (HSI) cameras capture hundreds of two dimensional images at different wavel...

The use of different food matrices can result in products with different textures. In this context, the objective was to develop sauces with a mixture of tomato, pumpkin and mango pulp, using the centroid simplex design. The texture of the sauces was studied instrumentally (consistometer and texturometer) and sensorially (Acceptance and Acceptabili...

The baobab tree ( Adansonia digitata ) can be found in sub-Saharan Africa, and its fruit presents high nutritional value. However, baobab seeds are often discarded and their potential remains underutilized. This study aimed to investigate the effect of roasting time (30/55/80/105 min at 200 °C) on the physical–chemical properties of baobab seeds an...

Test methodologies for the extraction of phenolic compounds from extra virgin olive oil, for characterization by HPLC-MS (High Performance Liquid Chromatography – Mass Spectrometry)

Due to growing concern about air pollution and its harmful effects on the health of the population, especially in regard to sub-micrometric particles, some studies have reported that applying an electric field to particle suspensions can improve filter performance by enhancing the deposition of particles in the filter medium. This can result in bet...

Pretendeu-se fazer o rastreio e análise de tendência da qualidade do ar em relação ao poluente ozono troposférico na área circundante do IPBeja, recorrendo a duas metodologias: monitorização remota com Sentinel-5P da Agência Europeia Copernicus e amostragem passivas no Campus do IPBeja, de acordo com a legislação portuguesa vigente.

RESUMO: A partir do século XX o processo de globalização gerou grandes desafios a humanidade, dentre os principais, estão os econômicos, sociais e ambientais. A globalização está reorganizando as relações entre os países, desenvolvendo a competição econômica e, ao mesmo tempo intensificando os problemas que afetam a população mundial. As dinâmicas...

Nowadays, most of the world’s population lives in urban centres, where air quality levels are not strictly checked; citizens are exposed to air quality levels over the limits of the World Health Organization. The interaction between the issuing and atmospheric sources influences the air quality or level. The local climate conditions (temperature, h...

Overall, laboratory water quality analysis must have stability in their results, especially in laboratories accredited by ISO 17025. Accredited parameters should be strictly reliable. Using control charts to ascertain divergences between results is thus very useful. The present work applied a methodology of analysis of results through control chart...

A cafeína (1,3,7-trimetilzantina) é encontrada em mais de 63 espécie de plantas, consequentemente está atribuída diretamente em uma gama de alimentos, como por exemplo as bebidas, que possuem um fluxo constante de ingestão. Possuindo vários benefícios e com o uso indevido diversos malefícios, o alcalóide se tornou foco de diversos estudos. Neste co...

O baobá é um fruto dotado como um todo nutricionalmente, rico em antioxidantes compostos bioativos e fenólicos, o que possibilita a utilização no desenvolvimento de novos produtos alimentícios. Neste sentido objetivou-se ao desenvolvimento de uma bebida de semente de baobá (BB) em alternativa ao café arábica e a comparação com o mesmo em relação ao...

Conference Ecological and Environmental Engineering

Phytoremediation applied to wastewater: drug removal and quantification using HPLC-MS techniques

Palavras-chave: Qualidade do Ar, Monitorização, Poluição, IPBeja, Sustentabilidade Resumo A qualidade do ar ou nível de poluição do ar é influenciada pela interação entre as fontes emissoras e atmosférica, e são as condições meteorológicas locais (temperatura, umidade, ventos, precipitação pluviométrica) que determinam uma maior ou menor dispersão...

Currently, in the gas filtration processes, the presence of electrostatic charges in the particles has been shown to contribute positively to the performance of the filter medium. Due to its high competitiveness in the market for gas-solid separation equipment, the hybrid filter has shown great benefits, being able to operate with low-pressure drop...

RESUMO Devido à crescente preocupação com a poluição do ar e seus efeitos deletérios na saúde da população, principalmente no que se refere as partículas submicrometro, os filtros de mangas têm se tornado uma boa alternativa para a retirada desse material, com eficiência superior a 99,9% para partículas acima de 1 micrômetro. No entanto, as indústr...

The demand for effective gas filtration methods has grown due to the increasing need to control the loss of raw materials in many industrial activities. Emission control equipment is essential in production processes and can be used to recover raw materials or byproducts. In the search for greater efficiency in gas filtration, new methods have been...

The demand for effective gas filtration methods has grown due to the increasing need to control the loss of raw materials in many industrial activities. Emission control equipment is essential in production processes and can be used to recover raw materials or byproducts. In the search for greater efficiency in gas filtration, new methods have been...