60 documents found, page 1 of 6

Ocorrência de contaminantes e aditivos alimentares na cadeia alimentar portugue...

A recolha de dados precisos, fiáveis e comparáveis sobre géneros alimentícios e alimentos para animais é essencial para monitorizar a sua segurança e para apoiar avaliações e gestão informadas da exposição alimentar e dos riscos associados ao seu consumo, contribuindo para uma maior segurança e saúde dos consumidores. Na Europa, a Autoridade Europeia para a Segurança dos Alimentos (EFSA) tem disponibilizado vár...

The first harmonised total diet study in Portugal: Vitamin D occurrence and int...

Vitamin D acts in calcium and phosphate homeostasis and also as an immunomodulatory hormone. To estimate the vitamin D intake by the ‘adults’ and ‘elderly’ Portuguese populations TDS methodology was used, since in the absence of skin UVB exposure, food and supplements are the only vitamin D sources. Vitamin D was quantifiable in 78 (24 from the fish group) of the 164 TDS samples. Sea bream contained the most vi...

Tabela da Composição de Alimentos portuguesa: da compilação à atualização

O primeiro estudo de dieta total harmonizado realizado em Portugal: avaliação d...

Occurrence of contaminants and food additives in the Portuguese food chain: dat...

Introduction: The collection of accurate, reliable and comparable data on food and feed is essential to monitor their safety and to support informed dietary exposure and risk assessments and management, contributing to higher consumer safety and health. The National Institute of Health Doutor Ricardo Jorge (INSA) is responsible for gathering, harmonising and electronically submitting to the European Food Safety...

Updating the Portuguese food composition table

Introduction: Food composition databases are essential for various stakeholders and purposes, namely: nutritional epidemiology, nutrient intake assessment, diets planning, training, literacy, food products formulation and recipes, and labeling. The Portuguese Food Composition Table (TCA) had its first edition in 1961, presenting now 42 components/nutrients, and since 2017 has been hosted on PortFIR’s website en...

European Database of Carotenoid Levels in Foods. Factors Affecting Carotenoid C...

Many studies indicate that diets including carotenoid-rich foods have positive effects on human health. Some of these compounds are precursors of the essential nutrient vitamin A. The present work is aimed at implementing a database of carotenoid contents of foods available in the European market. Factors affecting carotenoid content were also discussed. Analytical data available in peer-reviewed scientific lit...

A wind turbine and its robust control using the CRONE method

This paper presents the identification, development and simulation of a complex order, third generation CRONE (Commande Robuste d’Ordre Non Entier) controller for a new Darrieus type vertical-axis wind turbine design. A prototype of this wind turbine was developed and tested in a wind tunnel. Data acquired in the tests were used to develop and validate an accurate model. The CRONE control system design methodol...

Lutein as compound with health benefits: the potential of the Portuguese diet

Objective: To evaluate the lutein contet of representative samples of the Portuguese food consumption, based on the Total Diet Study (TDS) approach.

Consumo de sal: de conservante a condimento

Os efeitos prejudiciais do consumo excessivo de sal são geralmente associados à hipertensão arterial e à doença cerebrovascular. Diversos estudos científicos demonstram também que a prevalência destas doenças é muito elevada na população portuguesa, sendo que cerca de 1 em cada 4 portugueses sofre de hipertensão arterial e 1 em cada 10 de diabetes. Recomenda-se, assim, que a ingestão individual diária de sal nã...