Browsing by Author "Vargas-Murga, Liliana"
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- European Database of Carotenoid Levels in Foods. Factors Affecting Carotenoid ContentPublication . Dias, Maria da Graça; Borge, Grethe Iren A.; Kljak, Kristina; Mandić, Anamarija; Mapelli-Brahm, Paula; Olmedilla-Alonso, Begoña; Pintea, Adela M.; Ravasco, Francisco; Šaponjac, Vesna Tumbas; Sereikaitė, Jolanta; Vargas-Murga, Liliana; Vulić, Jelena J.; Meléndez-Martínez, AntonioMany 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 literature from 1990 to 2018 and obtained by HPLC/UHPLC were considered. The database includes foods classified according to the FoodEx2 system and will benefit compilers, nutritionists and other professionals in areas related to food and human health. The results show the importance of food characterization to ensure its intercomparability, as large variations in carotenoid levels are observed between species and among varieties/cultivars/landraces. This highlights the significance of integrating nutritional criteria into agricultural choices and of promoting biodiversity. The uncertainty quantification associated with the measurements of the carotenoid content was very rarely evaluated in the literature consulted. According to the EuroFIR data quality evaluation system for food composition tables, the total data quality index mean was 24 in 35, reflecting efforts by researchers in the analytical methods, and less resources in the sampling plan documentation.
- Tabla de contenido en carotenoides de alimentos iberoamericanosPublication . Dias, Maria da Graça; Olmedilla-Alonso, Begoña; Hornero-Méndez, Dámaso; Mercadante, Adriana Z; Osorio, Coralia; Vargas-Murga, Liliana; Meléndez-Martínez, Antonio J.Introducción: Se considera que los alimentos que se consumen comúnmente en la dieta proporcionan más de 40 carotenoides diferentes (Khachik, 2006). No obstante, el contenido en carotenoides de los mismos varía considerablemente tanto en términos cualitativos como cuantitativos como consecuencia de factores de distinta naturaleza, como el genotipo, las condiciones climáticas de la zona de producción y factores agronómicos entre otros (Maiani et al., 2009). En este trabajo se han compilado y organizado datos obtenidos mediante HPLC sobre el contenido de carotenoides en frutas y verduras producidas en Iberoamérica en relación con la importancia de estos compuestos en la alimentación y la salud, la agricultura y la biodiversidad. Además de productos comunes en la dieta de los países de la región se incluyen otros silvestres o poco utilizados, con lo que se pretende contribuir a promocionar y valorizar especies y variedades locales.