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Mostrando ítems 11-20 de 106
Artículo
Fitting Nonlinear Calibration Curves: No Models Perfect
(Scientific Research Publishing, 2017)
The study of the calibration of a series of compounds of environmental concern (six perfluoroalkyl compounds (perfluorooctane sulfonic acid and five perfluoroalkyl carboxylic acids), three preservatives (methyl-, ethyl- ...
Artículo
Excitation-emission fluorescence as a tool to assess the presence of grape-must caramel in PDO wine vinegars
(Elsevier Ltd, 2019-07-30)
A practice in wine vinegar production is the addition of grape-must caramel to correct and unify the final colour of different batches. Although current legislation allows it, the effect in vinegars’ quality has not been ...
Artículo
Study of Zalema Grape Pomace: Phenolic Composition and Biological Effects in Caenorhabditis Elegans
(American Chemical Society, 2013)
The phenolic composition of the extractable fraction of Zalema grape pomace has been analyzed by HPLC-DAD-MS and consisted of mainly flavanols and flavonols (122.75 and 23.11 mg/100 g dry pomace, respectively). The antioxidant ...
Artículo
Antioxidants (carotenoids and phenolics) profile of cherry tomatoes as influenced by deficit irrigation, ripening and cluster
(Elsevier, 2018)
The purpose of this study was to assess the relationship between the effect of regulated deficit irrigation, cluster, developmental stages and two seasons (autumn 2015 and spring 2016) on the commercial and functional ...
Artículo
A neuroimaging study of pleasant and unpleasant olfactory perceptions of virgin olive oil
(CSIC, 2016)
Functional magnetic resonance imaging (fMRI) has been used to collect information from neurons that receive direct input from olfactory bulbs when subjects smell virgin olive oil. The pleasant aroma of three extra ...
Artículo
François-Antoine-Henri Descroizilles (1781-1825), démonstrateur royal de chimie, apothecary, inventor and industrial chemist: the father of titrimetric analysis. Part I
(Real Academia Nacional de Farmacia, 2018)
In this contribution the life and work of François-Antoine-Henry Descroizilles is reviewed. He is recognized as a multifaceted person, and as a skilled and wise chemist by eminent scientists of his time. Descroizilles ...
Artículo
Predicting extra virgin olive oil freshness during storage by fluorescence spectroscopy
(CSIC, 2017)
Virgin olive oil quality relates to flavor and unique health benefits. Some of these properties are at the most desirable level when the oil is just extracted, since it is not a product that improves with age. On ...
Artículo
Lichens as biomonitors for the determination of polycyclic aromatic hydrocarbons (PAHs) in Caracas Valley, Venezuela
(Taylor & Francis, 2011)
Biomonitoring of PAH air pollution using lichens was carried out. Sixteen PAHs were studied in 11 locations along the valley of Caracas (Venezuela). The results of this work indicate that 14 of the 16 analysed PAHs were ...
Artículo
Effect of regulated deficit irrigation on quality parameters, carotenoids and phenolics of diverse tomato varieties (Solanum lycopersicum L.)
(Elsevier, 2017)
This study aims to evaluate the effects of regulated deficit irrigation (RDI) and of cluster position (CI: first and second cluster; CII: third and fourth cluster; CIII: fifth and sixth cluster) on fruit quality parameters, ...
Artículo
A New Microchip Design. A Versatile Combination of Electromembrane Extraction and Liquid-Phase Microextraction in a Single Chip Device
(American Chemical Society, 2018-08-09)
For thefirst time, a novel and versatile microfluidic device wasdeveloped to achieve the possibility of combining different extraction principlesusing a miniaturized approach for the extraction of different classes of ...