Buscar
Mostrando ítems 1-10 de 15
Artículo
Comparative Study of Phenolic Profile, Antioxidant Capacity, and Color-composition Relation of Roselle Cultivars with Contrasting Pigmentation
(Springer Nature, 2016)
Roselle is a plant that accumulates anthocyanins significantly, hence its importance as food coloring and as a source of antioxidant compounds for human health. This study was aimed to determine phenolic composition and ...
Artículo
Proximate chemical composition and content of biologically active components in leaves of two quinoa cultivars (Salcedo and Altiplano) produced in Peru
(Academic Journals Inc., 2016)
Objective: The purpose of the presented study was to describe the proximate chemical composition and content of biologically active components in leaves of two quinoa cultivars (Salcedo and Altiplano) produced in Peru. ...
Artículo
Combining PLS regression with portable NIR spectroscopy to on-line monitor quality parameters in intact olives for determining optimal harvesting time
(Elsevier, 2016-02)
This study presents a systematized method for predicting water content, fat content and free acidity in olive fruits by on-line NIR Spectroscopy combined with chemometric techniques (PCA, LDA and PLSR). Three cultivar ...
Artículo
A Potentiometric Evaluation of Stability Constants of Two-Step Overlapping Equilibria via a Bilogarithmic Hyperbolic Cosine Method
(Japan Society for Analytical Chemistry, 2016)
A bilogarithmic hyperbolic cosine method for the evaluation of overlapping formation constants at varying (or fixed) ionic strength is devised in this paper and applied to data reported in the analytical literature, i.e. ...
Artículo
Pre-fermentative addition of an enzymatic grape seed hydrolysate in warm climate winemaking. Effect on the differential colorimetry, copigmentation and polyphenolic profiles
(Elsevier, 2016-10-15)
The effect of adding an enzymatic hydrolysate of grape seeds (EH-GS) during Syrah wine fermentation in a warm climate has been evaluated. We focused on the polyphenolic composition as well as the application of differential ...
Artículo
Uso de una aplicación móvil para aumentar la motivación del alumnado en formulación y nomenclatura química
(Instituto Químico de Sarriá: Asociación de Químicos e Ingenieros, 2016)
Learning of chemical formulation and nomenclature for university students is becoming less and less stimulating for first-course degree students, which further have marked deficiencies in both the initial level of knowledge ...
Artículo
Artículo
Near infrared hyperspectral imaging: recent applications in the oenological and viticultural sectors
(SAGE Publications, 2016)
Artículo
Ajustando datos químicos con Excel: un tutorial práctico
(Universidad Nacional Autónoma de México, 2016-01-01)
Excel es un programa de hojas de cálculo incluido en Microsoft Office utilizado en un gran número de empresas públicas y privadas en el mundo. Este programa permite realizar muchas operaciones, como el ajuste de datos ...
Artículo
Analytical pyrolysis evidences the presence of granaticins in the violet stains of a Roman tomb
(Elsevier, 2016)
The walls of the Circular Mausoleum tomb (Roman Necropolis of Carmona, Spain) exhibit an important number of violet stains of unknown origin. Analytical pyrolysis detected in the tomb walls granaticin A, a violet pigment ...