Quelal-Vásconez, Maribel Alexandra; Macchioni, Riccardo; Livi, Greta; Pérez-Esteve, Édgar; Lerma-García, María Jesús; Talens Oliag, Pau; Barat Baviera, José Manuel; Agerlin Petersen, Mikael; Bro, Rasmus(Elsevier, 2022-09-30)
[EN] A total of 56 key volatile compounds present in natural and alkalized cocoa powders have been rapidly evaluated using a non-target approach using stir bar sorptive extraction gas chromatography mass spectrometry ...
Folch Fortuny, Abel(Universitat Politècnica de València, 2017-01-23)
The present Ph.D. thesis is devoted to study, develop and apply approaches commonly used in chemometrics to the emerging field of systems biology. Existing procedures and new methods are applied to solve research and ...
Aleixandre-Tudó, José Luis; Nieuwoudt, Helené; Aleixandre Benavent, José Luís; Du toit, Wessel(Elsevier, 2017)
[EN] The wine industry requires reliable methods for the quantification of phenolic compounds during the winemaking process. Infrared spectroscopy appears as a suitable technique for process control and monitoring. The ...
[EN] Chemometrics has been defined as the discipline that provides maximum information from chemical data. Food science and technology applications use chemical data and are therefore suitable for chemometrics evaluation. ...
[EN] The main cause of flesh browning in 'Rojo Brillante' persimmon fruit is mechanical damage caused during harvesting and packing. Innovation and research on nondestructive techniques to detect this phenomenon in the ...
dos Santos, Isabel; Bosman, Gurthwin; Aleixandre Tudo, José; Du toit, Wessel(Elsevier, 2022-01-01)
[EN] Phenolic compounds are secondary metabolites known to play crucial roles in important chemical reactions impacting the mouthfeel, colour and ageing potential of red wine. Their complexity has resulted in a number of ...
[EN] Persimmon fruit cv. 'Rojo Brillante' is an astringent cultivar due to its content of soluble tannins, which are insolubilised during the ripening of the fruit. Traditionally, the consumption of this cultivar has only ...
[EN] In this work, the application of EEM-PARAFAC (fluorescence excitation-emission matrix-parallel factor analysis) in water treatment processes, has been summarized. First, its most common use, the characterization and ...
[EN] Despite the growing popularity of machine learning (ML), the teaching of this disruptive field
in analytical chemistry is challenging due to the lack of enough programming background in
both, professors, and students. ...
[EN] Current infrared spectroscopy applications in the field of viticulture are moving toward direct in-field measuring techniques. However, limited research is available on quantitative applications using direct measurement ...
[EN] Drying is a complex, dynamic, unsteady and nonlinear process that, when not optimized on a system level, may be responsible for (1) significant quality degradation and (2) energy wastage. Consequently, new drying ...
[EN] Incorporating monitoring and forecasting technologies has the potential to enhance the different aspects of winemaking. By monitoring certain chemical parameters, it is possible to evaluate the progress of the ...
Wyngaard, Elizma van; Blancquaert, Erna; Nieuwouldt, Helene; Aleixandre Tudo, José(Frontiers Media SA, 2021-09-03)
[EN] The fourth agricultural revolution is leading us into a time of using data science as a tool to implement precision viticulture. Infrared spectroscopy provides the means for rapid and large-scale data collection to ...
Fernández-Novales, Juan; Saiz Rubio, Verónica; Barrio, Ignacio; Rovira Más, Francisco; Cuenca-Cuenca, Andrés; Alves, Fernando Santos; Valente, Joana; Tardáguila, Javier; Diago, María Paz(MDPI AG, 2021-07)
[EN] There is a growing need to provide support and applicable tools to farmers and the agro-industry in order to move from their traditional water status monitoring and high-water-demand cropping and irrigation practices ...
[EN] Background: The increasing demand for quality assurance in agro-food production requires sophisticated analytical
methods for in-line quality control. One of these techniques is visible and near-infrared (VIS-NIR) ...
[EN] E-noses can be routinely used to evaluate the volatile profile of tomato samples once the sensor drift and standardization issues are adequately solved. Short-term drift can be corrected using a strategy based on a ...
Aleixandre-Tudó, José Luis; Nieuwoudt, Helené; Olivieri, Alejandro; Aleixandre Benavent, José Luís; Du toit, Wessel(Elsevier, 2017)
[EN] Phenolic compounds play and important role on colour, flavour and mouthfeel attributes of wines. The acquisition of information related to phenolic compounds during the winemaking process is therefore becoming a ...
Acosta Tello, Maylin Oristela(Universitat Politècnica de València, 2024-07-22)
[ES] El conocimiento del estado nutricional de los cultivos permite corregir o ajustar cualquier exceso o deficiencia nutricional en los mismos, a lo largo de su ciclo vegetativo, asegurando un alto rendimiento en la ...
[EN] Spectra obtained from fresh grapevine organs provide information on chemical composition but could also contain valuable information on the morphological and physical attributes. The prediction of grapevine organs ...
[EN] Early control of fruit quality requires reliable and rapid determination techniques. Therefore, the food industry has a growing interest in non-destructive methods such as spectroscopy. The aim of this study was to ...