Listar DBTA-Artículos, capítulos... por autor "5c7d91ba-86ad-4d41-87d4-d14ae8ef1918"
Mostrando ítems 21-35 de 35
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Monitoring texture and other quality parameters in spinach plants using NIR spectroscopy
Sánchez, María-Teresa; Entrenas, José A.; Torres, Irina; Vega, Miguel; Pérez-Marín, D.C. (Elsevier, 2018)Green colour, texture and dry matter are important attributes to appreciate freshness and quality in spinach. However, there is currently no fast, economical and non-destructive method which allows producers to measure ... -
Near infrared light penetration in watermelon related to internal quality evaluation
Vega-Castellote, Miguel; Sánchez, María-Teresa; Wold, Jens Petter; Afseth, Nils Kristian; Pérez-Marín, D.C. (Elsevier, 2023)The interaction between near infrared (NIR) light and the sample is a key factor to take into consideration when developing applications using NIR spectroscopy. The aim of this study was to assess the penetration depth of ... -
NIR Sensing Technologies for the Detection of Fraud in Nuts and Nut Products: A Review
Vega-Castellote, Miguel; Sánchez, María-Teresa; Torres Rodríguez, Irina; Entrenas, José A.; Pérez-Marín, D.C. (MDPI, 2024)Food fraud is a major threat to the integrity of the nut supply chain. Strategies using a wide range of analytical techniques have been developed over the past few years to detect fraud and to assure the quality, safety, ... -
NIRS technology for fast authentication of green asparagus grown under organic and conventional production systems
Sánchez, María-Teresa; Garrido-Varo, Ana; Guerrero, J.E.; Pérez-Marín, D.C. (Elsevier, 2013)This study sought to evaluate the ability of near-infrared reflectance spectroscopy (NIRS) to classify intact green asparagus as a function of growing method (organic vs. conventional) during postharvest refrigerated ... -
Non-destructive determination of fatty acid composition of in-shell and shelled almonds using handheld NIRS sensors
Vega-Castellote, Miguel; Pérez-Marín, D.C.; Torres, Irina; Sánchez, María-Teresa (Elsevier, 2021)One of the major compounds in almond kernels, which determines their nutritional quality, are lipids. The aim of this research was to determine the fatty acid profile in intact in-shell and shelled almonds (145 samples) ... -
Online NIRS analysis for the routine assessment of the nitrate content in spinach plants in the processing industry using linear and non-linear methods
Vega-Castellote, Miguel; Pérez-Marín, D.C.; Torres, Irina; Sánchez, María-Teresa (Elsevier, 2021)This study aimed to assess the robustness of the NIRS models developed following different strategies for the routine prediction of nitrate content in spinach plants using an online FT-NIR spectrophotometer. To achieve ... -
Optimization of NIR Spectral Data Management for Quality Control of Grape Bunches during On-Vine Ripening
González Caballero, Virginia; López, María Isabel; Sánchez, María-Teresa; Pérez-Marín, D.C. (MDPI, 2011)NIR spectroscopy was used as a non-destructive technique for the assessment of chemical changes in the main internal quality properties of wine grapes (Vitis vinifera L.) during on-vine ripening and at harvest. A total of ... -
Pre-harvest screening on-vine of spinach quality and safety using NIRS technology
Pérez-Marín, D.C.; Torres, Irina; Entrenas, José A.; Vega-Castellote, Miguel; Sánchez, María-Teresa (Elsevier, 2019)The study sought to perform a non-destructive and in-situ quality evaluation of spinach plants using near infrared (NIR) spectroscopy in order to establish its suitability for different uses once harvested. Modified partial ... -
Rapid, simultaneous, and in situ authentication and quality assessment of intact bell peppers using near-infrared spectroscopy technology
Sánchez, María-Teresa; Torres, Irina; De la Haba, María-José; Chamorro, Ana; Garrido-Varo, Ana; Pérez-Marín, D.C. (Willey, 2018)BACKGROUND: The ability of near infrared (NIR) spectroscopy to authenticate individual bell peppers as a function of the growing system (outdoor or greenhouse) was tested using partial least squares discriminant analysis ... -
Routine NIRS analysis methodology to predict quality and safety indexes in spinach plants during their growing season in the field
Torres, Irina; Sánchez, María-Teresa; Vega-Castellote, Miguel; Luqui-Muñoz, Natividad; Pérez-Marín, D.C. (Elsevier, 2021)Cultural practices and harvesting in spinach plants should be based not only on subjective indexes such as freshness and green colour, which are both related with the visual appearance of the plants, but also on objective ... -
Safety and quality issues in summer squashes using handheld portable NIRS sensors for real-time decision making and for on-vine monitoring
Entrenas, José A.; Pérez-Marín, D.C.; Torres, Irina; Garrido-Varo, Ana; Sánchez, María-Teresa (Elsevier, 2019)BACKGROUND: Portable handheld near infrared spectroscopy (NIRS) instruments currently present enormous advantages in terms of size, weight and robustness. They also provide fast, precise information that can be obtained ... -
Setting up a methodology to distinguish between green oranges and leaves using hyperspectral imaging
Torres, Irina; Sánchez, María-Teresa; Cho, Byoung-Kwan; Garrido-Varo, Ana; Pérez-Marín, D.C. (Elsevier, 2019)The estimation of green citrus fruit yield is a key parameter for growers and the industry. The early estimation of orange yield at the immature green stage could influence the future market price and allow producers to ... -
Simultaneous detection of quality and safety in spinach plants using a new generation of NIRS sensors
Entrenas, José A.; Pérez-Marín, D.C.; Torres, Irina; Garrido-Varo, Ana; Sánchez, María-Teresa (Elsevier, 2020)Near infrared (NIR) spectrophotometers require study of the spectral acquisition process, so that they can be used for quality and safety assessment of horticultural products. The aim of this work was to optimize the use ... -
Texture Prediction in Intact Green Asparagus by Near Infrared (NIR) Spectroscopy, Assaying Linear and Non-linear Regression Strategies
De la Haba, María-José; Pérez-Marín, D.C.; Rial-Huerta, D.; Sánchez, María-Teresa (Springer, 2014)Texture-related parameters were assessed in intact green asparagus at harvest and during postharvest storage using near-infrared spectroscopy combined with MPLS and LOCAL algorithms. Three spectrophotometers were evaluated ... -
Use of NIRS technology for on-vine measurement of nitrate content and other internal quality parameters in intact summer squash for baby food production
Sánchez, María-Teresa; Pérez-Marín, D.C.; Torres, Irina; Gil, Belén; Garrido-Varo, Ana; De la Haba, María-José (Elsevier, 2017)This study sought to assess the feasibility of using NIR spectroscopy to predict the physico-chemical composition of summer squash during on-vine ripening, with a view to deciding on its possible use in baby food production ...