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Mostrando ítems 1-20 de 21
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A cupric reducing antioxidant capacity assay coupled to thin‑layer chromatography
Micheloni, Oscar Bernardo; Ramallo, Ivana Ayelen; Christeler, Bernardo; Farroni, Abel Eduardo; Furlan, Ricardo Luis Eugenio (Springer Nature, 2024-01)The use of natural antioxidant extracts in food processing is a growing trend, aligning with increasing ecological awareness and meeting consumer demands for safe, high-quality food products. Plants play a significant role ... -
A simple thin-layer chromatography autography for the detection of peroxidase inhibitors
Micheloni, Oscar Bernardo; Ramallo, Ivana Ayelen; Farroni, Abel Eduardo; Furlan, Ricardo Luis Eugenio (Springer Nature, 2024-02)Thin layer chromatography bioautographic assays facilitate the acquisition of activity-profile chromatograms and assist in pinpointing active constituents within complex mixtures by observing the inhibition halos they ... -
An optimized purple corn cob extract as an ingredient for the development of maize-based extrudates with novel characteristics
Rolandelli, Guido; Favre, Leonardo Cristian; Aguirre-Calvo, Tatiana Rocío; Farroni, Abel Eduardo; Buera, María del Pilar; Dos Santos Ferreira, Cristina (Elsevier, 2023-11)Purple corn cobs (PCC) are normally discarded although containing valuable components of potential application in the development of foods and ingredients. Optimum extraction conditions for PCC bioactive compounds were ... -
Analysis of molecular mobility in corn and quinoa flours through ¹H NMR and its relationship with water distribution, glass transition and enthalpy relaxation
Rolandelli, Guido; Farroni, Abel Eduardo; Buera, María del Pilar (Elsevier, 2021-03)Solids-water interactions of corn and quinoa flours were evaluated through 1H NMR, DSC, and water sorption isotherms. Glass transition temperature (Tg), observed by DSC, was better distinguished through FID signals, and ... -
Antioxidant characterization of new dietary fiber concentrates from papaya pulp and peel (Carica papaya L.)
Nieto Calvache, Jhon; Cueto, Mario Alberto; Farroni, Abel Eduardo; Escalada Pla, Marina de; Gerschenson, Lia Noemi (2016)Residues of papaya pulp and peel were used to produce dietary fiber concentrates (DFCs) by treatment with ethanol and microwave drying. The fiber showed antioxidant capacity. Phenolics, carotenoids and ascorbic acid were ... -
Assessing changes in enriched maize flour formulations after extrusionby means of FTIR, XRD, and chemometric analysis
Cueto, Mario Alberto; Farroni, Abel Eduardo; Rodríguez, Silvio D.; Schoenlechner, Regine; Schleining, Gerhard; Buera, María del Pilar (2018-10)Spectral analysis employing multivariate techniques was employed to differentiate plain maize flours from formulations containing maize with added milled chia or quinoa seeds for producing cereal breakfast extrudates. The ... -
Carotenoid and color changes in traditionally flaked and extruded products
Cueto, Mario Alberto; Farroni, Abel Eduardo; Schoenlechner, Regine; Schleining, Gerhard; Buera, Pilar (Elsevier, 2017-08)The objective of this study was to evaluate the impact of process and formulation on individual carotenoid loss in traditionally prepared cornflakes and those prepared by extrusion. The first step in the traditional process ... -
Colour and surface fluorescence development and their relationship with Maillard reaction markers as influenced by structural changes during cornflakes production
Farroni, Abel Eduardo; Buera, María del Pilar (Elsevier, 2012-12)The aim of this work was to study colour and surface fluorescence development in relation to the chemical markers for the Maillard reaction at the cooking, flaking and toasting stages of cornflake production process. Colour ... -
Components interactions and changes at molecular level in maize flour-based blends as affected by the extrusion process. A multi-analytical approach
Rolandelli, Guido; Gallardo-Navarro, Yoja Teresa; García Pinilla, Santiago; Farroni, Abel Eduardo; Gutierrez-Lopez, Gustavo Fidel; Buera, María del Pilar (Elsevier, 2021-02)The aim of this work was to evaluate the influence of partial replacement of maize flour by sub-valuated whole grain flours on the interactions and spatial distribution of the main components of extruded snacks. Non-destructive, ... -
Composition and thermal properties of starch in flint maize (Zea mays, L.) kernels: location and crop management effects
Actis, Marcos; Farroni, Abel Eduardo; Andrade, Fernando Hector; Valentinuz, Oscar Rodolfo; Cirilo, Alfredo Gabriel (Gerencia de Comunicación e Imagen Institucional, DG-SICyP, INTA, 2020-04)Flint maize kernels are processed by the dry-milling industry to produce the flaking grits used thereafter in the corn flakes industry. Flaking-grit yield during milling depends on kernel hardness whereas corn flakes ... -
Cornflake production process: state diagram and water mobility characteristics
Farroni, Abel Eduardo; Buera, María del Pilar (Springer, 2014-10)The aim of this work was to fully understand the physicochemical events involved in the development of the cornflake structure, taking into consideration the water sorption characteristics and state changes in the solid ... -
Efecto del secado y manejo agronómico sobre propiedades físicas asociadas a la dureza del grano en híbridos de maíz
Actis, Marcos; Cocconi, Miriam; Farroni, Abel Eduardo; Bartosik, Ricardo Enrique; Gely, María Cristina; Pagano, Ana María (Universidad Tecnológica Nacional, Argentina, 2022-06-22)Se evaluó el efecto de distintos tratamientos de secado (natural, 50 y 70 °C) y manejo agronómico (sin y con re-fertilización en pre-floración) sobre la dureza endospérmica en cuatro híbridos de maíz (AW 190, NK 940, Cóndor ... -
FT-IR and untargeted chemometric analysis for adulterant detection in chia and sesame oils
Rodríguez, Silvio David; Gagneten, Maite; Farroni, Abel Eduardo; Percibaldi, Nora Mabel; Buera, María del Pilar (Elsevier, 2019-05)Chia (Salvia hispanica L.) and sesame (Sesamum indicum L.) oils are valorized for their health benefits and both are extensively used as ingredients in different food formulations and/or processes. Their retail prices are ... -
Microstructural characteristics and physical properties of corn-based extrudates affected by the addition of millet, sorghum, quinoa and canary seed flour
Rolandelli, Guido; García Navarro, Yoja Teresa; García Pinilla, Santiago; Farroni, Abel Eduardo; Gutiérrez López, Gustavo Fidel; Buera, María del Pilar (Elsevier, 2020-07)Corn flour blends including 25 % of pearl millet, red sorghum, quinoa or canary seed flours, not deeply studied in the extrusion process of corn-based products, were used for extrudates production. Several physical, ... -
Multi-Level approach for the analysis of water effects in corn flakes
Farroni, Abel Eduardo; Matiacevich, Silvia B.; Guerrero, Sandra; Alzamora, Stella; Buera, M. del Pilar (American Chemical Society, 2008-08)The purpose of this work was to analyze the effect of water on thermal transitions, mechanical properties, and molecular mobility in corn flakes (CF), and their relationships. Commercial common (CCF) and sugar-frosted (SCF) ... -
Physical and mechanical properties of maize extrudates as affected by the addition of chia and quinoa seeds and antioxidants
Cueto, Mario Alberto; Porras-Saavedra, Josefina; Farroni, Abel Eduardo; Alamilla-Beltrán, Liliana; Schöenlechner, Regine; Schleining, Gerhard; Buera, María del Pilar (2015-12)The physical and mechanical properties of maize extrudates have been analyzed in relation to the addition of quinoa flour and two novel ingredients, chia and powder extract of purple corn with antioxidant properties. Maize ... -
Physicochemical transformations of corn-based snacks with underexploited grains addition during storage: multi-analytical assessment
Rolandelli, Guido; Farroni, Abel Eduardo; Buera, María del Pilar (Wiley, 2022-11)Corn-based snacks were prepared with the addition of 25% of millet, sorghum, quinoa, and canary seed flours, which are scarcely used grains for human food and can grow in low-fertility soils. GuggenheimAnderson-de Boer (GAB) ... -
Pronase hydrolysis as a pretreatment for quantifying Maillard intermediates during toasting of cornflakes
Cueto, Mario Alberto; Farroni, Abel Eduardo; Buera, María del Pilar (ISEKI Food Association, 2016-04)Some of the products generated by the Maillard reaction are desired and very important for defining consumer acceptance of breakfast cereals. However, in recent years there has been an increased concern about compounds ... -
Rapid autographic method for detection of enzymatic browning inhibitors based on enzyme immobilization
Micheloni, Oscar B.; Farroni, Abel Eduardo; Garcia, Paula; Furlan, Ricardo Luis Eugenio (2018-07)This work describes a TLC-coupled bioautographic assay suitable for the separation and detection of apple polyphenol oxidase (PPO) inhibitors from natural extracts. PPO was immobilised in agar containing L-DOPA as substrate ... -
Toasting time and cooking formulation affect browning reaction products development in corn flakes
Cueto, Mario Alberto; Perez Burillo, Sergio; Rufián Henares, José A.; Farroni, Abel Eduardo; Buera, M. del Pilar (2017-03)During toasting, the last stage of corn flake production, Maillard reaction takes place, favored by the high temperature and low water content. The cooking formulation ingredients influence color and flavor of the final ...