Revista de Ciencia y Tecnología (RECyT): Recent submissions
Now showing items 101-120 of 222
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Extracción asistida por enzima de licopeno en pulpa de Guayaba (Psidium guajava L.)
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2017-12-20)El licopeno es un carotenoide con beneficios en la salud humana y de amplio uso en la industria farmacéutica y alimentaria. El objetivo de esta investigación fue evaluar la extracción de licopeno en pulpa de guayaba asistida ... -
Evaluación de mezclas de harina de trigo integral con substituto de grasas
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2017-12-20)Una dieta rica en fibras alimenticias con bajo contenido de grasas, ayuda a prevenir enfermedades crónicas. La utilización de harina de trigo integral y de substituto de grasa, agrega valor nutricional. Substitutos de grasa ... -
Designing a packed column for ammonia recovery : evaluating two packing types
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Gas absorption is a mass transfer operation that involves separating components from a gaseous mixture by contacting them with a suitable liquid, typically performed in packed columns. In this study, a packed column was ... -
Virtual therapeutic exercise system for the treatment of metabolic syndrome
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Metabolic syndrome is characterised by the appearance of obesity, diabetes mellitus and arterial hypertension. In Cuba, people are limited in their practice of therapeutic exercises to control this disease due to the lack ... -
Phytochemical profiling of Clusia valerioi (Standl.) floral resin and Its correlation with the chemical composition of propolis from southern Costa Rica
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Propolis are resinous byproducts produced by bees, known for their wide range of bioactive properties. The chemical composition of propolis is closely linked to the botanical environment surrounding the hive. Clusia valerioi ... -
Chemical stability, viability, and in vitro gastrointestinal resistance of the probiotic bacillus in organic mango juice
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Probiotic juices must ensure their survival after processing and in the gastrointestinal tract to achieve their benefits. This study was divided into two stages. Initially, the objective was to evaluate the pH and viability ... -
Influence of density models on the numerical modeling of natural convection near the water density-inversion point during transient conjugate heat transfer
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Pasteurization of dairy products using the low temperature, long time (LTLT) method is a simple and cost-effective heat treatment that requires minimal investment, making it suitable for small-scale milk production. However, ... -
Effect of operating parameters on air drying potential in a prototype dryer with heat pump
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)In low temperature drying, relative humidity —which expresses the relationship between air vapour pressure and saturation pressure at the same temperature— is the parameter with the greatest influence on the drying rate, ... -
Comparison of sensory shelf-life estimation of a beverage assessed in two locations
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado., 2025-06-23)Sensory Shelf-Life (SSL) estimation of a product consists of the sensory evaluation of a set of samples with different storage times, in which the test location plays an important role. The test location not only defines ... -
Wettability device for electronic solder alloys using the sessile drop method
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado., 2025-06-23)In 2003, the RoHS (Restriction of Certain Hazardous Substances) Directive emerged in the European Union to restrict hazardous substances in electronics, prompting the search for alternatives to lead-based solder due to ... -
Methodology proposal for isolating fungi from Manihot esculenta Crantz storage roots with rot symptoms
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Cassava (Manihot esculenta Crantz) is a vital staple food for millions of people worldwide, primarily valued for its edible storage roots. However, these roots are vulnerable to Cassava Root Rot Disease (CRRD), often caused ... -
Improving the efficiency of photovoltaic generation by adapting to meteorological elements
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)The production of clean electricity, which does not harm environmental systems, has been one of the main global priorities in recent times. The range of ultraviolet radiation, sent through sunlight, which can be captured ... -
Metronidazole delivery : an analysis of enhancers agents and their toxicity
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)The objective of the present work was to evaluate the delivery of Metronidazole through cellulose acetate membranes, by means of the determination of parameters that quantify the delivery process. Propylene glycol (PG) and ... -
Breads with Ora-pro-nobis flour and Bacillus clausii : characterization and resistance to the gastrointestinal tract in vitro
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)In this study breads containing ora-pro-nobis flour and spores of probiotic Bacillus clausii were developed. Physicochemical and microbiological characteristics of the breads and in vitro resistance of the probiotic to the ... -
Characterization of activated carbon produced from industrial waste of yerba mate by chemical activation with ZnCl2
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)In this study, activated carbons (ACs) were prepared by chemical activation with ZnCl2 of yerba mate (YM) branches in a ratio of 1:1 mass of carbon vs. mass of activating agent, performing the pyrolysis at 550, 650, and ... -
Production and evaluation of physicochemical and sensory quality of a liqueur combining orange-fleshed sweet potato and lemon balm
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Liqueur is a spirit drink resulting from a mixture of ethyl alcohol of agricultural origin and/or brandy, drinking water, sugar and possibly other foodstuffs, with a sweet taste and flavored by maceration of vegetable ... -
Microencapsulated Hovenia dulcis : application in yogurt and evaluation of gastrointestinal digestion in vitro
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)This study aimed to determine if adding different forms of Hovenia dulcis (HD) to yogurt enhances bioactive compound concentrations and their effects on gastrointestinal digestion (in vitro). Freeze-dried (Y-HD) and ... -
Fluoride removal from water using process residues from the cement, aggregate, and ceramic industries
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)The escalating demand for drinking water, coupled with the contamination of surface water sources, has intensified interest in harnessing groundwater for water supply. Elevated fluoride levels in groundwater, surpassing ... -
Optimizing FPSO oil processing : an expert system with genetic algorithms for setpoint control
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Increasing the productivity of an offshore oil production unit is a challenge in environments such as the Brazilian pre-salt. Since controlling the oil treatment process is essential for the continuity of the platform and ... -
Successive concentrations of phenolic compounds of ‘Yerba Mate’ (Ilex paraguariensis) and their contribution to antioxidant capacity
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Four successive concentrations of yerba mate extract were made at 30, 50 and 70 °C, adding new yerba mate at the beginning of each concentration. The content of total phenolic compounds (TPC) was evaluated with the ...
