102 research outputs found

    RUTA GASTRONÓMICA DEL CACAO AL CHOCOLATE EN COMACALCO, TABASCO, MÉXICO: ANTE NUEVOS ESCENARIOS MUNDIALES

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    El presente trabajo es parte del proyecto de investigación denominado “Estudio de competitividad turística de las Haciendas Cacaoteras en Tabasco, México”. El objetivo fue analizar la Ruta Gastronómica del Cacao al Chocolate, para conocer las potencialidades de atractividad que permita el aprovechamiento de productos fabricados o disponibles en su hábitat natural, con el propósito de atraer a nuevos segmentos turísticos mundiales; y que, en el mediano plazo, genere un desarrollo económico y social sustentable para la localidad. La investigación siguió un método cualitativo de tipo fenomenológico sistémico, donde se privilegió el uso de técnicas de investigación documental y el análisis de contenido. Los principales hallazgos dejan de manifiesto ventajas competitivas y comparativas para potencializar la Ruta Gastronómica referida, aprovechando el Circuito Turístico “Agua y Chocolate” donde también se incluyen a éstas. La calidad y diferenciación de los chocolates que se fabrican en la región; los ha llevado a lograr premios internacionales en los Estados Unidos de América y en Europa. La ruta ha sido calificada como el 4º mejor lugar para consumir chocolate en el mundo. Sin embargo, estos logros no han sido aprovechados para atraer a nuevos segmentos de mercado

    Tendencias del Marketing en el chocolate gourmet mexicano

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    Diversifications in chocolate market is growing and the increase in demand is constant. The consumer of quality chocolates also seeks differentiated advantages from the raw materials and inputs with which the product is manufactured. The cocoa and chocolate companies face challenges due to the high competition of the leading brands participating in this sector. The work presents the results of a research with a qualitative approach whose purpose was to know the expectations and knowledge that the Tabasco consumer has about gourmet chocolate from a marketing perspective.El mercado del chocolate se diversifica cada vez más y el incremento de la demanda es constante. El consumidor de chocolates de calidad, busca además, ventajas diferenciadas provenientes de las materias primas e insumos con las que se fabrica el producto. Las empresas del cacao y el chocolate se enfrentan a desafíos por la alta competencia de las marcas líderes participantes en este sector. El trabajo presenta resultados de una investigación con enfoque cualitativo que tuvo como propósito conocer las expectativas y conocimiento que el consumidor tabasqueño tiene acerca del chocolate gourmet desde una perspectiva de marketing

    Emerging Presence of Culturable Microorganisms in Clinical Samples of the Genitourinary System: Systematic Review and Experience in Specialized Care of a Regional Hospital

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    The detection of emerging pathogens responsible for genitourinary infections has increased with technological advances. We conducted a systematic review of publications on the involvement of these microorganisms in genitourinary samples, and we also investigated their presence and antibiotic susceptibility in samples from patients at our regional hospital (Granada, Spain). The MEDLINE database was searched up to 31 December 2020, and a cross-sectional descriptive study was performed of results obtained in urine samples and genital exudates from January 2016 through December 2019. The review highlighted the frequent involvement of Neisseria meningitidis in genital infections, while the data on other microorganisms were consistent with findings in our patient series. The emerging microorganisms most often responsible for urinary tract infections were Streptococcus bovis (58.5%) and Gardnerella vaginalis (23.6%) in females, and S. bovis (32.3%), Aerococcus urinae (18.6%), and Corynebacterium spp. (16.9%) in males; those most frequently reported in genital infections were S. viridans (36.4%) in females and C. glucuronolyticum (32.2%) and G. vaginalis (35.6%) in males. In general, emerging pathogens are resistant to conventional antibiotics such as penicillin. However, there has also been an increase in beta-lactam resistance by the S. bovis group and Corynebacterium spp. The systematic review showed that emerging microorganisms are responsible for only a small percentage of genitourinary infections but are of major clinical interest, with a predominance of the S. bovis group, G. vaginalis, Lactobacillus spp., Aerococcus spp., and Corynebacterium spp. in urine samples and of G. vaginalis and C. glucuronolyticum in genital samples. Given the increasing resistance to antibiotics empirically prescribed in patients with genitourinary infections, it is recommended to create an antibiogram in all cases

    Comparative Extraction of Phenolic Compounds from Olive Leaves Using a Sonotrode and an Ultrasonic Bath and the Evaluation of Both Antioxidant and Antimicrobial Activity

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    This study is part of the project SHEALTHY that has received funding from European Union's Horizon 2020 Research and Innovation Programme under grant agreement No 817936. This study was also supported by project RTI2018-099835-A-I00 financed by MCIN/AEI/10.13039/5011000 11033/FEDER "Una manera de hacer Europa".A sonotrode ultrasound-assisted extraction of phenolic compounds from olive leaves has been developed using a Box-Behnken design to optimize the effects of solvent composition and ultrasound parameters. The determination of single phenolic compounds was performed by HPLC-MS and the highest recovery in total compounds, oleuropein and hydroxytyrosol was achieved using EtOH/H2O (55:45, v/v), 8 min and 100% of amplitude. The optimal conditions were applied on leaves from seven olive cultivars grown under the same conditions and the results were compared with those found by using a conventional ultrasonic bath, obtaining no statistical differences. Moreover, antioxidant activity by FRAP, DPPH and ABTS in these olive leaf extracts was evaluated and they exhibited a significant correlation with oleuropein and total phenolic content. All cultivars of olive leaf extracts were found to be active against S. aureus and methicillin-resistant S. aureus with minimum bactericidal concentration (MBC) values) that ranged from 5.5 to 22.5 mg mL(-1). No extracts showed antimicrobial activity against C. albicans. The percentages of mycelium reduction in B. cinerea ranged from 2.2 and 18.1%. Therefore, sonotrode could be considered as an efficient and fast extraction technique that could be easily scaled-up at industrial level, thus allowing for olive leaves to be revalorized.European Union's Horizon 2020 Research and Innovation Programme 817936MCIN/AEI/FEDER "Una manera de hacer Europa" RTI2018-099835-A-I0

    La mentoría en la Escuela Universitaria Politécnica de la Universidad de Sevilla

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    XVIII Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas. Escuela Técnica Superior de Ingenieros Industriales y de Telecomunicación. Universidad de Cantabria : Santander, 6 a 9 de julio de 2010Con el fin de integrar a los alumnos de nuevo ingreso, la Escuela Universitaria Politécnica de la Universidad de Sevilla ha puesto en marcha en el curso 2008-09 un Plan de Acción Tutorial (EUPAT) basado en una red en la que participan el profesorado tutor, alumnado mentor y alumnado tutorizado. En el presente trabajo se resumirá el proceso de formación del alumnado mentor y el trabajo desarrollado por el mismo dentro del Plan de Acción Tutorial. Así mismo, se analizarán las dificultades encontradas durante el transcurso de su formación y realización de la labor de mentoría y el nivel de satisfacción alcanzado. Finalmente, se hará una reflexión sobre las debilidades y los puntos de mejora que se pueden deducir del desarrollo hasta el momento de esta acción tutorialIn order to integrate new students, the Polytechnic School of the University of Seville has launched in the year 2008-09 an Tutorial Action Plan (EUPAT) based on a network involving teachers, mentor students and tutored students. In this paper we resume the formation of mentor students and work developed by the same within the Tutorial Action Plan. Also, analyzing the difficulties encountered during the course of their training and carrying out the work of mentoring and the satisfaction level achieved. Finally, we will reflect on the weaknesses and areas for improvement that can be deducted from the development until the time of this action tutorial

    Essential Oils from Fruit and Vegetables, Aromatic Herbs, and Spices: Composition, Antioxidant, and Antimicrobial Activities

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    The use of essential oils (EOs) in the food industry is a popular research topic, as they have antioxidant and antimicrobial activity and could be used as ingredients directly in food or as bioactive component in food coating and food packaging. Thus, the study of their antioxidant and antimicrobial activity is a crucial step to evaluate their use in food packaging/coating. In this work, we evaluate the antioxidant and antimicrobial activities of 13 EOs from herbs, spices, fruits, and vegetables. Briefly, the EOs from aromatic herbs and spices showed the highest antioxidant and antimicrobial activity. Fennel essential oil reported the lowest antioxidant activity, however it showed very good antimicrobial activity against Botrytis cinerea, one of the post-harvest pathogen microorganisms in fruits and vegetables.In the field of food preservation, encapsulated Essential Oils (EOs) could be the best non-toxic and eco-friendly tool for food preservative applications substituting the chemicals ones that have several disadvantages for the environment and health. Thirteen commercial EOs from plants, fruits, and vegetables were characterized by GC-MS. The antioxidant activity was measured by DPPH and ABTS techniques. Antimicrobial activity was assessed by agar well-diffusion method and the Minimum Inhibitory Concentration (MIC) by agar dilution method against six bacteria, Candida albicans, and Botrytis cinerea. All the EOs tested have demonstrated antioxidant activity in the range of IC50 0.01–105.32 mg/mL. Between them, cinnamon EOs were the best, followed by oregano and thyme EOs. Fennel EO showed the lowest radical scavenging. MIC values ranged from 0.14 to 9 mg/mL. C. cassia, thyme, and oregano EOs were the most effective against the bacterial species tested, and the yeast C. albicans. On the contrary, citric fruit EOs showed low or no inhibition against most bacterial strains. The percentages of inhibition of mycelia growth of B. cinerea ranged from 3.4 to 98.5%. Thyme, oregano, mint, and fennel EOs showed the highest inhibition.European Union’s Horizon 2020 -No 81793

    The effects of vision intervention as a motivational strategy on studets motivation and classroom behaviors

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    Tesis (Profesor de Inglés para la Enseñanza Básica y Media, Licenciado en Educación)In the field of second language (L2) education, motivation plays a crucial role for both teaching and learning contexts. Different motivational strategies have been investigated to examine their effectiveness on increasing students’ motivation in the classroom. According to the L2 Motivational Self System (L2MSS) (Dörnyei, 2005, 2009b), learners’ future self-images (vision) can determine and sustain learners’ motivation. However, there is limited empirical evidence showing the relationship between students’ motivational levels and actual motivated behavior. The present study aims to examine the role that vision plays in motivating students and the possible changes that it may exert in their actual motivated behavior. The participants were 50 EFL university-level students in Chile, who were assigned to two groups, experimental (EX) and control (CN). The treatment involved a series of classroom activities designed to tap into learners’ vision, over a 6-week period; the control group received the intervention without the vision components. In order to collect data, three instruments were used. The motivational questionnaire was applied prior and after the intervention. Moreover, behavioral data (i.e., teacher-centered and group-work activities) was obtained before and after the intervention, using the number of words and turns in the L1 and L2 produced by the participants. Furthermore, exit interviews were conducted to examine the learners’ L2MSS. Findings showed that the vision intervention positively affected participants’ Ideal L2 Self. Most importantly, the current study provided observational evidence that there is a positive relationship among the use of vision as a motivational strategy, students’ motivational levels, and their actual classroom behaviorsEn el área de la adquisición de segundas lenguas, la motivación tiene un papel muy importante en la enseñanza y en el contexto del aprendizaje. Distintas estrategias de motivación han sido investigadas para probar su efectividad en los estudiantes dentro de la sala de clases. De acuerdo a L2 Motivational Self System (L2MSS) (Dörnyei, 2005, 2009b), las imágenes futuras de los mismos estudiantes pueden determinar y mantener la motivación de estos. Sin embargo, hay poca evidencia empírica que demuestre la relación entre el nivel de motivación de los estudiantes y su real comportamiento en clases. El presente estudio tiene como objetivo examinar el rol de la visualización en la motivación de los estudiantes y qué tipo de cambios tiene el comportamiento de estos. El estudio constó de 50 participantes los cuales eran estudiantes universitarios que cursan la asignatura de Inglés como lengua extranjera en Chile, quienes fueron divididos en dos grupos, uno experimental y uno de control. La intervención en el grupo experimental constó con el uso de visión como una estrategia de motivación en horas de clases durante un periodo de 6 semanas; el grupo de control recibió la intervención pero sin la implementación de visión. Para la recopilación de datos, se utilizaron tres instrumentos. El cuestionario de motivación fue aplicado previo y posterior a la intervención para obtener dos puntos de recolección de datos. Por otra parte, los datos para analizar el comportamiento de los estudiantes fueron obtenidos antes y después de la intervención, usando el número de palabras y turnos producidos en L1 y L2 durante las actividades centradas en el profesor y en los alumnos. Los hallazgos mostraron que la intervención afectó positivamente el Ideal L2 Self de los estudiantes. Más importante aún, el estudio proporcionó evidencia observacional de que hay una relación positiva entre el uso de la visión como estrategia motivacional, niveles de motivación en los estudiantes y su actual comportamiento dentro de la sala de clase

    Implementación del sistema globalmente armonizado (SGA) para el etiquetado de sustancias químicas, empleando códigos quickly reaction

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    Descriptive research work was carried out, according to the guidelines of the Globally Harmonized System, applicable to the inventory of reagents of the Biochemistry Laboratory from Politecnico Colombiano Jaime Isaza Cadavid in Medellín, Colombia, performing a new method applied to the new information technologies and quick access for mobile devices, used for the elaboration of labels and safety sheets by generating a QR code (quick response code). This methodology of integration of new information technologies allows observing from any mobile device the chemical characteristics of the supplies used in the laboratory, the potential health risks due to exposure or accidental contact, the effects on the environment in case of involuntary dumping, the neutralization of the substance in the event of an accidental spill, the first aid medical indications and the final disposal of the waste generated by their use. All this represents some of the advantages provided by the integrated information system with the technological tools that allow agile and fast communication today.Se realizó un trabajo de investigación basado en el Sistema Globalmente Armonizado (SGA), aplicable al inventario de reactivos del Laboratorio de Bioquímica del Politécnico Colombiano Jaime Isaza Cadavid de Medellín; creando un sitio web empleado para la elaboración de las etiquetas y hojas de seguridad facilitando su lectura mediante un código QR. Esta nueva tecnología de información permite observar desde cualquier dispositivo móvil las características químicas de los insumos del laboratorio, los riesgos potenciales para la salud por exposición o contacto accidental, las afectaciones al medio ambiente por vertimiento involuntario, la neutralización de la sustancia en caso de derrame accidental, los primeros auxilios y la disposición final de los residuos generados. Este proyecto presenta ventajas aportadas por el sistema integrado de información, con las herramientas tecnológicas que permiten hoy en día una comunicación ágil y rápida, además de estar inscrito dentro del Plan de Desarrollo 2022-2025 “Calidad Académica y Humana”. A research work was carried out according to the guidelines of the Globally Harmonized System - GHS, applicable to the inventory of reagents of the Biochemistry Laboratory from Politécnico Colombiano Jaime Isaza Cadavid of Medellín, Colombia; performing a website used for the elaboration of labels and safety data sheets facilitating their reading through a QR code (quick response code). This new information technologie allow to observe from any mobile device the chemical characteristics of the suplies used in the laboratory, the potential health risks due to exposure or accidental contact, the effects on the environment in case of involuntary dumping, the neutralization of the substance in the event of an accidental spill, tthe first aid medical indications and the final disposal of the waste generated by their use. This investigation represents some of the advantages provided by the integrated information system with the technological tools that allow agile and fast communication today. In addition to registering within the Development Plan 2022-2025 "Academic and Human Quality"

    Protagonismo del mentor en una actividad tutorial de carácter multidisciplinar en Ingeniería

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    XIX Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas : Barcelona, 6 a 8 de julio de 2011En la Escuela Politécnica Superior (EPS) de la Universidad de Sevilla se ha trabajado, por tercer curso consecutivo, en un Plan de Acción Tutorial desarrollado por 16 profesores tutores y 20 alumnos mentores de 5 titulaciones de Ingeniería Técnica. El objetivo perseguido en este curso ha sido potenciar actividades que han surgido del propio albedrío de los alumnos mentores, lo que ha dado como resultado la realización de una serie de actividades de mentoría motivadas y dirigidas desde el principio por los alumnos mentores. La actividad conjunta de todos ellos ha llevado a organizar unos subgrupos de mentorías en función de determinadas características del alumnado de primer curso (deportistas, trabajadores, becarios de otras universidades…), a realizar reuniones presenciales de mentores para puesta a punto de estas actividades así como de puesta al día de los resultados que se iban consiguiendo, además de organizar una segunda captación de mentorizados tras las notas del primer cuatrimestre, y la protagonización de una Jornada de Mentoría al final del curso.A third edition with 16 tutorial lecturers and 20 tutorial students from five different degrees (Technical Engineering of the Polytechnical School, EPS, at University of Seville) in a Tutorial Plan development, has been prepared. During the present year, the main characteristic has been a serial of mentoring actions motivated and directed by these mentors. This activity has been organized considering several subgroups of mentoring depending on special characteristics in first year students (sportsplayers, workers, grant holders from other universities…), moreover the organization of a second recruiting of new students after the first term marks, updating meetings for mentors only, and to be main figures in a Congress on Mentoring at the end of the academic year
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