Esta tesis tiene el propósito de establecer la relación entre la conciencia ambiental y las sumillas de asignaturas en la formación de estudiantes de las carreras de ingeniería de una universidad pública y privada de la región Tacna, en la búsqueda de determinar si la conciencia ambiental, entendida como un sistema de vivencias, conocimientos y experiencias que los estudiantes utilizan activamente en su relación con el medio ambiente, se contrastó si eran producto de la formación que reciben. El tipo de investigación utilizada fue un diseño descriptivo de corte transversal; con una muestra de 356 estudiantes de las carreras de ingeniería provenientes de la Universidad Nacional Jorge Basadre Grohmann (58 %) y Universidad Privada de Tacna (42 %). Para medir la conciencia ambiental se empleó la técnica de la encuesta y para analizar el contenido de las sumillas, una lista de ...

Con el objetivo de evaluar la sustentabilidad ambiental de la actividad olivícola en el agroecosistema del distrito La Yarada - Los Palos, Tacna, se realizaron diversas etapas. En primer lugar, se seleccionaron, priorizaron y diagnosticaron los indicadores más relevantes para evaluar la sustentabilidad, clasificándolos en dimensiones ambientales, sociales y económicas. Para la priorización de los indicadores, se utilizó un Proceso Analítico Jerárquico (AHP) con la participación de 12 expertos. Además, se empleó un cuestionario con preguntas estructuradas, aplicado a una muestra no probabilística de 61 propietarios de unidades productivas, para analizar los indicadores. La investigación se complementó con información de fuentes primarias. Los indicadores priorizados que describen la sustentabilidad del agroecosistema son los siguientes: autonomía de suministros, adaptabili...

In order to evaluate the post-harvest behavior of climacteric fruits, an experimental team was constructed to determine the intensity of respiratory rate in parts per million (ppm) of carbon dioxide (CO2) per unit of mass and time, for which purpose they were used : a K-33ICB sensor for CO2 measurement; Thomas 2000DV / 0,5 / E / LC air pump; a glass water trap with a diameter of 2.5 cm and a useful length of 6 cm; a 0.22 μm hydrophobic filter; a 150 μm particle filter; a breathing chamber with a volume of 5.0 x10-3 m3 constructed of glass with two tabulations for gas exchange and latex ducts. The Gaslab ® software was used to acquire data. In order to evaluate the equipment, Hass avocado fruits (Persea americana) were selected in the degree of physiological maturity with 8.26% of oil, then conditioned in the breathing chamber with an initial weight of one kilogram, then sealed hermeti...

The objective of the research was to estimate the relationship between changes in eating habits and emotional well-being of engineering college students at the Private University of Tacna during mandatory confinement due to COVID-19. The study was descriptive cross-sectional with a sample from 195 participants, two instruments were used; the psychometric scale of depression, anxiety and stress (DASS-21) and an instrument to measure eating habits that were validated by presenting an internal consistency value of α = 0.937 and 0.826 respectively. The variation in eating habits was evaluated using an instrument consisting of 19 items that diagnose whether the participant increased or decreased the consumption of healthy and unhealthy products. For the validation of the results, the DASS was adjusted by means of a confirmatory factor analysis that groups together the levels of stress, anxie...

The main objective was to evaluate the influence of the temperature and velocity of air in the time of dehydration. The raw material was characterized based on the norms of the AOAC, reporting 94,5% of humidity, 3,94 pH; 4,5 ° Brix and 0,93% titratable acidity expressed in citric acid. The dehydration process was carried out with temperatures of 55, 65 and 75 °c at speeds of 0,6; 0,9 and 1,2 m/s, the tomato slices of 5 ± 0,2 mm thick; They underwent a pre-treatment in a solution of sodium metabisulfite to 0,2 % + calcium chloride at 1%, where at the highest temperature the dehydration process culminated in 7 h, while at the lowest temperature dehydrate in 13 h. The percentage of shrinkage of tomato slices was between 18,02 – 28,81. Sensory evaluations carried out with evidence of acceptance by untrained panelists resulted in statistically significant differences in odor, texture and...

The research work was aimed evaluate the sensory characteristics and shelf life of aromatic tea made from plantain (Plantago major L), cinnamon (Cinnamomum verum) and subtle lemon (Citrus aurantifolia swingle). To obtain the results, physicochemical parameters such as humidity and ash were evaluated. Microbiological analyzes were also carried out, such as: Mesophilic Aerobics and Total Coliforms; for the sensory evaluation, the consumers evaluated six treatments of different concentrations, where it was evaluated: Odor, taste, color and general appearance applied to thirty judges. The results showed that in the physicochemical analysis with regard to humidity, it had an average of 87% in plantain, 85% in lemon and 5.35% in cinnamon, ash with 1.79% in plantain, 0.46% in lemon and 4.25% in cinnamon, with respect to the microbiological analysis of the samples, the plantain had a higher leve...

The objective of the research was to determine the perceived value of the consumers of picante a la tacneña with respect to its endogenous and exogenous attributes. The study was based on the theory of perceived value using a multidimensional scale of 16 items. The type of research was a cross-sectional descriptive correlational design. The survey technique was used to collect the information, and the instrument used was a 7-level Likert-type questionnaire. The results show that there are no significant differences between the two attributes. However, positive and significant differences are evidenced independently; of which consistency and hedonism were the most important components, due to the fact that the level of satisfaction regarding consistency and the feeling of pleasure experienced contributed to a greater extent to the creation of perceived value. Similarly, it was determined...

The research aimed to determine potential effects on the introduction of the “octagon” based consumer warning system on the consumption of processed foods that are excessive in nutrients. The research is non-experimental and cross-sectional. The survey was used as a technique, applying a questionnaire to the population aged 15 to 64 from the five most populated districts of the province of Tacna: Colonel Gregorio Albarracín, Tacna, Alto de la Alianza , Ciudad Nueva and Pocollay. For the processing and data analysts the procedure of "Cross Tables" and "Chi - Square" was applied. The results indicate that "Breads and baked goods" are the excessive nutrients that the Tacna population consumes the most. Most of the respondents are unaware of the Law for the Promotion of Healthy Food for Boys, Girls and Adolescents No. 30021, so a high percentage of this ensures that it will generate a p...

Para establecer la relación del nivel de precios, la valoración de beneficios y factores asociados sobre el consumo de productos orgánicos en la ciudad de Tacna, se tuvo que medir los bajos niveles de consumo; el nivel de conocimiento, el nivel de precios, la valoración de beneficios, y el probable efecto de la pandemia COVID 19. La investigación fue de carácter descriptivo y de corte trasversal. La técnica utilizada fue la encuesta, diseñando un cuestionario con 23 preguntas que fueron validadas por alfa de Cronbach de 0,872, el instrumento se aplicó virtualmente a 382 personas entre 18 y 64 años de edad del distrito de Tacna. Para los análisis la muestra fue segmentada en consumidores y no consumidores. Los resultados arrojaron que no existen relaciones significativas (sig. >0,05) entre el nivel de consumo con; nivel de conocimiento, la valoración de beneficios, ni los e...

The increasing development of eco-efficient technologies for obtaining active biocompounds is having more impact on the food and non-food products industry, which has a particular objective, the extraction of active metabolites from the plant matrix of various natural residues of fruits and vegetables. Contributing to health and the use of methodologies that are respectful with the environment, since they try to use solvents that generate less impact on its contamination. Thus, the study of these technologies such as Extraction with  subcritical water, Extraction assisted by microwaves, Extraction with supercritical fluids, seek to optimize their unit processes to be more efficient and sustainable, obtaining greater purity and performance in obtaining bioactive extracts by controlling parameters in the physicochemical properties of the solvents themselves in use. There are also prac...

The objective of the study was to determine the effects of Covid-19 isolation and its relationship to eating habits in two districts of the Tacna region in 2020, identifying the effects on food, food consumption, involuntary food search, food behavior and emotional health of the population. The methodology is non-experimental, transverse, the population studied was composed of settlers from the district of Tacna (urban area) and the district of Locumba (rural area), determining probabilistic samples of 386 and 300 respectively, between the ages of 18 to 64 years. The survey technique was used, developing an instrument with 79.4% reliability (Cronbach alpha) consisting of 19 questions that were categorized into dimensions and analyzed using non-parametric tests of Chi squared. The results indicate that changes in eating habits are related to Covid-19 isolation in the two districts with a ...

The research aimed to identify changes in hygiene habits and impacts on food security in a rural and urban population in isolation by Covid 19 in the Tacna region. The research was non-experimental and cross-cutting the survey was used as a technique, applying a questionnaire to populations aged 18 to 65, from provinces of Candarave representing the rural area and the province of Tacna classified as urban. Pearson's Chi-square statistic was applied for data analysis. The results show significant and positive changes in hygiene habits in food handling that is more noticeable in urban areas than in rural areas, while negative impacts on food security are more evident in rural areas than in urban areas. It is therefore concluded that there were significant impacts as a result of Covid 19 confinement on hygiene habits and food safety.

 The Natural dye demand is growing worldwide. This research is about the extracts of the fruits of (mio-mio) Coriaria ruscifolia L., from which little information is available, but we found in them anthocyanic and polyphenolic compounds   which are great interest as bioactive compounds because of their antioxidant capacity. Nowadays, It is known that flavonoids including anthocyanins from (Mio mio) fruit has anticancer properties and other functional properties that made this study a great interest and can be used as a great source of antioxidant as natural dyes. The objective of the present study was to determine the bioactive compounds and antioxidant capacity of (Mio mio) fruit to use in the food industry. The extraction of their pigments were carried out with acidified methanol and into this extract their anthocyanin characteristics were determined by Visible UV spectroscopy, FTIR...

 The Natural dye demand is growing worldwide. This research is about the extracts of the fruits of (mio-mio) Coriaria ruscifolia L., from which little information is available, but we found in them anthocyanic and polyphenolic compounds   which are great interest as bioactive compounds because of their antioxidant capacity. Nowadays, It is known that flavonoids including anthocyanins from (Mio mio) fruit has anticancer properties and other functional properties that made this study a great interest and can be used as a great source of antioxidant as natural dyes. The objective of the present study was to determine the bioactive compounds and antioxidant capacity of (Mio mio) fruit to use in the food industry. The extraction of their pigments were carried out with acidified methanol and into this extract their anthocyanin characteristics were determined by Visible UV spectroscopy, FTIR...

 The Natural dye demand is growing worldwide. This research is about the extracts of the fruits of (mio-mio) Coriaria ruscifolia L., from which little information is available, but we found in them anthocyanic and polyphenolic compounds   which are great interest as bioactive compounds because of their antioxidant capacity. Nowadays, It is known that flavonoids including anthocyanins from (Mio mio) fruit has anticancer properties and other functional properties that made this study a great interest and can be used as a great source of antioxidant as natural dyes. The objective of the present study was to determine the bioactive compounds and antioxidant capacity of (Mio mio) fruit to use in the food industry. The extraction of their pigments were carried out with acidified methanol and into this extract their anthocyanin characteristics were determined by Visible UV spectroscopy, FTIR...

 The Natural dye demand is growing worldwide. This research is about the extracts of the fruits of (mio-mio) Coriaria ruscifolia L., from which little information is available, but we found in them anthocyanic and polyphenolic compounds   which are great interest as bioactive compounds because of their antioxidant capacity. Nowadays, It is known that flavonoids including anthocyanins from (Mio mio) fruit has anticancer properties and other functional properties that made this study a great interest and can be used as a great source of antioxidant as natural dyes. The objective of the present study was to determine the bioactive compounds and antioxidant capacity of (Mio mio) fruit to use in the food industry. The extraction of their pigments were carried out with acidified methanol and into this extract their anthocyanin characteristics were determined by Visible UV spectroscopy, FTIR...