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1
artículo
Publicado 2024
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The quality of potatoes for processing depends on varietal, environmental and crop management factors, and the consumption of potato products has increased.The objective of the research was to determine the effect of calcareous amendments on the production and frying quality of potatoes potato cv. Bicentenaria under high Andean conditions. The research was carried out in the rural community of Canín at Checras district (Lima) altitude of 3880 masl. The climate of the locality is humid and cold, with an annual rainfall of 800 mm and acid soils (pH 5.0) of sandy-clay texture. Five liming treatments and a control without liming were applied to the soil (agricultural lime 500 kg ha-1 and carbonatite 500, 1000, 1500 and 2000 kg ha-1). Agronomic and biochemical characteristics of the tuber were evaluated and sensory analysis was performed for potato frying. Data were analyzed statistica...
2
artículo
Publicado 2024
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The quality of potatoes for processing depends on varietal, environmental and crop management factors, and the consumption of potato products has increased.The objective of the research was to determine the effect of calcareous amendments on the production and frying quality of potatoes potato cv. Bicentenaria under high Andean conditions. The research was carried out in the rural community of Canín at Checras district (Lima) altitude of 3880 masl. The climate of the locality is humid and cold, with an annual rainfall of 800 mm and acid soils (pH 5.0) of sandy-clay texture. Five liming treatments and a control without liming were applied to the soil (agricultural lime 500 kg ha-1 and carbonatite 500, 1000, 1500 and 2000 kg ha-1). Agronomic and biochemical characteristics of the tuber were evaluated and sensory analysis was performed for potato frying. Data were analyzed statistica...
3
artículo
Publicado 1979
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The present work proposes to examine the evolution of the real prices of some food products in the Lima market for the period 53-74, emphasizing the case of the potato. it is about beginning to develop a line of research on the terms of rural-urban exchange and its trajectory in the recent past. It is undoubtedly a complex problem, but it is also decisive for understanding how such heterogeneous forms of production coexist and are articulated, that is, one of the basic characteristics of our economic process, which is uneven development.
4
artículo
Publicado 2011
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The author of this article considered that a thorough understanding of the ritual reference to crops of corn and potato requires joint examination of the peculiarities of the production system, in each case, with the way the Andean world was built and carried out their social practice. Mythology and ritual associated with corn and potato, are complementary and equally important to explain the holistic view of the Andean man. We have to understand the Mother Potato or «Ispall Mama» as an entity that emerges from the underworld, animated in a «Tinku» with the contribution of the stellar universe.
5
artículo
Publicado 2011
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The author of this article considered that a thorough understanding of the ritual reference to crops of corn and potato requires joint examination of the peculiarities of the production system, in each case, with the way the Andean world was built and carried out their social practice. Mythology and ritual associated with corn and potato, are complementary and equally important to explain the holistic view of the Andean man. We have to understand the Mother Potato or «Ispall Mama» as an entity that emerges from the underworld, animated in a «Tinku» with the contribution of the stellar universe.
6
artículo
Publicado 2024
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Organic agriculture is highly valued internationally as it results in significant economic gains for the value chains of various food products. Within the organic certification process, the identification of agrochemical residues in food is vital for screening production lots that come from organic and/or conventional crops. Currently, the analysis of agrochemical residues is performed with highly sophisticated techniques such as liquid chromatography (LC) and gas chromatography (GC) coupled to mass detectors (MS), these techniques are highly expensive and complex. The present review provides insights into how the combination of vibrational spectroscopy with appropriate chemometric techniques (multivariate statistics) can be used to develop methods for classification and quantification of agrochemical residues in various food matrices in a simple way, avoiding the use of toxic reagents, ...
7
tesis de grado
Publicado 2024
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The study evaluated the INIA Real Sicaina and Shulay potato varieties for processing as frozen pre-fried potatoes, given the growing interest in the Peruvian agroindustry. These varieties were compared with imported ones under blanching and pre-frying treatments, highlighting the lack of prior research on local varieties. The main challenge lies in Peru's technological gap, where frozen pre-fried potatoes are not produced due to raw material quality and limited processes. This research tested new varieties and analyzed the impact of treatments on key indicators like color and moisture. The results showed that these varieties have the potential to meet industrial standards, especially under HTST treatment, with the Real Sicaina variety achieving comparable quality levels to imported varieties. This work promotes the development of the Peruvian agroindustry, providing a foundation for futu...
8
tesis de maestría
Publicado 2019
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La investigación tiene como objetivo Demostrar la influencia del programa Hot Potatoes para mejora la comprensión lectora en el área de Lengua Castellana en los estudiantes del grado sexto de educación secundaria, de la Institución Educativa “Álvaro Molina” del municipio de Chaparra- Tolima. La investigación La investigación realizada es aplicada de tipo correlacional ya que tuvo como finalidad establecer el grado de relación o asociación no causal existente entre dos variables (aplicación del programa Hot Potatoes y el desarrollo de la comprensión lectora) a partir de la recolección de datos mediante un instrumento validado.y donde se tomó una muestra correspondiente a 30 estudiantes de los cuales 14 fueron mujeres y 16 fueron hombres. Para el análisis de la información se utilizó estadística descriptiva y para conocer el grado de relación entre variables se emple...
9
tesis de maestría
Publicado 2018
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El presente trabajo académico que lleva como título Uso del software educativo Hot Potatoes para el aprendizaje del área ciencia, tecnología y ambiente en estudiantes del segundo grado de la Institución Educativa Secundaria “Perú Birf” de Juliaca, iniciamos con la utilización de las nuevas tecnologías en la educación que nos permite crear nuevas herramientas para el aprendizaje. En este sentido, las instituciones educativas de Juliaca deben implementar el uso de estas herramientas virtuales, que permiten el desarrollo de la intelectualidad de los estudiantes con ello el conocimiento de la educación y la cultura. El adelanto tecnológico nos ofrece muchas herramientas tecnológicas que son útiles para aplicar en los procesos de aprendizaje. El Programa Hot Potatoes, es un aplicativo que tiene mucha utilidad en el trabajo pedagógico. La importancia de la educación debe ser...
10
artículo
Publicado 2016
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In this paper we present the study to obtain biopolymers from potato starch, for use as a food packaging, starch with acetic acid was changed to 5% yielding a polymer with a 61.76% amylose and 38.28% amylopectin. The elongation and tensile tests showed that the modified starch presented better mechanical property. Also, additives were added to the films by modified starch for to make the film improved mechanical properties and texture for this to Xathan Chitosan and were used in different ratios, determining an improved mechanical property of the biopolymer were prepared. This was corroborated by elongation and tensile tests, yielding values of 33% and 8.47 N respectively and the Infrared spectroscopy -vis made Uv showing characteristic peaks biopolymers cellulose and good transmittance of 87%. All samples were obtained following the Taguchi method.
11
artículo
Publicado 2015
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There are many varieties of native potatoes grown in different regions of Peru, usually for farmers´ consumption. However, the possibility of a commercial use has led this work in order to give them added value. To evaluate the possibility of use of native starch from these potatoes, as an ingredient in the food industry, it was presented as objective to determine the physicochemical, functional and viscoelastic native potato starches obtained from Pampacorral properties (Cuzco, Peru): Puka Ambrosio (PA), Combe (CO), Perwanita (PER), Kalis qero (KQ), Qello virondos (QEV), Yana churos (YACH), Pitikiña (PI), Yana kusi (YAKU) y Solischa (SOL). For this purpose, slurries were prepared from native starch by heating until gelatinization. Moisture sorption, swelling and solubility showed were correlated with temperature increment. At 90 °C, PI starch showed greater values for swelling power ...
12
artículo
Publicado 2015
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There are many varieties of native potatoes grown in different regions of Peru, usually for farmers´ consumption. However, the possibility of a commercial use has led this work in order to give them added value. To evaluate the possibility of use of native starch from these potatoes, as an ingredient in the food industry, it was presented as objective to determine the physicochemical, functional and viscoelastic native potato starches obtained from Pampacorral properties (Cuzco, Peru): Puka Ambrosio (PA), Combe (CO), Perwanita (PER), Kalis qero (KQ), Qello virondos (QEV), Yana churos (YACH), Pitikiña (PI), Yana kusi (YAKU) y Solischa (SOL). For this purpose, slurries were prepared from native starch by heating until gelatinization. Moisture sorption, swelling and solubility showed were correlated with temperature increment. At 90 °C, PI starch showed greater values for swelling power ...
13
artículo
Publicado 2017
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The investigation industrial ( capiro ) in her saw focuses in the study of potato’s agricultural development Región Huánuco, so much prop the internal market posteriorly in order to the exporting, grouping areas, instructing producers’s CLUSTERS, planning plantings in show to requests concerted. Industrial ( capiro ) that is a strategy, he has permitted generating a new agricultural culture in the region, a new payment culture of credits, has expedited the regional economy Sows it of the potato, sales, jobs and investments have been created to me in the country. The activity of the potato production industrial has minimized the migratory effect of the producers toward the jungle for lack of opportunity, at least in the zones where have developed me the productive programs, in the production zones of the potato industrial observes an important increment in the yearly earnings averag...
14
artículo
Publicado 2025
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This study evaluated potato (Solanum tuberosum L.) productionin the Central Highlands of Peru through theapplication of five types of fermented solid composts,compared with conventional treatments and a control.The study was conducted in Huancayo at 3300 m abovesea level, using composts made from cattle and llamamanure, barley straw, ash, urea, and, in one case, cellu-lolytic bacteria. The composts were applied in two doses (5 and 10MT ha⁻¹), and agronomic variables such as fresh weight of total,marketable, non-marketable, and damaged tubers were evaluated.In addition, an economic analysis was performed using the partialbudget method. The results indicated that composts 1, 2, and 5 presentedthe best agricultural and economic yields. The 10 MT ha⁻¹dose showed greater efficacy in terms of total and marketable yield.Economically, all composts outperformed chemical fertilizer at the 5M...
15
artículo
Publicado 2013
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Were evaluated four native varieties of potato: yellow runtus (Solanum goniocalyx), huayro (Solanum chaucha), peruanita (Solanum goniocalyx Juz. & Bukasov) and huamantanga (Solanum tuberosum andigena), from the peruvian highlands, province of Huancayo, department of Junin. These potato varieties had an average diameter greater than 30 mm, with rounded and elongated shapes, having yellow and reddish skin. The dry matter content was 22,98 to 31,80%, showing a direct relationship with the specific gravity and the starch content (17,50 to 26,20%). The high content of starch and dry matter found, classified them as high quality tubers culinary, being suitable for the manufacture of dried products fried products. The dry samples, in grams percent, showed: total protein 6,75 to 10,54; ethereal extract 0,22 to 0,35; ash 2,23 to 3,79; raw fiber from 1,48 to 2,33; carbohydrates from 84,01 to 8...
16
artículo
Publicado 2016
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The potato (Solanum tuberosum) is an important source of starch which is underused in Peru, as are mainly imported potato starch, for has not been achieved yet, industrialization starch extraction is a success. This study aimed to obtain, characterize and modify chemically by acetylation, starch of a commercial potato variety, Unique. Extraction was performed with water and chemical modification was performed by acetylation using acetic anhydride at different levels (% v/w starch): 5, 10 y 15%. Native starch and modified starch were characterized: proximate composition, clear gel, apparent viscosity and stability to the freeze, also the percentage of acetyl groups (GA) was measured. The extraction yield was 16.5% and the apparent viscosity of native potato starch was 25000 mPas. Also starch modified with 15% acetylation for application in a cream ice cream because of their functional ...
17
artículo
Publicado 2016
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The potato (Solanum tuberosum) is an important source of starch which is underused in Peru, as are mainly imported potato starch, for has not been achieved yet, industrialization starch extraction is a success. This study aimed to obtain, characterize and modify chemically by acetylation, starch of a commercial potato variety, Unique. Extraction was performed with water and chemical modification was performed by acetylation using acetic anhydride at different levels (% v/w starch): 5, 10 y 15%. Native starch and modified starch were characterized: proximate composition, clear gel, apparent viscosity and stability to the freeze, also the percentage of acetyl groups (GA) was measured. The extraction yield was 16.5% and the apparent viscosity of native potato starch was 25000 mPas. Also starch modified with 15% acetylation for application in a cream ice cream because of their functional ...
18
artículo
Publicado 2025
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Agricultural activity in recent decades has been affected by climate change, reducing harvests year after year; hail can damage crops depending on the size and intensity of the hail, potentially harming or even compromising the crop as a total loss. Understanding climate changes and the damage they cause in agriculture is essential for planning production systems, crop selection, seed variety, fertilizer application, among other actions. Once the potato crop is damaged by hail, it is important to know the resilience of the crop and take actions to continue or replace the crop. The objectives were to determine the resilience of the potato crop (Solanum tuberosum L.) against hail simulations at CIP Illpa; analyze the yields of the potato crop with different percentages of damage to the crop and analyze resilience in different phenological phases. The research methodology has a quantitative...
19
artículo
Publicado 2010
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Background: There are therapeutic alternatives in Peru with empirical native products such as potato juice. Objectives: To assess the antioxidant capacity and the gastric mucosa cytoprotection effect by Solanum tuberosum juice. Design: Experimental. Institution: Research Center of Biochemistry and Nutrition, Faculty of Medicine, Universidad Nacional Mayor de San Marcos. Biological materials: Solanum tuberosum, tomasa variety, and male albino rats. Methods: Oral solid fractions of supernatant and sediment from Solanum tuberosum juice were administered to fasting rats and an hour later, alcohol was given for gastric injury; gastric tissue was obtained by laparotomy. Oxidative stress was measured in the gastric mucosa by lipoperoxidation, formation of mucus by alcian blue, and the extent of protection by measuring lacerated areas in scanned image. Main outcome measures: Antioxidant capacity...
20
artículo
Publicado 2017
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This research was aimed to evaluate the effect of Agricultural Extension Strategy::School of Camp,in the training potato farmers for use as seed, in the process of strengthening its technologicalcapabilities and the adoption of techniques for obtaining greater crop productivity due to lack ofinformation in this sense that describes not only the methodological and strategic needs of the type“input intellectuals” to which must answer all agenda that has this purpose, taking into consideration,quantifiers parameters as yields per area, the quality of the harvested product and this coupled withthe degree of evolution of the strengths of their capabilities in the development of the educationalprocess of teaching - learning and achieve the expected results, since the programs or trainingprojects agricultural producers and especially for those who are engaged in seed production shouldrespon...
