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1
artículo
Publicado 2024
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The objective of this study was to assess the effects of saponins derived from Chenopodium quinoa by-products on methane (CH4) production in a ruminal fermentation system under in vitro conditions. Additionally, the study included the analysis of short-chain fatty acids (SCFAs) and true dry matter digestibility (TDMD). The saponin extracts obtained from three quinoa varieties were Altiplano (AS), Quillahuaman (QS), and Salcedo (SS), and were tested at six different doses (0, 0.2, 0.4, 0.6, 0.8, and 1.0mg/mL) each. Rumen fluid was obtained from two fistulated Junín breed sheep, with alfalfa hay (AH) and a 1:1 mixture of maize and bran (MB) was used as basal substrates. The data were processed in a completely randomized design and replicated three times. The CH4 per dry matter (mL/g DM), after 24h of incubation significantly decreased, acetate molar concentration decreased (p<0.05) with A...
2
artículo
Publicado 2022
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The following study has as purpose giving knowledge about the chemical and nutritional content of the vhite quinua coming from the main areas of production of our country, as well as it diffuseness of its nutritional value inside the population, contributing to improve the level and quality of life of peruvians.For this study, it was taken 30 samples of white quinua coming from different mountain soils of Junín, Puno, Apurímac, Cusco y Ancash deparments (six samples for each one).They were obtained at random from the cultivated fields. The circunstances of this work was when the crop of this species was carried out and taken to the regional markets.We proceeded to the determination of the protein content by the method of Microkjeldhal, aminoacids content by liquid cromatography of high performance, Fat determination, carbohydrates, ash, fiber, humidity and temperature according to Peru...
3
tesis de grado
Publicado 2021
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Se realizó un estudio de prefactibilidad para la instalación de una planta productora de chorizo precocido a base de carne de cuy enriquecido con quinua, por el que se determinó la viabilidad de mercado, técnica, económica, financiera, medioambiental y social del proyecto. El desarrollo del presente trabajo, surgió a partir de la problemática identificada en el Perú, en la que, según la Organización Panamericana de la Salud y cifras obtenidas por el Instituto Nacional de Estadística e Informática, existe un gran porcentaje de enfermedades relacionadas al cáncer, diabetes, enfermedades respiratorias crónicas y cardiovasculares y desnutrición crónica en niños. Por ello, se buscó desarrollar un producto saludable, dado los grandes beneficios para la salud de la carne de cuy y la quinua, como fuente de proteínas y de ácidos grasos y aminoácidos esenciales, entre otros ap...
4
artículo
Publicado 2025
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The objective of this study was to conduct agricultural zoning of climate risk for quinoa cultivation. Data from 38 meteorological stations of the National Meteorology and Hydrology Service in Puno region were used. The zoning was based on the development of the water balance model, applying the water requirement satisfaction index (ISNA), for two levels of soil available water capacity (115 mm/m and 145 mm/m). Spatial analysis of the ETr/ETm ratio, obtained from the SARRAZON model, was carried out for each phenological stage through frequency analysis of ISNA values. These data were processed in ArcGIS10.0, using the ordinary kriging interpolation method. Once the maps were generated, they were clipped to the quinoa production zones of the region and classified as follows: for Phase I: low risk (ISNA ≥ 0.65); medium risk (0.55 < ISNA < 0.65) and high risk (ISNA ≤ 0.55), consid...
5
tesis de grado
Publicado 2017
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Esta investigación no hubiera sido posible sin el apoyo y el financiamiento de CIENCIACTIVA, CONCYTEC y UNSA.
6
artículo
Publicado 2014
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The process of hydrolysis was carried out on a suspension of quinoa flour in water in a proportion of 1 in10 parts of water, previously gelatinized, to which was added an equivalent suspension of enzymes of 1,5 g/1000 g (50% of alpha amylase and 50% protease). With that, proteins were solubilized and starch was reduced to reducing su- gars, obtaining a liquid product at an average concentration of 8,5% that was later con- centrated to 45% of total solids. The hydrolysis process allows, on the basis of 1 kg of quinoa flour, toobtain80 to 85% of hydrolyzed material from20 to 15% of cellulosic residue, proteins and carbohydrates, non-digestible by the enzymes. The experiences that were carried out brought as results the following optimum values of kinetic parameters: Concentration of substrate: 10,0 %; Temperature: 60 ºC; pH: 5,0 and enzyme con- cent...
7
artículo
Publicado 2014
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The process of hydrolysis was carried out on a suspension of quinoa flour in water in a proportion of 1 in10 parts of water, previously gelatinized, to which was added an equivalent suspension of enzymes of 1,5 g/1000 g (50% of alpha amylase and 50% protease). With that, proteins were solubilized and starch was reduced to reducing su- gars, obtaining a liquid product at an average concentration of 8,5% that was later con- centrated to 45% of total solids. The hydrolysis process allows, on the basis of 1 kg of quinoa flour, toobtain80 to 85% of hydrolyzed material from20 to 15% of cellulosic residue, proteins and carbohydrates, non-digestible by the enzymes. The experiences that were carried out brought as results the following optimum values of kinetic parameters: Concentration of substrate: 10,0 %; Temperature: 60 ºC; pH: 5,0 and enzyme con- cent...
8
artículo
Publicado 2014
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The process of hydrolysis was carried out on a suspension of quinoa flour in water in a proportion of 1 in10 parts of water, previously gelatinized, to which was added an equivalent suspension of enzymes of 1,5 g/1000 g (50% of alpha amylase and 50% protease). With that, proteins were solubilized and starch was reduced to reducing su- gars, obtaining a liquid product at an average concentration of 8,5% that was later con- centrated to 45% of total solids. The hydrolysis process allows, on the basis of 1 kg of quinoa flour, toobtain80 to 85% of hydrolyzed material from20 to 15% of cellulosic residue, proteins and carbohydrates, non-digestible by the enzymes. The experiences that were carried out brought as results the following optimum values of kinetic parameters: Concentration of substrate: 10,0 %; Temperature: 60 ºC; pH: 5,0 and enzyme con- cent...
9
artículo
Publicado 2014
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Se Teniendo en cuenta que un producto, como la “quinua” es lo suficientemente nutritivo y digerible; es necesario que tenga un grado de hidrólisis que permita solubilizar la proteína, almidón, fibras, etc. cambiando sus propiedades organolépticas para hacerlo más aceptable y aprovechable. Por ello la investigación se orientó a determinar los parámetros cinéticos de pH, temperatura y concentración de sustrato que permitan el proceso de hidrólisis de harina de “quinua” en una proporción de 1 en 10 partes de agua, previamente gelatinizada, a la cual se le adicionó una suspensión de enzimas equivalente a 1,5g/1000 g (50% de alpha amilasa y 50 % de proteasa). Con lo cual se logro solubilizar las proteínas y reducir el almidón a azucares reductores, obteniéndose un producto liquido a una concentración promedio del 8,5 %, que fue posteriormente concentrado a 45 % de s...
10
tesis doctoral
Publicado 2022
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Universidad Nacional Agraria La Molina. Escuela de Posgrado. Doctorado en Ciencias e Ingeniería Biológicas
11
tesis de grado
Publicado 2018
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Universidad Nacional Agraria La Molina. Facultad de Industrias Alimentarias. Departamento Académico de Ingeniería de Alimentos y Productos Agropecuarios
12
tesis de grado
Publicado 2016
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Universidad Nacional Agraria La Molina. Facultad de Industrias Alimentarias. Departamento Académico de Ingeniería de Alimentos y Productos Agropecuarios
13
tesis de grado
Publicado 2003
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With the publications made it concerning to the Uncaria tomentosa (Cat's Claw) about its healing properties, generated a Boom toward to cosume this plant such a moment, of put in danger of draining or extinction. In front of this problem we search ways to help its recovery in the woods for profit to the native communities and the consumer market. The current research, it´s design certainly for fulfill these objectives, alhuugh the used techniques give us a production for to satisfy the demand from the internal and external market, in which studied multiplication’s protocols in vitrio from the Uncaria tomentosa since of seeds as nodal segments in different hormonal concentrations from Citoquinina BAP; and it was perform in the laboratory for cultive of vegetables tissue of the Agrarian Sciences Faculty from the University National of San Martin-Tarapoto- Perú. The design employed was ...
14
objeto de conferencia
Publicado 2020
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RESUMEN El presente trabajo estudió las isotermas de adsorción a 25 °C de harina de tres variedades de quinua (Chenopodium quinoa Willd.): INIA Salcedo (IS), Pasankalla Roja (PR) y Negra Collana (NC) sin maltear y malteada, así como su vida útil. Las isotermas fueron determinadas colocando 2g de muestra en un analizador de actividad de agua. Se programaron lecturas de 0.05 a 0.90 de actividad de agua, para construir las isotermas y la humedad inicial se determinó por el método gravimétrico. Los datos experimentales fueron ajustados con los modelos matemáticos de GAB, BET, Henderson, Halsey y Oswin. La bondad del ajuste se evaluó con el coeficiente de regresión y el porcentaje de error medio relativo (%E). Como resultado se verificó que el modelo de GAB y Oswin presentaron un buen ajuste de los datos experimentales con un coeficiente de correlación superior a 0.98 y un %E men...
