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1
artículo
Publicado 2018
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A cross-sectional epidemiological investigation was carried out to determine the risk factors associated with the dissemination of brucellosis to humans in milk processing centres and slaughterhouses in seven cantons of the province of Manabí, Ecuador, between September and November 2015. A census was conducted to quantify farms processing milk, milk processing centres and slaughterhouses. A total of 119 dairy farms, seven slaughterhouses and seven milk processing centres were selected. They were characterized in terms of the types of products produced and on the presence of risk factors as causes of brucellosis in humans. The presence of antibodies against Brucella spp was determined in raw milk by the milk ring test. Results showed that 97.6% of the units make a single product (artisanal cheese). The presence of 85.0% of risk factor was found in milk processing dairies, value higher t...
2
artículo
Publicado 2016
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This article seeks to highlight the difficulties in the chemical processing of dairy products in the experience of a project “Capacity Building for Improving the Competitiveness of Market Chains Dairy in Huaytará Province”, Department of Huancavelica. Which she worked with the communities of the highlands which had craft supplies, lacking proper techniques and with proper oversight in terms of hygiene in the treatment of milk which was strengthened and raised awareness through and provides them with training and training and technical assistance from a multidisciplinary at various annexes Cordova District team. It is suggested that more often this kind of scope of knowledge is carried out by qualified professionals who make a fundamental task for the sake of improving the quality of life of these communities, since the raw material is milk you get a countless products as described i...
3
artículo
Publicado 2019
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The research aims to formulate a food mixture based on quinoa, cañihua, barley, corn, beans and soy using cooking-extrusion technology. The optimal mixture was made with formulations of better chemical computation, the mixture containing 28.8% pearl quinoa, 9.25% cañihua, 5.00% barley, 6.00% bean, 3.00% corn, 8.00% soybeans, 29.50% being favored of sugar, 8.00% of vegetable oil, 0.20% of essence, 2.00% of tricalcium phosphate and 0.25% of vitamins. The mixture was subjected to the extrusion cooking process using 15% humidity, 180° C temperature and 457 rpm, obtaining a gelatinization index 98.30% considering a good cooking index of the instant mixture. The functional characteristics of the selected instant mixture were evaluated obtaining, absorption index with 6.1%, solubility index with 19.8%, expansion index with 1.64 cm and nitrogen solubility index with 35%. The quality of the in...
4
artículo
Publicado 2019
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The research aims to formulate a food mixture based on quinoa, cañihua, barley, corn, beans and soy using cooking-extrusion technology. The optimal mixture was made with formulations of better chemical computation, the mixture containing 28.8% pearl quinoa, 9.25% cañihua, 5.00% barley, 6.00% bean, 3.00% corn, 8.00% soybeans, 29.50% being favored of sugar, 8.00% of vegetable oil, 0.20% of essence, 2.00% of tricalcium phosphate and 0.25% of vitamins. The mixture was subjected to the extrusion cooking process using 15% humidity, 180° C temperature and 457 rpm, obtaining a gelatinization index 98.30% considering a good cooking index of the instant mixture. The functional characteristics of the selected instant mixture were evaluated obtaining, absorption index with 6.1%, solubility index with 19.8%, expansion index with 1.64 cm and nitrogen solubility index with 35%. The quality of the in...
5
artículo
Publicado 2019
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The research aims to formulate a food mixture based on quinoa, cañihua, barley, corn, beans and soy using cooking-extrusion technology. The optimal mixture was made with formulations of better chemical computation, the mixture containing 28.8% pearl quinoa, 9.25% cañihua, 5.00% barley, 6.00% bean, 3.00% corn, 8.00% soybeans, 29.50% being favored of sugar, 8.00% of vegetable oil, 0.20% of essence, 2.00% of tricalcium phosphate and 0.25% of vitamins. The mixture was subjected to the extrusion cooking process using 15% humidity, 180° C temperature and 457 rpm, obtaining a gelatinization index 98.30% considering a good cooking index of the instant mixture. The functional characteristics of the selected instant mixture were evaluated obtaining, absorption index with 6.1%, solubility index with 19.8%, expansion index with 1.64 cm and nitrogen solubility index with 35%. The quality of the in...
6
artículo
Publicado 2019
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The research aims to formulate a food mixture based on quinoa, cañihua, barley, corn, beans and soy using cooking-extrusion technology. The optimal mixture was made with formulations of better chemical computation, the mixture containing 28.8% pearl quinoa, 9.25% cañihua, 5.00% barley, 6.00% bean, 3.00% corn, 8.00% soybeans, 29.50% being favored of sugar, 8.00% of vegetable oil, 0.20% of essence, 2.00% of tricalcium phosphate and 0.25% of vitamins. The mixture was subjected to the extrusion cooking process using 15% humidity, 180° C temperature and 457 rpm, obtaining a gelatinization index 98.30% considering a good cooking index of the instant mixture. The functional characteristics of the selected instant mixture were evaluated obtaining, absorption index with 6.1%, solubility index with 19.8%, expansion index with 1.64 cm and nitrogen solubility index with 35%. The quality of the in...
7
artículo
Publicado 2016
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El presente artículo pretende dar a conocer las dificultades en los procesamientos químicos de productos lácteos en la experiencia del proyecto “Desarrollo de capacidades para el mejoramiento de la competitividad de las cadenas productivas de lácteos en la provincia de Huaytará”, en el departamento de Huancavelica. Este proyecto se trabajó con las comunidades de las zonas altoandinas, quienes contaban con insumos artesanales, careciendo de técnicas adecuadas e higiene en el tratamiento de la leche. Se fortaleció y concienció, a través de la capacitación y asistencia técnica por parte de un equipo multidisciplinario, a los distintos anexos del distrito de Córdova. Se sugiere que se realice continuamente este tipo de alcances de conocimientos por parte de los profesionales calificados, que hacen una labor fundamental en bien del mejoramiento de la calidad de vida de estas ...
8
tesis de grado
Publicado 2023
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The document presents the results of the evaluation of the classification process of milk samples through the modeling of machine learning techniques. The objective of this research was to discriminate the presence or absence of adulterants, which allowed obtaining adequate damages for human consumption. Also, speed up and specify the inspection process of said samples. The relevance of this study can be understood from the product under analysis: milk. This is for mass consumption, especially among children. Due to the above, it is considered relevant to efficiently demonstrate that quality products are provided to the population and this document is a contribution to the reliability of the integrity of dairy products.
9
tesis de grado
El presente trabajo de investigación busca contribuir en la diversificación del uso de Sacha Inchi, una planta nativa de la Amazonía con alto valor nutricional y como alimento funcional por su aporte ácidos grasos esenciales como la omegas 3 y 6, que ayudan a disminuir el colesterol malo y su beneficio para mantener un sistema cardiovascular saludable. El estudio plantea una investigación de efectos fijos y con dos factores (nivel de sustitución de leche de Sacha Inchi 10%, 20%, 30%, 40%, 50% y cultivo lácteo 1%, 2% ,3% durante la fermentación) para lo cual se evaluaron 15 tratamientos mediante análisis físico químicos: Sólidos totales, proteína, pH, acidez titulable (A.O.A.C, 1995), sinéresis por centrifugado a 2500 rpm durante 20 min (DÍAZ, 2004) y viscosidad aparente, medidos en un viscosímetro (RVDY- III ULTRA) usando spindle N°04 a 10 rpm y temperatura de 10°C. La ...
10
artículo
Efficacy of pasteurization and freezing on the inactivation of bovine leukosis virus present in milk
Publicado 2020
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The aim of this work was to evaluate the efficacy of pasteurization and freezing on the inactivation of the bovine leukosis virus present in milk. A bioassay was carried out using 16 sheep. The animals received an intraperitoneal leukocytes inoculum from cow milk with cells infected with bovine leukosis virus (BVL) previously treated with one of the virus inactivation methods. Four study groups were evaluated: a) control group: milk without prior treatment, b) pasteurization group: milk treated by pasteurization, c) 12-hour freezing group: milk treated by freezing for 12 hours, d) 36-hour freezing group: milk treated by freezing for 36 hours. In the week 10 of the inoculation, all animals (4/4) in the control group and 3/4 of the animals in the 12 h freezing group were seropositive for VLB, while no animal was seropositive (0/4) for VLB in the pasteurization and 36-hour freezing groups. ...
11
artículo
Efficacy of pasteurization and freezing on the inactivation of bovine leukosis virus present in milk
Publicado 2020
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The aim of this work was to evaluate the efficacy of pasteurization and freezing on the inactivation of the bovine leukosis virus present in milk. A bioassay was carried out using 16 sheep. The animals received an intraperitoneal leukocytes inoculum from cow milk with cells infected with bovine leukosis virus (BVL) previously treated with one of the virus inactivation methods. Four study groups were evaluated: a) control group: milk without prior treatment, b) pasteurization group: milk treated by pasteurization, c) 12-hour freezing group: milk treated by freezing for 12 hours, d) 36-hour freezing group: milk treated by freezing for 36 hours. In the week 10 of the inoculation, all animals (4/4) in the control group and 3/4 of the animals in the 12 h freezing group were seropositive for VLB, while no animal was seropositive (0/4) for VLB in the pasteurization and 36-hour freezing groups. ...
12
artículo
Publicado 2016
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The National Maternal Perinatal Institute (INMP), within the strategies implemented with the objective of reducing the morbidity andmortality rate with the technical advice of Brazil, inaugurated in 2010 the first Human Milk Bank of the country, with the purpose offeeding With mother’s milk from her own mother or with breast milk donated pasteurized, totally or partially to the preterm born inour institution, primarily to those born with a weight ≤ 1500 grams, as well as to post-surgical newborns. The BLH Responsible foractions of promotion, protection and support to breastfeeding, performs the processes of procuring (donor recruitment, lactationcounseling, etc); Processing or pasteurization of human milk (from this process comes safe milk) and fractionation and distributionaccording to medical indication. In order to carry out our work, we have the support of our collection centers,...
13
artículo
Publicado 2016
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The National Maternal Perinatal Institute (INMP), within the strategies implemented with the objective of reducing the morbidity andmortality rate with the technical advice of Brazil, inaugurated in 2010 the first Human Milk Bank of the country, with the purpose offeeding With mother’s milk from her own mother or with breast milk donated pasteurized, totally or partially to the preterm born inour institution, primarily to those born with a weight ≤ 1500 grams, as well as to post-surgical newborns. The BLH Responsible foractions of promotion, protection and support to breastfeeding, performs the processes of procuring (donor recruitment, lactationcounseling, etc); Processing or pasteurization of human milk (from this process comes safe milk) and fractionation and distributionaccording to medical indication. In order to carry out our work, we have the support of our collection centers,...
14
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...
15
artículo
Publicado 2024
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The objective of this applied experimental research was to evaluate the microbial stabilization of pre-sonicated fresh milk by low temperature thermal treatment (≤60 °C), to reduce its perishability. Fresh milk was sonicated with an energy density of 0.5 kJ/mL before being thermally treated at low temperature (40 to 60 °C) for different times; The pre-sonicated and thermally treated milk was evaluated for its content of Total Mesophilic Aerobes (AMV) and Total Coliforms (TC), and the effect of the treatment on microbial populations was modeled using the Bigelow Model. It was determined that treatments between 40 and 45 °C generated population increases; but those treatments above 55.04 °C for AMV and 49.28 °C for CT initiated microbial inactivation processes, both temperatures being the lowest inactivation temperatures reported so far for fresh milk. The increase in thermal sensit...
16
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...
17
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...
18
artículo
Publicado 2020
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The effect of multinutritional blocks (BMN) based on agro-industrial residues on the production and composition of bovine milk in a tropical region of Peru was evaluated. For the elaboration of the BMN, agro-industrial residues from the processing of rice (rice polishing) and coconut (cake) were used. Twelve native cows were used to graze in paddocks with Brachiaria brizantha distributed in two groups (A and B) of six animals during two periods of 21 days each. Two treatments were established: T0 (grazing without supplementation) and T1 (grazing plus supplementation with BMN). During the first period, group A received T1 and group B received T0, while in the second period the reverse was done. Daily milk production (kg/day), milk composition (protein, fat, lactose, total solids, %) and the level of urea in milk (mg/100 ml) were measured. The change-over design was used to analyze the res...
19
artículo
Publicado 2020
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The effect of multinutritional blocks (BMN) based on agro-industrial residues on the production and composition of bovine milk in a tropical region of Peru was evaluated. For the elaboration of the BMN, agro-industrial residues from the processing of rice (rice polishing) and coconut (cake) were used. Twelve native cows were used to graze in paddocks with Brachiaria brizantha distributed in two groups (A and B) of six animals during two periods of 21 days each. Two treatments were established: T0 (grazing without supplementation) and T1 (grazing plus supplementation with BMN). During the first period, group A received T1 and group B received T0, while in the second period the reverse was done. Daily milk production (kg/day), milk composition (protein, fat, lactose, total solids, %) and the level of urea in milk (mg/100 ml) were measured. The change-over design was used to analyze the res...
20
tesis doctoral
Publicado 2014
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El presente estudio se centra en el análisis de la interacción de la parte preliminar de la cadena láctea (granjeros y lecherías) en el Valle del Mantaro (andes centrales del Perú), para comprender las posibles limitaciones que enfrentan estos dos actores para la implementación de controles y prácticas de calidad de la leche, y para evaluar “ex ante“ cómo las diferentes estrategias para mejorar la calidad de la leche podrían afectar los ingresos de los productores y procesadores. El análisis se basa en tres estudios adicionales realizados en el campo entre 2012 y 2013. Nuestro trabajo ha demostrado que la presencia de una doble cadena, que combina los mercados formales e informales, tiene un impacto directo en la producción de leche a nivel técnico y organizacional, que afecta las posibilidades de que las pequeñas lecherías formales establezcan contratos escritos que in...
