Obtención y caracterización de aceite de frutos secos virgen
Author | : José Emilio Pardo González |
Publisher | : |
Total Pages | : 0 |
Release | : 2022 |
Genre | : |
ISBN | : 9788412597035 |
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Author | : José Emilio Pardo González |
Publisher | : |
Total Pages | : 0 |
Release | : 2022 |
Genre | : |
ISBN | : 9788412597035 |
Author | : Alberto Vega Turizo |
Publisher | : |
Total Pages | : 92 |
Release | : 2004 |
Genre | : Oils and fats, Edible |
ISBN | : 9789586981606 |
Author | : Luisa Fernanda Amaya |
Publisher | : |
Total Pages | : |
Release | : 2005 |
Genre | : |
ISBN | : |
Resumen: EN LA REALIZACION DE ESTE TRABAJO DE GRADO, SE UTILIZARON SEMILLAS DE LUFFA CYLINDRICA CON Y SIN BENEFICIO DE PROCEDENTES EN LOS DEPARTAMENTOS DEL VALLE (MUNICIPIO DE OBANDO) Y RISARALDA (CORREGIMIENTO DE MORELIA, ZONA RURAL DE PEREIRA), SUMINISTRADAS POR LA EMPRESA ESTROCOL, PARA LA EXTRACCION Y CARACTERIZACION DEL ACEITE. SE REALIZO UN ESTUDIO DE LAS PRINCIPALES CARACTERISTICAS FISICAS Y QUIMICAS COMO DENSIDAD, INDICE DE REFRACCION, INDICE DE ACIDEZ, INDICE DE PEROXIDOS, INDICE DE YODO E INDICE DE SAPONIFICACION. TAMBIEN SE HIZO UN ANALISIS DE COMPOSICION DE ACIDOS GRASOS DEL ACEITE POR CROMATOGRAFIA DE GASES DE ALTA RESOLUCION. FINALMENTE SE HIZO EL ANALISIS ELEMENTAL DE LA TORTA EMPLEANDO ESPECTROSCOPIA DE ABSORCION ATOMICA, ESPECTROFOTOMETRIA VISIBLE Y TECNICAS VOLUMETRICAS.
Author | : Natalia Toro Zapata |
Publisher | : |
Total Pages | : 0 |
Release | : 2012 |
Genre | : |
ISBN | : |
Resumen: Se llevo a cabo la caracterización física y química del aceite de las semillas de Vitis labrusca L. (uva Isabella), obtenidas como desecho del procesamiento de la pulpa para jugo, siguiendo los procedimientos descritos en las normas ICONTEC para grasas y aceites.Las semillas fueron lavadas y secadas (durante 2 días a 40oC), luego fueron molidas en presencia de nitrógeno líquido; la extracción se realizó con n-hexano. Los parámetros físicos evaluados fueron: densidad (0.9246g/cm3) e índice de refracción (1.4753 a 23oC). Los químicos: índice de acidez (2,1870 % de ácido oleico), índice de peróxidos (0 meq de O2/Kg), índice de saponificación (175.1161) meq KOH/g) e índice de yodo (136.6853 cg de I2/g). Según el análisis por Cromatografía de gases-espectrometría de masas, los ácidos grasos mayoritarios son el ácido linoleico conjugado (53,843%), el oleico (E) (24,671 %) y el palmítico (13,922 %). De acuerdo con el análisis de vitamina E por CLAE, en el aceite están presentes los siguientes isómeros de tocoferoles y tocotrienoles: Tocotrienol, -Tocotrienol, -Tocotrienol, -Tocoferol, -Tocoferol, -Tocoferol. En la materia insaponificable, se identificaron los siguientes fitoesteroles: Campesterol (9,691%), Estigmasterol (10,161%), Campestanol (7,276%), siendo el Beta-sitosterol el mayoritario (72,870%).La actividad antioxidante (capacidad captadora de radicales libres) se determinó empleando el parámetro del IC50 (42,62% de inhibición). Se realizó el seguimiento de estabilidad del aceite de las semillas de uva Isabella mediante el estudio del índice de acidez y peróxidos durante dos meses consecutivos, se observó que se puede obtener un aceite estable hasta la cuarta semana después de su extracción, pasado este tiempo, el aceite sufre un acelerado proceso de degradación oxidativa.
Author | : Acarigua Acarigua Press |
Publisher | : |
Total Pages | : 38 |
Release | : 2016-07-11 |
Genre | : |
ISBN | : 9781535230445 |
Considerable controversy exists regarding the association between dietary calcium intake and risk of mortality from cardiovascular disease and all causes. Therefore, we performed a meta-analysis of prospective cohort studies to examine the controversy. Proceeds from the sale of this book go to support an elderly disabled person.
Author | : Marta Peris-Ortiz |
Publisher | : Springer |
Total Pages | : 280 |
Release | : 2015-12-01 |
Genre | : Business & Economics |
ISBN | : 3319188577 |
The aim of this book is to show how wine tourism can be used as a model for sustainable economic development, driving economic growth and social development in some locations. It will explore the interaction between tourism and viticulture in wine tourism destinations, while also explaining some of the repercussions of these activities. This book covers various topics including regional development, environmental management, sustainable viticulture, quality management in wineries and wine tourism routes among others. Wine tourism, which combines two important yet distinct economic activities (i.e., tourism and viticulture), has recently emerged as a new tourism product driven by tourists’ search for new experiences and wineries’ need to diversify their businesses and seek new revenue streams to boost sales. This new form of tourism, which typically takes place in rural areas and which combines wine production with tourist activities, is becoming important for such regions by providing a complementary income source. It provides a model for sustainable economic development for these regions, which for various reasons may otherwise struggle to develop. Featuring cases and business implications from various locations, this book provides an important source of knowledge—both theoretical and practical—suitable to academics, scholars, researchers, and practitioners in the tourism sector and the wine industry.
Author | : Dolores Corella |
Publisher | : MDPI |
Total Pages | : 231 |
Release | : 2018-07-10 |
Genre | : Medical |
ISBN | : 3038429953 |
This book is a printed edition of the Special Issue "Nutrigenetics" that was published in Nutrients
Author | : Joules L. Quiles |
Publisher | : CABI |
Total Pages | : 403 |
Release | : 2006 |
Genre | : Technology & Engineering |
ISBN | : 184593072X |
Written by leading experts, this book reviews the current research evidence for the health benefits of a diet rich in olive oil. It focuses on the role of olive oil in reducing the incidence of certain types of cancer, cardiovascular diseases, inflammatory bowel disease and diabetes, and the effect of olive oil on the immune system.
Author | : Fernando E. Vega |
Publisher | : Academic Press |
Total Pages | : 641 |
Release | : 2014-12-29 |
Genre | : Science |
ISBN | : 0124171737 |
Bark Beetles: Biology and Ecology of Native and Invasive Species provides a thorough discussion of these economically important pests of coniferous and broadleaf trees and their importance in agriculture. It is the first book in the market solely dedicated to this important group of insects, and contains 15 chapters on natural history and ecology, morphology, taxonomy and phylogenetics, evolution and diversity, population dynamics, resistance, symbiotic associations, natural enemies, climate change, management strategies, economics, and politics, with some chapters exclusively devoted to some of the most economically important bark beetle genera, including Dendroctonus, Ips, Tomicus, Hypothenemus, and Scolytus. This text is ideal for entomology and forestry courses, and is aimed at scientists, faculty members, forest managers, practitioners of biological control of insect pests, mycologists interested in bark beetle-fungal associations, and students in the disciplines of entomology, ecology, and forestry. - Provides the only synthesis of the literature on bark beetles - Features chapters exclusively devoted to some of the most economically important bark beetle genera, such as Dendroctonus, Ips, Tomicus, Hypothenemus, and Scolytus - Includes copious color illustrations and photographs that further enhance the content
Author | : Food and Agriculture Organization of the United Nations |
Publisher | : Food & Agriculture Org. |
Total Pages | : 228 |
Release | : 1997 |
Genre | : Food |
ISBN | : 9789251039366 |
Papers from the FAO Expert Consultation on Nutrition Education for the Public, 18-22 September 1995. - For the report of this conference, see FAO Food & Nutrition Paper 59 (ISBN 9251037973)