Publication:
Utilización del suero de mantequilla y suero ácido para la elaboración del yogurt griego

dc.contributor.advisor Ponce de León González, Leyda
dc.contributor.author Figueroa Nieves, Jesenia M.
dc.contributor.college College of Agricultural Sciences en_US
dc.contributor.committee Plaza, María
dc.contributor.committee Pérez, Fernando
dc.contributor.department Department of Food Science and Technology en_US
dc.contributor.representative Lorenzo, Edgardo
dc.date.accessioned 2019-05-24T08:44:26Z
dc.date.available 2019-05-24T08:44:26Z
dc.date.issued 2019-05-14
dc.description.abstract El YG es un yogurt regular al cual se le remueve el suero. Es más costoso producirlo debido a su bajo rendimiento. El objetivo de esta investigación es sustituir la leche por SM y SA en su elaboración. Se realizaron 3 tratamientos YG-L (control), YG-SM y YG-SA, comparando la composición, pH, AT, WHC, textura, viscosidad, y vida útil. Se determinó la preferencia y referencia al control por un análisis sensorial. En el análisis proximal solo mostraron diferencias significativas respecto al control en cenizas y proteínas. Comparando la AT y WHC, no hubo diferencias significativas entre los tratamientos durante su almacenamiento 0, 15 y 28 días. En el pH hubo diferencias los días 15 y 28 entre el YG-SM y el control. La viscosidad mostró una diferencia significativa entre el YG-SM y YG-SA, pero no respecto al control. Para el largo de vida se realizó un análisis microbiológico determinando que su duración es un mes bajo condiciones adecuadas. También, hubo diferencias en el sensorial siendo el control el de mayor preferencia. en_US
dc.description.abstract The GY is a regular yogurt by the removal of acid whey. Because of its low yield, it is more expensive to produce. The objective of this research is to substitute milk with Buttermilk and Acid whey on the yogurt elaboration. Three treatments were made GY-M (control), GY- Buttermilk and GY- Acid whey, comparing compositions, pH, AT, WHC, Texture, viscosity and shelf life. Control reference and preference were determined by a sensorial analysis. In the proximal analysis, only significative differences found in ashes and proteins regarding the control. Comparing the AT and WHC, there were no significative differences between the treatments throughout the storage time 0, 15 and 28 days. In the pH there were differences on days 15 and 28 between the GY- Buttermilk and the Control. The viscosity showed a significative difference between GY-Buttermilk and GY-Acid Whey, but not regarding the control. A microbiologic analysis was done determining its shelf life of a month in the adequate conditions. There were also differences in the sensorial being the control the mainly preference. en_US
dc.description.graduationSemester Spring en_US
dc.description.graduationYear 2019 en_US
dc.description.sponsorship Proyecto HATCH 446 en_US
dc.identifier.uri https://hdl.handle.net/20.500.11801/2429
dc.language.iso es en_US
dc.rights.holder (c) 2019 Jesenia M. Figueroa Nieves en_US
dc.rights.license All rights reserved en_US
dc.subject Yogurt griego en_US
dc.subject Suero ácido en_US
dc.subject Suero de mantequilla en_US
dc.subject Análisis proximal en_US
dc.subject Análisis sensorial en_US
dc.subject.lcsh Whey en_US
dc.subject.lcsh Buttermilk en_US
dc.subject.lcsh Greek yogurt en_US
dc.title Utilización del suero de mantequilla y suero ácido para la elaboración del yogurt griego en_US
dc.type Thesis en_US
dspace.entity.type Publication
thesis.degree.discipline Food Science and Technology Program en_US
thesis.degree.level M.S. en_US
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