Bastidas Cevallos, Yomaira Elizabeth; Vaca Viracucha, Josselyn Karina (sep-2018) - [Director: Maldonado Rodríguez, María Elena]

Currently, antibiotic resistance worldwide is a serious problem that worsens every day, which is why the pharmaceutical, biotechnology and health industries are destined to provide solutions to this problem, for which they have joined forces to create new antibiotics obtained from natural...

Cobos Yanez, Diana Beatriz (abr-2015) - [Director: Maldonado Rodríguez, María Elena]

The present study has for aim evaluate the cosmetic efficiency of a cream elaborated based on flesh of cherimoya (Annonna cherimola) since it agrees with the reports in the bibliography offers an excellent alternative to be used in the cosmetic industry for possessing big quantities of present...

Mosquera Tayupanta, Tatiana de los Ángeles (mar-2014) - [Director: Maldonado Rodríguez, María Elena]

Cosmetic represent a developing market. Whereas all need cosmetic preservatives, ingredients capable of controlling the microbial load to acceptable levels during the period of use of the product and within lifetime. The investigation of ingredients that can fulfill this role is interesting, much...

Argüello Bravo, Augusta Natali; Banda Córdova, Vanesa Alexandra (dic-2016) - [Director: Maldonado Rodríguez, María Elena]

Bee honey is a product used by man for many years as a source of food for its nutritional or medicinal purposes, for treatments of some diseases because it has beneficial properties as anti-inflammatory and healing; The objective of our investigation is to determine the physical, chemical and...

Álvarez Mesías, Johanna Patricia; Sánchez Casamen, Estefanía Raquel (dic-2016) - [Director: Maldonado Rodríguez, María Elena]

This research work shows the studies physicochemical and biological properties of five samples of honey bee (Apis mellifera. L.) they are regularly sold in the Quito´s supermarkets in order to show its wide applications in both industry food in the field of medicine, as well as compliance...

Maldonado Rodríguez, María Elena (nov-2006) - [Director: Dacarro, Cessare]

The study of the chemical composition of the essential oil of Mircianthes rhopaloides McVaugh, Myrtaceae family, carried out by means of the technique of gas-chromatography coupled to mass-spectometer, allowed to identify that the essential oil contains a mixture of the following component main...

Beltrán Ortiz, Jessica Alexandra (mar-2015) - [Director: Maldonado Rodríguez, María Elena]

Actinomycetes are ubiquitous microorganisms in the soil, stagnant water, contaminated environments, etc. They are considered in the borderline between bacteria and fungi by their morphological and reproductive characteristics very similar to both groups of microorganisms. They are usually...

Espinel Alvarez, Sebastián Francisco (mar-2016) - [Director: Maldonado Rodríguez, María Elena]

Actinomycetes are the second most abundant group of microorganisms found in: soil, stagnant water, contaminated environments, etc. They are considered within the boundary between bacteria and fungus, they have characteristics, morphological and reproductive very similar to the two groups of...

Daza Vélez, Andrés Fernando; Pineda Chávez, Juan Carlos (abr-2014) - [Director: Maldonado Rodríguez, María Elena]

This research intends to find microorganisms capable of biotransform the bile acids salts: cholate and sodium dehydrocholate, which are residues generated during the chemical synthesis out of the ursodeoxycholic acid. Against this, this investigation was able to evaluate the capacity of using...

Calvachi Echeverría, Michelle Nathaly (abr-2016) - [Director: Maldonado Rodríguez, María Elena]

Actinomycetes are microorganisms that they found in the limit between fungi and bacteria, they being generally Gram positive and Gram negative. They are usually distributed in nature, especially in soil, and water. The research found actinomycetes able to biotransform the sodium salt of cholic...

Basantes Carrillo, Christopher Ricardo (oct-2020) - [Director: Maldonado Rodríguez, María Elena]

La planta Ilex guayusa crece en la Amazonía y es utilizada por los nativos a la cual se le atribuye varios beneficios, uno de los principales es su propiedad estimulante y energética, esto se debe a que uno de los principales componentes de la guayusa es un alcaloide de nombre cafeína, que es parte...

Musuña Rojas, Gilson Alexis; Varela Villarroel, Sebastián Daniel (feb-2020) - [Director: Maldonado Rodríguez, María Elena]

Las infecciones del tracto urinario (ITU) son frecuentes en hombres y mujeres de todo el mundo, en el Ecuador, 4 de cada 10 habitantes las presentan con mayor incidencia en mujeres, las principales bacterias uropatógenas son Escherichia coli y Staphylococcus saprophyticus. Vaccinium floribundum...

Vega Picón, María Agusta (feb-2015) - [Director: Maldonado Rodríguez, María Elena]

The current trend in cosmetics is to offer natural and organic cosmetics that are friendly to the environment. The cosmetics industry should respond to this demand by developing raw materials to be accordance with this new preference, within these, the remarkable use of preservatives, whose main...

Núñez Reinoso, José Alejandro; Sierra Arias, César David (feb-2018) - [Director: Maldonado Rodríguez, María Elena]

The microorganisms have acquired resistance to various antibiotic substances due to their ability to generate different adaptation mechanisms in stress conditions due to the misuse of antimicrobial substances. Resistance to these substances has increased throughout the world, causing very high...

Chávez Caravajal, Patricia Alexandra; Espinosa García, María Daniela (dic-2011) - [Director: Maldonado Rodríguez, María Elena]

En la actualidad las empresas son más competitivas, enfrentan nuevos mercados y los consumidores exigen cada vez más atributos de calidad en los productos que adquieren, siendo una característica esencial e implícita la inocuidad (Ramírez, I., 2011). La Fundación Chankuap es una Organización No...