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Evaluación del poder antioxidante, propiedades fisicoquímicas y composición fitoquimica de extractos de semilla de bactris gasipaes para formulaciones dermocosméticas
Evaluation of the antioxidant power, physicochemical properties and phytochemical composition of seed extracts of bactris gasipaes for dermocosmetic formulations 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo; Ramírez Arguedas, Nils Antonio; Baltodano Viales, Eleaneth; Blanco Barrantes, Jeimmy; Loría Gutiérrez, Arlene (2019)
Bactris gasipaes es una palmera de la cual se obtiene una fruta conocida comúnmente en Costa Rica como Pejibaye, es autóctona de América Central, muy común en la alimentación de Costa Rica, por su alto contenido de almidón ...
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Physicochemical characterization of therapeutic peloids from the surroundings of Costa Rica Arenal Volcano 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo; Ramírez Arguedas, Nils Antonio (2015)
Costa Rica is a volcanic country, containing a variety of peloids with different physicochemical properties; also its main source of income is the tourism. Most of their abundant natural resources have not been characterized ...
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Determination of the Impact Caused by Direct Compression on the Crystalline State of Rupatadine Fumarate 10 mg Tablets 

Castillo Henríquez, Luis; Vargas Zúñiga, Rolando; Madrigal Redondo, German; Carazo Berrocal, Gustavo; Hanley Vargas, Georgia (2019-11-08)
The aim of this study is to determine the impact caused by direct compression on the crystalline state of two prototypes of Rupatadine fumarate 10 mg tablets. The tablets were manufactured through direct compression. ...
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Design of Experiments for the Establishment of the Dissolution Test Conditions of Rupatadine Fumarate 10 mg tablets 

Castillo Henríquez, Luis; Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo (2019)
Design of Experiments (DoE) is a statistical model that aims to determine if the factors under study affect the response, and if so, it determines the conditions under which this variable of interest can be optimized. In ...
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Quality control performed on liposomal formulations based on guarana extract, vitamins a, c, e, b1, b2, b5, b6, b12, biotin and folic acid, used as nutritional products 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Chavarría Rojas, Marianela; Sibaja Rodríguez, Santiago; Chaves Noguera, Sindy (2017)
The study of has increased in the last decades. One of the mechanisms that has acquired great relevance is to formulate using liposomal vesicles. Liposomes are structures that enh and transport of active compounds, which ...
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Physicochemical Characterization of a Liposomal Formulation Based on Glucosamine and Vitamin D, Commercialized as a Nutritional Supplement 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Chavarría Rojas, Marianela; Sibaja Rodríguez, Santiago; Chaves Noguera, Sindy (2018)
In the last years, the transport and release mechanism of bioactive compounds has been studied. The liposomes are multivesicular systems that enhance the absorption, stability, and transport of these compounds. The ...
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Identification of rupatadine fumarate polymorphic crystalline forms in pharmaceutical raw materials 

Castillo Henríquez, Luis; Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo (2018)
Polymorphism analysis of pharmaceutical raw materials is considered one of the most relevant evaluations that should be done. As we know, different crystal forms from the same molecule have differences in terms of their ...

Multi-vesicular phosphatidylcholine liposomes as vehicles for curcumin in a nutritious drinkable formulation 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Chavarría Rojas, Marianela; Sibaja Rodríguez, Santiago; Chaves Noguera, Sindy (2017)
Liposomal vesicles are used as a strategy to enhance the stability and bioavailability of its bioactive components. Large part of its characteristics can be attributed to the likeness between the liposomal and biological ...

Development of immediate release Rupatadine fumarate 10 mg tablets: A Quality by Design (QbD) approach 

Castillo Henríquez, Luis; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo; Madrigal Redondo, German; Calvo Guzmán, Briner; Baltodano Viales, Eleaneth (2019)
The main objective of this research is to develop an immediate release Rupatadine fumarate 10 mg tablets formulation by direct compression, through a Quality by Design approach in Costa Rica. Methods: According to a ...
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Comparison of the antifungal and antibacterial effect of the essential oil and ethanolic extract of the Zingiber officinale Rhizome (Ginger) cultivated in the San Carlos zone, Costa Rica in order to standardize a hydroponic medicinal cultivation of the same 

González Guevara, Jean Carlo; Madrigal Redondo, German; Vargas Zúñiga, Rolando; Rodríguez Sibaja, Santiago (2020)
Introduction: Ginger is a medicinal plant native to India. Its potential use in cosmetics, medicines and natural products has been reported, however depending on the conditions of cultivation the medicinal components of ...
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Vargas Zúñiga, Rolando (22)
Madrigal Redondo, German (21)Carazo Berrocal, Gustavo (13)Ramírez Arguedas, Nils Antonio (10)Castillo Henríquez, Luis (6)Baltodano Viales, Eleaneth (4)Chavarría Rojas, Marianela (3)Chaves Noguera, Sindy (3)Sibaja Rodríguez, Santiago (3)Fonseca González, Lidiette (2)... View MoreTypeinfo:eu-repo/semantics/article (22)ProcedenceVicerrectoría de Investigación (21)Vicerrectoría de Docencia (8)... View MoreHas File(s)Yes (22)

  • Repositorios universitarios

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