Search Results - "Buitrago, Alexis"

Chemical composition and cytotoxic activity of the essential oil of Hinterubera imbricata species collected in Venezuelan Andes by Rojas, Janne, Díaz, Alexis Buitrago, Rojas, Luis, Arvelo, Francisco, Sojo, Felipe, Ramírez, Hegira, Fernández-Moreirag, Esteban

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In vitro antioxidant activity and qualitative phytochemical analysis of two Vismia (Hypericaceae) species collected in Los Andes, Venezuela by Buitrago D, Alexis, Rojas-Vera, Janne, Peñaloza, Yonel

“…Vismia genus is distributed mainly in tropical and subtropical regions of Central, South America and some areas of Africa. According to previous…”
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Essential oil composition and cytotoxic activity in two species of the plant genus Vismia (Hypericaceae) from the Venezuelan Andes by Vera, Janne Rojas, Buitrago Díaz, Alexis, Arvelo, Francisco A., Sojo, Felipe J., Suarez, Alírica I., Rojas, Luis

“…Introduction: The Vismia genus belongs to the Hypericaceae family and comprises around 57 species of which 17 have been located in Venezuela. Previous…”
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Cytotoxic activity of different polarity fractions obtained from methanolic extracts of Vismia baccifera and Vismia macrophylla (Hypericaceae) collected in Venezuela by Janne del C. Rojas, Alexis A. Buitrago, Francisco A. Arvelo, Felipe J. Sojo, Alírica I. Suarez

“…Context: Cancer is a complex disease involving numerous changes in cell physiology and abnormal cell growth, which lead to malignant tumors. Many…”
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Essential oil composition and antimicrobial activity of Vismia macrophylla leaves and fruits collected in Táchira-Venezuela by Buitrago, Alexis, Rojas, Janne, Rojas, Luis, Velasco, Judith, Morales, Antonio, Peñaloza, Yonel, Díaz, Clara

“…Hydrodistillation of Vismia macrophylla Kunth (Hypericaceae) leaves (L) and fruits (F) yielded 1.3%, v/w, and 5.6%, v/w, of essential oil, respectively. GC and…”
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Cytotoxic activity of different polarity fractions obtained from methanolic extracts of Vismia baccifera and Vismia macrophylla (Hypericaceae) collected in Venezuela by Rojas, Janne del C., Buitrago, Alexis A., Arvelo, Francisco A., Sojo, Felipe J., Suarez, Alírica I.

“…Context: Cancer is a complex disease involving numerous changes in cell physiology and abnormal cell growth, which lead to malignant tumors. Many…”
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Essential oil composition of Vismia macrophylla leaves (Guttiferae) by Rojas, Janne, Buitrago, Alexis, Rojas, Luis, Morales, Antonio

“…The essential oil from Vismia macrophylla Kunth (Guttiferae) leaves, extracted by hydrodistillation, was analyzed by GC/MS. The oil obtained (yield 0.11%)…”
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Essential oil composition and antibacterial activity of Monticalia greenmaniana (Asteraceae) by Cárdenas, José, Rojas, Janne, Rojas-Fermin, Luís, Lucena, María, Buitrago, Alexis

“…The essential oils from fresh aerial parts of Monticalia greenmaniana (Hieron) C. Jeffrey (Asteraceae) collected in March, were analyzed by GC/MS. Oil yields…”
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Desarrollo y validación de un método espectrofluorométrico para la determinación de furosemida en formas farmacéuticas sólidas by Buitrago, Alexis

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Essential oil composition and antibacteral activity of Vismia baccifera fruits collected from Mérida, Venezuela by Rojas, Janne, Buitrago, Alexis, Rojas, Luis, Morales, Antonio, Lucena, María, Baldovino, Shirley

“…The essential oil from the fruits of Vismia baccifera Triana & Planch. (Gutttiferae), collected in June 2009, was analyzed by GC/MS. A yield of 0.6% oil was…”
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Chemical Composition of the Essential Oil of Croton huberi Steyerm. (Euphorbiaceae) Collected from Tachira-Venezuela by Rojas, Janne, Buitrago, Alexis, Rojas, Luís B, Cárdenas, José, Carmona, Juan

“…GC and GC-MS analyses of Croton huberi essential oil showed the presence of fourteen compounds, with the major ones being β-caryophyllene (18.3 %) and…”
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Chemical composition of the essential oil of leaves and roots of Ottoa oenanthoides (Apiaceae) from Mérida, venezuela by Rojas, Janne, Buitrago, Alexis, Rojas, Luis B, Morales, Antonio, Baldovino, Shirley

“…Essential oils extracted by hydrodistillation from leaves and roots of Ottoa oenanthoides Kunth (Apiaceae) were analyzed by GC/MS. The oils, obtained in yields…”
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Chemical composition and antibacterial activity of the essential oil of Monticalia andicola (Asteraceae) collected in Venezuela by Baldovino, Shirley, Rojas, Janne, Rojas, Luis B, Lucena, María, Buitrago, Alexis, Morales, Antonio

“…The essential oil from the leaves of Monticalia andicola Turcz., collected in November 2008, was analyzed by GC/MS. A yield of 0.15% oil was obtained by…”
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Desarrollo y validación de un método espectrofluorométrico para la determinación de furosemida en formas farmacéuticas sólidas by Andrés León, Laura Calderón, Alexis Buitrago, Rosario Brunetto, Máximo Gallignani

“…The aims of this work is to develop and validate an alternative analytic method by spectrofluorometry for the quality control of Furosemide in solid…”
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Estudio comparativo de la composición química y actividad antibacteriana del aceite esencial de Ruta graveolens L. recolectada en los estados Mérida y Miranda, Venezuela by Janne Rojas, Thamara Mender, Luis Rojas, Eliana Gullien, Alexis Buitrago, Maria Lucena, Nicolas Cardenas

“…Essential oil from two R. graveolens samples collected from Mérida and Miranda states, Venezuela, were analyzed by GC/MS identifying as major components:…”
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Comparative Study of the Chemical Composition of the Essential Oil of Vismia baccifera var. dealbata (Guttiferae) Collected in two Different Locations in Merida-Venezuala by Buitrago, Alexis, Rojas, Luis B., Rojas, Janne, Buitrago, Diolimar, Usubillaga, Alfredo, Morales, Antonio

“…The essential oil from leaves of Vismia baccifera var. dealbata collected from Chiguará (1250 m) and La Hechicera (1800 m) were analyzed by GC and GC-MS…”
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Essential oil composition and cytotoxic activity in two species of the plant genus Vismia from the Venezuelan Andes by Rojas-Vera, Janne, Buitrago Díaz, Alexis, Arvelo, Francisco A, Sojo, Felipe J, Suarez, Alírica I, Rojas, Luis

“…Composición de aceites esenciales y actividad citotóxica en dos especies de plantas del género Vismia (Hypericaceae) de los Andes venezolanos. Introducción: El…”
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Actividad antioxidante in vitro y analisis fitoquimico cualitativo de dos especies de Vismia recolectadas en Los Andes, Venezuela by Buitrago D., Alexis, Rojas-Vera, Janne, Penaloza, Yonel

“…El genero Vismia esta distribuido principalmente en las regiones tropicales y subtropicales de Centro, Sur America y algunas zonas de Africa. De acuerdo a…”
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Desarrollo y validación de un método espectrofluorométrico para la determinación de furosemida en formas farmacéuticas sólidas by Gallignani, Máximo, Brunetto, Rosario, León, Andrés, Calderón, Laura, Buitrago, Alexis

“…The aims of this work is to develop and validate an alternative analytic method by spectrofluorometry for the quality control of Furosemide in solid…”
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