Search Results - "Rosado Perez, Arístides"
-
1
GC-MS Determination of Isoflavonoids in Seven Red Cuban Propolis Samples
Published in Journal of agricultural and food chemistry (12-11-2008)“…In the present study, the phenolic composition analysis of seven red varieties of propolis, collected in different regions of Cuba, was evaluated by gas…”
Get full text
Journal Article -
2
Studies on the Constituents of Yellow Cuban Propolis: GC-MS Determination of Triterpenoids and Flavonoids
Published in Journal of agricultural and food chemistry (28-04-2010)“…In this study, on the basis of the information supplied by NMR and HPLC-PDA data, we reported a quali-quantitative GC-MS study of 19 yellow Cuban propolis…”
Get full text
Journal Article -
3
Qualitative confirmation procedure for ephedrines as acetonide derivatives in doping urine samples by gas chromatography/electron ionization mass spectrometry
Published in Rapid communications in mass spectrometry (30-01-2009)“…Ephedrines are sympathomimetic amines which have central nervous system stimulating properties and, for this reason, some of them are forbidden in sport by the…”
Get full text
Journal Article -
4
Excretion study of clomiphene in human urine: evaluation of endogenous steroids profile after multiple oral doses
Published in Journal of the Brazilian Chemical Society (01-12-2010)“…Selective estrogen receptor modulators are classified as prohibited substances according to the list of forbidden substances in sports by the International…”
Get full text
Journal Article -
5
Electron ionization mass spectra of ephedrines in a doping confirmatory procedure: a curious migration of the trimethylsilyl group in the N-acetyl-O-trimethylsilyl derivatives
Published in Rapid communications in mass spectrometry (30-06-2007)“…Ephedrines have central nervous system stimulating properties and, for this reason, some of them are forbidden in sport by the World Antidoping Agency (WADA)…”
Get full text
Journal Article -
6
Identificación y caracterización de los productos de degradación de las benzotiadiazinas en orina humana. Importancia para el control antidoping
Published in Revista CENIC. Ciencias químicas (01-12-2008)“…Los diuréticos de tipo tiazidas (benzotiadiazinas) son ampliamente usados con fines terapéuticos. Al igual que otros diuréticos pueden ser utilizados…”
Get full text
Journal Article -
7
Identificación y caracterización de los productos de degradación de las benzotiadiazinas en orina humana. Importancia para el control antidoping
Published in Revista CENIC. Ciencias químicas (01-12-2008)“…Los diuréticos de tipo tiazidas (benzotiadiazinas) son ampliamente usados con fines terapéuticos. Al igual que otros diuréticos pueden ser utilizados…”
Get full text
Journal Article -
8
Diferenciación de esteroides endógenos y exógenos mediante Cromatografía de Gases-Combustión-Espectrometría de Masas de Relaciones Isotópicas
Published in Revista CENIC. Ciencias químicas (01-12-2007)“…Los perfiles esteroidales urinarios son usados para controlar el abuso de esteroides endógenos tales como la testosterona y la dihidrotestosterona. La relación…”
Get full text
Journal Article -
9
Synthesis of (22R, 25R)-3β,26-Dihydroxy-5α-furostan-6-one
Published in Synthetic communications (01-04-1998)“…The synthesis of a plant growth promoter furostanol which bears the characteristic functionality of teasterone on rings A and B is described. # Dedicated to…”
Get full text
Journal Article -
10
Validación de un método espectrofotométrico para la determinación del contenido de aldehídos en el aceite de girasol ozonizado (OLEOZON®)
Published in Revista CENIC. Ciencias químicas (01-05-2005)“…El aceite de girasol ozonizado OLEOZON® presenta excelentes propiedades germicidas (bactericida, fungicida virucida y antiparasitario) que permiten su…”
Get full text
Journal Article -
11
Composición y propiedades antibacterianas del aceite esencial de Lippia alba (Mill.) n. e. Brown
Published in Revista cubana de farmacía (01-04-1996)“…Con ayuda de la cromatografía gaseosa capilar, espectrometría de masas y espectroscopia infrarroja, se estudiaron los componentes volátiles del aceite esencial…”
Get full text
Journal Article -
12
Zephyramina . Alcaloide novedoso aislado de los bulbos de Zephyrantes citrina Baker
Published in Revista CENIC. Ciencias químicas (01-05-2001)“…Muchas especies de plantas de la familia Amaryllidaceae son usadas en la medicina popular contra diferentes enfermedades, principalmente como citotóxicas,…”
Get full text
Journal Article