Mostrando 10 resultados de: 31
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Journal of Agricultural and Food Chemistry(7)
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Fragmentation Pathways of Polycyclic Polyisoprenylated Benzophenones and Degradation Profile of Nemorosone by Multiple-Stage Tandem Mass Spectrometry
ArticleAbstract: Nemorosone is a polycyclic polyisoprenylated benzophenone (PPBs) with strong cytotoxic activity. ItPalabras claves:Autores:Campone L., Dal Piaz F., Osmany Cuesta-Rubio, Piccinelli L.A., Rastrelli L.Fuentes:googlescopusGC-MS determination of isoflavonoids in seven red cuban propolis samples
ArticleAbstract: In the present study, the phenolic composition analysis of seven red varieties of propolis, collectePalabras claves:GC-MS, Isoflavonoids, Pterocarpans, Red cuban propolisAutores:Ingrid Márquez-Hernández, Mercedes Campo Fernández, Montes de Oca Porto R., Osmany Cuesta-Rubio, Perez A.R., Piccinelli L.A., Rastrelli L.Fuentes:scopusConstituents of the Cuban endemic species Calophyllum pinetorum
ArticleAbstract: A new prenylated xanthone, pinetoxanthone (1), and two new pyranochromanones, pinetoric acid I (2) aPalabras claves:Autores:Bello Adonis Alarcón, Osmany Cuesta-Rubio, Pérez J.C., Piccinelli L.A., Rastrelli L.Fuentes:googlescopusCuban and Brazilian red propolis: Botanical origin and comparative analysis by high-performance liquid chromatography-photodiode array detection/ electrospray ionization tandem mass spectrometry
ArticleAbstract: Chemical composition of propolis depends on the specificity of the local flora at the site of collecPalabras claves:Dalbergia ecastophyllum, Isoflavonoids, polyisoprenylated benzophenones, red propolis, retusapurpurin A and B, tandem mass spectrometryAutores:Campone L., Lotti C., Mercedes Campo Fernández, Osmany Cuesta-Rubio, Piccinelli L.A., Rastrelli L.Fuentes:scopusA fast and efficient HPLC-PDA-MS method for detection and identification of pyranochromanone acids in Calophyllum species
ArticleAbstract: Pyranochromanone acids isolated from Calophyllum species have shown a variety of biological potentiaPalabras claves:1D and 2D NMR, Calophyllum antillanum leaves and resin, Calophyllum pinetorum leaves and resin, Calophyllumr rivulare leaves and resin, Pyranochromanone acidsAutores:Bello Adonis Alarcón, Kabani A., Lotti C., Osmany Cuesta-Rubio, Piccinelli L.A., Rastrelli L.Fuentes:googlescopusA polyisoprenylated benzophenone from Cuban propolis
ArticleAbstract: A novel polyisoprenylated benzophenone (1) has been isolated from an ethanol extract of Cuban propolPalabras claves:Autores:Aquino R., Castro H., Cuellar A., Osmany Cuesta-Rubio, Rastrelli L., Rojas N.Fuentes:googlescopusA review of nemorosone: Chemistry and biological properties
ArticleAbstract: Nemorosone is a bicyclic polyprenylated acylphloroglucinol derivative originally isolated from ClusiPalabras claves:Acylphloroglucinols, Anti-Cancer, Clusiaceae, nemorosone, Pharmacological activityAutores:Fernández-Acosta R., Monzote L., Osmany Cuesta-Rubio, Pardo-Andreu G.L., Rastrelli L.Fuentes:googlescopusChemical characterization and antioxidant potential of ecuadorian propolis
ArticleAbstract: The chemical composition and the antioxidant potential of Ecuadorian propolis samples (n = 19) collePalabras claves:Antioxidant activity, Clusia, Diterpenes, Ecuadorian propolis, GC-MS, LC-MS, Mangifera, PHENOLIC COMPOUNDS, PopulusAutores:Celano R., Ingrid Márquez-Hernández, Irán Rodríguez-Delgado, Mercedes Campo Fernández, Montes de Oca Porto R., Osmany Cuesta-Rubio, Piccinelli L.A., Rastrelli L.Fuentes:googlescopusChemical characterization of Cuban propolis by HPLC-PDA, HPLC-MS, and NMR: The brown, red, and yellow Cuban varieties of propolis
ArticleAbstract: Sixty-five samples of propolis were collected from eleven regions of Cuba; methanolic extracts of prPalabras claves:1D NMR spectroscopy, Brown, red, and yellow type, Cuban propolis, HPLC-ESI/MS, HPLC-PDA, Isoflavonoids, polyisoprenylated benzophenones, PterocarpansAutores:Ingrid Márquez-Hernández, Mercedes Campo Fernández, Osmany Cuesta-Rubio, Piccinelli L.A., Rastrelli L., Rosado A.Fuentes:googlescopusChemical constituents of red Mexican propolis
ArticleAbstract: Chemical investigation of a red-type Mexican propolis sample has led to the isolation of three new cPalabras claves:1,3-diarylpropane derivatives, 1D and 2D NMR spectroscopy, ESI-MS/MS, Flavonoids and isoflavonoids, Mexican propolis, PterocarpansAutores:Ingrid Márquez-Hernández, Lotti C., Mercedes Campo Fernández, Osmany Cuesta-Rubio, Piccinelli L.A., Rastrelli L.Fuentes:googlescopus