4 documents found, page 1 of 1
Chemical composition and histochemistry of Sphagneticola trilobata essential oil
Silva, Cleber José da; Barbosa, Luiz C. A.; Demuner, Antonio J.; Montanari, Ricardo M.; Francino, Dayana; Meira, Renata M. S. A.; Souza, Ana Olívia deAnatomical and histochemical investigations of Sphagneticola trilobata (L.) Pruski, Asteraceae, secretory structures in leaves and stems and the seasonal variation of essential oils were carried out. Histochemical techniques enabled the specific location of the essential oil accumulation in the internal (canals) and external structures (trichomes). Histochemical analysis showed that the secretory trichomes prod...
Morfoanatomia foliar e composição química dos óleos essenciais de sete espécies...
Silva, Cleber José daCoordenação de Aperfeiçoamento de Pessoal de Nível Superior; Results on the compared leaf anatomy, chemical composition and histolocalization of the essential oils of the species of Melaleuca L. growing in the municipal district of Viçosa, state of Minas Gerais - Brazil. The various Melaleuca species showed differences within their relative essential oil composition. Each of the oils analyzed revealed a dominan...
Estudos químicos e anatômicos em espécies de Myrtaceae e Asteraceae e primeiros...
Silva, Cleber José daCoordenação de Aperfeiçoamento de Pessoal de Nível Superior; This paper presents data on the chemical composition and antibacterial activity of volatile oils fron three Myrtaceae genera (Callistemon, Kunzea and Melaleuca) grown in Brazil, and one species of the Asteraceae family (Sphagneticola trilobata), ruderal and used in folk medicine. The volatile oils of Myrtaceae species were investigated for its chemica...
New biflavonoid and other constituents from luxemburgia nobilis (EICHL).
Oliveira, Marcia Cristina Campos de; Carvalho, Mário Geraldo de; Silva, Cleber José da; Werle, Alceni AugustaO fracionamento cromatográfico dos extratos orgânicos das folhas e galhos de Luxemburgia nobilis (Ochnaceae) forneceu o sitosterol, sitosterol-3-O- βD-glicopiranosil, friedelina, friedelinol, a mistura dos triterpenos lupeol, α-amirina e β -amirina, rutina, epicatequina, uma mistura de duas chalconas, isoliquiritigenina e 3’-hidróxiisoliquiritigenina, duas biflavonas conhecidas, amentoflavona e robustaflavona a...