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Biosynthetic insights into p-Hydroxybenzoic acid-Derived benzopyrans in piper gaudichaudianum
(2018-05-01)
Piper gaudichaudianum Kunth (Piperaceae) accumulates gaudichaudianic acid, a prenylated benzopyran, as its major component. Interestingly, this trypanocidal compound occurs as a racemic mixture. Herein, transcriptomic ...
Effects of the Ottonia martiana Miq. (Piperaceae) extract on dog's ocular surface
(Universidade Federal de Minas Gerais (UFMG), Escola de Veterinária, 2012-06-01)
Estudaram-se os efeitos do extrato das folhas de Ottonia martiana sobre a superfície ocular de cães hígidos da raça Beagle. Compuseram-se três grupos de tratamento (n=15): grupo controle (GC), grupo proximetacaína (GP) e ...
Trypanocidal tetrahydrofuran lignans from Peperomia blanda
(Pergamon-Elsevier B.V. Ltd, 2008-01-01)
Five tetrahydrofuran lignans and two known flavones were isolated from the aerial parts of Peperomia blanda. The structures of the isolated lignans were elucidated by interpretation of their spectroscopic data, including ...
Composition and screening of antifungal activity against Cladosporium sphaerospermum and Cladosporium cladosporioides of essential oils of leaves and fruits of Piper species
(Academic Journals, 2010-09-13)
This study investigated the composition and antifungal activity against Cladosporium sphaerospermum and Cladosporium cladosporioides of essential oils of leaves of Piper cernuum, Piper diospyrifolium, Piper crassinervium, ...
Biosynthetic origins of the isoprene units of 4-nerolidylcatechol in Potomorphe umbellata
(2005-11-01)
The biosynthetic origins of the isoprene units of 4-nerolidylcatechol (1), the major constituent of Potomorphe umbellata, have been studied through feeding experiments with [14C]- and [13C]-glucose, and with precursors of ...
Essential oil of the Pothomorphe peltata (L.) Miq.
(Allured Publ Corp, 2004-01-01)
The essential oils of leaves of the Pothomorphe peltata (L.) Miq., collected in vegetative and reproductive periods, showed yields of 0.10-0.20%. Analysis of the oil by GC/MS revealed that the predominant components were ...
Antifungal amides from Piper hispidum and Piper tuberculatum
(Elsevier B.V., 2000-11-01)
Piper hispidum and Piper tuberculatum accumulate amides bearing isobutyl, pyrrolidine, dihydropyridone and piperidine moieties. The isolation and characterization of several representatives including two hitherto unreported ...
Flavonoides aislados de las inflorescencias de piper hispidum kunth (piperaceae) y derivados acetilados
(Universidad Nacional de Colombia, 2008)
En el articulo "FLAVONOIDES AISLADOS DE LAS INFLORESCENCIAS DE Piper hispidum Kunth (PIPERACEAE) Y DERIVADOS ACETILADOS" de Erika A. Plazas G., Luis E. Cuca S., Wilman A. Delgado A Rev Colomb. Quim., 2008, 37(2): 135-144 ...
Piperamides and their derivatives as potential anti-trypanosomal agents
(Birkhauser Boston, 2009-12-01)
We describe herein an evaluation of the trypanocidal effect of eight piperamides (1-8) isolated from Piper tuberculatum bearing dihydropyridone, piperidine, and isobutyl moieties against epimastigote forms of Trypanosoma ...
Phenology and pollination biology of eight Peperomia species (Piperaceae) in semideciduous forests in southeastern Brazil
(Georg Thieme Verlag KgStuttgartAlemanha, 2007)