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The new koninginins T-U from Phomopsis stipata, an endophytic fungus isolated from Styrax camporum Pohl
(Phytochemistry Letters, 2020-04-01) [Artigo]
Two new polyketides, named koninginin T (1) and U (2), were isolated from Phomopsis stipata - an endophytic fungus isolated from Styrax camporum Pohl. The structures of polyketides 1 and 2 were defined through the analysis ...
Potential prophylactic role of silicon against brown rust (Puccinia melanocephala) in sugarcane
(European Journal of Plant Pathology, 2020-05-01) [Artigo]
Some benefits of silicon (Si) fertilization have been reported in sugarcane plants, but information about the effects of Si on brown rust (Puccinia melanocephala) remain scarce, even though this plant disease is widespread ...
Assessment of novel C-4 methylated tetraketide by HPLC-SPE-TT in saccharicola sp., an endophytic fungus in Eugenia Jambolana Lam
(Journal of the Brazilian Chemical Society, 2019-01-01) [Artigo]
A new compound named methyl (6S,7S,2E,4E)-6,7-dihydroxy-4,6-dimethyl octanoate was isolated from Saccharicola sp. using high performance liquid chromatography-solid phase extraction-transfer tube (HPLC-SPE-TT), together ...
Composição química de Aegiphila sellowiana Cham. (Verbenaceae)
(Revista Brasileira de Farmacognosia, 1996-01-01) [Artigo]
Este trabalho contribui para a caracterização química de Aegiphila sellowiana Cham. (Verbenaceae). As partes aéreas da planta foram extraídas corn solventes orgânicos e fracionadas cromatograficamente. As frações resultantes ...
Anti-nociceptive effects of Carpolobia lutea G. Don (Polygalaceae) leaf fractions in animal models
(Inflammopharmacology, 2011-08-01) [Artigo]
Leaves from Carpolobia lutea (Polygalaceae) were screened to establish the antiulcer ethnomedicinal claim and to quantitatively isolate, elucidate the active compounds by semi-preparative HPLC. The anti-nociceptive effects ...
Antiulcerogenic activity of Indigofera truxillensis Kunth
(Biota Neotropica, 2006-01-01) [Artigo]
O gênero Indigofera (Fabaceae) é utilizado na medicina tradicional para distúrbios gastrintestinais. em nosso trabalho foi investigada a propriedade antiulcerogênica da Indigofera truxillensis Kunth. A administração oral ...
Anti-inflammatory intestinal activity of Abarema cochliacarpos (Gomes) Barneby & Grimes in TNBS colitis model
(Journal of Ethnopharmacology, 2010-03-24) [Artigo]
Aim of the study To assess the anti-inflammatory effect of butanolic fraction of methanolic extract from bark of Abarema cochliacarpos in acute ulcerative colitis model induced by intracolonic administration of trinitrobenzene ...
Flavonoid Detection in Hydroethanolic Extract of Pouteria torta (Sapotaceae) Leaves by HPLC-DAD and the Determination of Its Mutagenic Activity
(Journal Of Medicinal Food, 2014-10-01) [Artigo]
It is well known that phytotherapy has grown in popularity in recent years. Because a drug cannot be administered without ensuring its effectiveness and safety, the standardization and regulation of phytotherapeutic drugs ...
Absolute Configuration and Selective Trypanocidal Activity of Gaudichaudianic Acid Enantiomers
(Journal of Natural Products, 2011-05-01) [Artigo]
Gaudichaudianic acid, a prenylated chromene isolated from Piper gaudichaudianum, has been described as a potent trypanocidal compound against the Y-strain of Trypanosoma cruzi. We herein describe its isolation as a racemic ...
Amino acid, Antioxidant and Ion Profiles of Carpolobia lutea Leaf (Polygalaceae)
(Tropical Journal of Pharmaceutical Research, 2012-10-01) [Artigo]
Purpose: To evaluate the amino acid, antioxidant and ionic profiles of Carpolobia lutea leaf (Polygalaceae) extract (CLL).Methods: The powdered leaf was macerated and subjected to gradient solvent extraction with n-hexane, ...