Search Results - "Young, Maria Claudia Marx"
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Targeted Isolation of Indolopyridoquinazoline Alkaloids from Conchocarpus fontanesianus Based on Molecular Networks
Published in Journal of natural products (Washington, D.C.) (23-09-2016)“…A dichloromethane-soluble fraction of the stem bark of Conchocarpus fontanesianus showed antifungal activity against Candida albicans in a bioautography assay…”
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Alkaloids from stems of Esenbeckia leiocarpa Engl. (Rutaceae) as potential treatment for Alzheimer disease
Published in Molecules (Basel, Switzerland) (13-12-2010)“…Esenbeckia leiocarpa Engl. (Rutaceae), popularly known as guarantã, goiabeira, is a native tree from Brazil. Bioactivity-guided fractionation of the ethanol…”
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3
Comparative chemical analysis and antifungal activity of Ochtodes secundiramea (Rhodophyta) extracts obtained using different biomass processing methods
Published in Journal of applied phycology (01-10-2014)“…The activities of bioactive compounds can be influenced by countless factors, including post-collection sample treatment. In this study, the activities of…”
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4
Trypanocidal, leishmanicidal and antifungal potential from marine red alga Bostrychia tenella J. Agardh (Rhodomelaceae, Ceramiales)
Published in Journal of pharmaceutical and biomedical analysis (05-09-2010)“…Specimens of the red alga Bostrychia tenella J. Agardh (Rhodomelaceae, Ceramiales) were collected from the São Paulo coast and submitted to room temperature…”
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5
Cytotoxic Guanidine Alkaloids from Pterogyne nitens
Published in Journal of natural products (Washington, D.C.) (27-03-2009)“…As part of a bioprospecting program aimed at the discovery of potential anticancer drugs, two new guanidine-type alkaloids, nitensidines D and E (1, 2), and…”
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6
Antifungal activity of Piper diospyrifolium Kunth (Piperaceae) essential oil
Published in Brazilian journal of microbiology (01-07-2011)“…In vitro activity of the essential oil from Piper diospyrifolium leaves was tested using disk diffusion techniques. The antifungal assay showed significant…”
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7
New Antioxidant C-Glucosylxanthones from the Stems of Arrabidaea samydoides
Published in Journal of natural products (Washington, D.C.) (01-10-2003)“…Three new C-glucosylxanthones, 2-(2‘-O-trans-caffeoyl)-C-β-d-glucopyranosyl-1,3,6,7-tetrahydroxyxanthone (1),…”
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8
Chemical composition and antimicrobial activity of the essential oil from Croton heterocalyx Baill. (Euphorbiaceae s.s.) leaves
Published in The Journal of essential oil research (01-03-2009)“…The chemical composition and the antimicrobial activity of the essential oil from Croton heterocalyx leaves were evaluated. The oil which was analyzed by GC…”
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9
The Genus Psychotria : Phytochemistry, Chemotaxonomy, Ethnopharmacology and Biological Properties
Published in Journal of the Brazilian Chemical Society (01-08-2016)“…Psychotria genus (Rubiaceae) is featured into the angiosperm, being the most speciose genus comprising approximately 1600 species. The available references…”
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10
Cadinane sesquiterpenoids of Phomopsis cassiae, an endophytic fungus associated with Cassia spectabilis (Leguminosae)
Published in Phytochemistry (Oxford) (01-09-2006)“…Five cadinane sesquiterpenes derivatives ( 1– 5) were isolated by bioassay-guided fractionation from Phomopis cassiae, an endophytic fungus associated with…”
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11
Interconverting flavanone glucosides and other phenolic compounds in Lippia salviaefolia Cham. ethanol extracts
Published in Phytochemistry (Oxford) (01-11-2011)“…Antioxidant assay-guided fractionation of Lippia salviaefolia extracts led to identification of 16 phenolic compounds, including two diastereomeric pairs of…”
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12
Chemical composition and biological activities of Guatteria elliptica R. E. Fries (Annonaceae) essential oils
Published in The Journal of essential oil research (02-01-2018)“…Leaf from two Guatteria elliptica R. E. Fries (Annonaceae) specimens were collected at Paranapiacaba and Caraguatatuba in São Paulo (Brazil). The essential…”
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13
Flavonols from Pterogyne nitens and their evaluation as myeloperoxidase inhibitors
Published in Phytochemistry (Oxford) (01-05-2008)“…A myeloperoxidase inhibitory kaempferol derivative, namely pterogynoside ( 1), was isolated from fruits of Pterogyne nitens, along with six known flavonols,…”
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14
Antibacterial Xanthones from Kielmeyera variabilis Mart. (Clusiaceae)
Published in Memórias do Instituto Oswaldo Cruz (01-06-2003)“…The bioassay-guided fractionation of stems from Kielmeyera variabilis , traditionally used in Brazilian folk medicine, yielded assiguxanthone-B (1), kielcorin…”
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15
Diketopiperazines and arylethylamides produced by Schizophyllum commune, an endophytic fungus in Alchornea glandulosa
Published in Eclética química (04-07-2019)“…Chemical investigation of the crude PDB extract obtained from the endophytic fungus Schizophyllum commune afforded the pure substances, cyclo(L-Pro-L-Val) (1),…”
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16
Aromatic compounds produced by Periconia atropurpurea, an endophytic fungus associated with Xylopia aromatica
Published in Phytochemistry (Oxford) (01-12-2006)“…Compounds 1 and 2 were produced by the endophytic fungus Periconia atropurpurea which is associated with Xylopia aromatica, a native plant of the Brazilian…”
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17
Benzopyrans from Curvularia sp., an endophytic fungus associated with Ocotea corymbosa (Lauraceae)
Published in Phytochemistry (Oxford) (01-10-2005)“…Benzopyrans ( 2) and ( 4) were produced by an endophytic fungus Curvularia sp. associated to Ocotea corymbosa, a native plant of Brazilian Cerrado. The…”
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18
Trypanocidal activity of Brazilian plants against epimastigote forms from Y and Bolivia strains of Trypanosoma cruzi
Published in Revista brasileira de farmacognosia (01-06-2012)“…Chagas disease is one of the main public health problems in Latin America. Since the available treatments for this disease are not effective in providing cure,…”
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Essential oil composition of fruit colour varieties of Eugenia brasiliensis Lam
Published in Scientia agricola (01-08-2007)“…Eugenia brasiliensis Lam. is a variable species concerning fruit colour, with three recognized varieties. However, the definition of varieties is not easy for…”
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Screening for antifungal, DNA-damaging and anticholinesterasic activities of Brazilian plants from the Atlantic Rainforest: Ilha do Cardoso State Park
Published in Revista brasileira de farmacognosia (01-12-2008)“…Crude extracts from 17 plant species collected from an Atlantic Forest region in the State of São Paulo (Brazil) have been screened for antifungal,…”
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