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Composition and antifungal activity of essential oils from Piper aduncum, Piper arboreum and Piper tuberculatum
The composition of essential oils from leaves, stems and fruits of Piper aduncum, P. arboreum and P. tuberculatum was examined by means of GC-MS and antifungal assay. There was a predominance ofExpand
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Schistosoma mansoni: In vitro schistosomicidal activity of piplartine.
Schistosomiasis is one of the world's greatly neglected tropical diseases, and its control is largely dependent on a single drug, praziquantel. Here, we report the in vitro effect of piplartine, anExpand
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Antimalarial use of volatile oil from leaves of Virola surinamensis (Rol.) Warb. by Waiãpi Amazon Indians.
The Amazon Indians Waiãpi living in the West of Amapá State of Brazil, treat malaria with an inhalation of vapor obtained from leaves of Viola surinamensis. The essential oil obtained from adult andExpand
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Biosynthesis of antioxidant lignans in Sesamum indicum seeds
Abstract Sesame lignans, whose biosynthetic pathway is the subject of this study, have well-established antioxidant and health protecting properties. Using a combination of radio- andExpand
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Antifungal amide from leaves of Piper hispidum.
Bioactivity-guided fractionation of a CH2Cl2 extract from leaves of Piper hispidum (Piperaceae) yielded a new pyrrolidine amide, N-[7-(3',4'-methylenedioxyphenyl)-2(Z),4(Z)-heptadienoyl] pyrrolidineExpand
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A chromene and prenylated benzoic acid from Piper aduncum.
In addition to nerolidol, 2',6'-dihydroxy-4'-methoxydihydrochalcone, methyl 2,2-dimethyl-8-(3'-methyl-2'-butenyl)-2H-1-chromene-6-carboxylate, methyl 2,2-dimethyl-2H-1-chromene-6-carboxylate andExpand
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Essential oils from Piper cernuum and Piper regnellii: antimicrobial activities and analysis by GC/MS and 13C-NMR.
The essential oils of Piper cernuum and Piper regnellii leaves were analyzed by gas chromatography-mass spectrometry (GC-MS) and the results were compared to that obtained by means of a programExpand
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Occurrence of isoflavonoids in Brazilian common bean germplasm (Phaseolus vulgaris L.).
Common bean (Phaseolus vulgaris) is present in the daily diet of various countries and, as for other legumes, has been investigated for its nutraceutical potential. Thus, 16 genotypes from differentExpand
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Composition and antifungal activity against Candida albicans, Candida parapsilosis, Candida krusei and Cryptococcus neoformans of essential oils from leaves of Piper and Peperomia species
Universidade Estadual Paulista Julio de Mesquita Filho, Departamento de Quimica Orgânica, Instituto de Quimica de Araraquara, Araraquara, Av. Prof. Francisco Degni s/n, Quitandinha, CEP 14800-900,Expand
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Antifungal amides from Piper hispidum and Piper tuberculatum.
Piper hispidum and Piper tuberculatum accumulate amides bearing isobutyl, pyrrolidine, dihydropyridone and piperidine moieties. The isolation and characterization of several representatives includingExpand
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