Mostrando 21 - 40 Resultados de 107 Para Buscar '"Piperaceae"', tiempo de consulta: 0.44s Limitar resultados
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    “…We collected caterpillars associated with Peperomia (Piperaceae) host plants from June 2012 to January 2013 in three elevational bands of montane and elfin rainforests on the eastern slopes of the Andes in southern Ecuador. …”
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    “…The crude ethanolic extract from aerial parts of Pothomorphe umbellata L. (Piperaceae) and fractions obtained by partitions sequentially among water-methanol, methylene chloride, and ethyl acetate, as well as the major constituent, 4-nerolidylcatechol, were, respectively, evaluated and evidenced for antioxidant and cytotoxic effects through fluorometric microplate and microculture tetrazolium assays in HL-60 cells. …”
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    “…We asexually propagated first and second-generation clones of two medicinal and aromatic species, Piper gaudichaudianum Kunth and Piper mollicomum Kunth (Piperaceae), for use as experimental models since they show high chemical plasticity in the wild. …”
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    “…In the present study, an essential oil was distilled from the leaves of Piper coruscans Kunth, a native Amazonian species belonging to the family Piperaceae and quite common in Ecuador. The chemical analysis was performed by GC-MS (qualitative) and GC-FID (quantitative), on polar and non-polar columns, detecting a total of 58 compounds of which 52 were identified. …”
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    “…In this work, we evaluated two chemically related natural products: 1,4-dihydroxy-2-(3’,7’-dimethyl-1’-oxo-2’E,6’-octadienyl) benzene (C1) and 4-hydroxy-2-(3’,7’-dimethyl-1’-oxo-2’E,6’-octadienyl) benzoic acid (C2), both were isolated from branches Piper crassinervium (Piperaceae), over the peroxidase activity of AhpC from Pseudomonas aeruginosa (PaAhpC) and Staphylococcus epidermidis (SeAhpC). …”
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    “…As a model group, we chose Tildenia, a subgenus of Peperomia (Piperaceae), one of the largest plant genera. Relationships are particularly difficult to resolve within these species rich groups due to low levels of polymorphisms and fast or recent radiation. …”
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    por Nakatani, N, Inatani, R, Ohta, H, Nishioka, A
    Publicado 1986
    “…In a structure analysis of the compounds of the genus Piper (Family Piperaceae), we identified five phenolic amides from Piper nigrum, seven compounds from P. retrofractum, and two compounds from P. baccatum. …”
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  20. 40
    “…Specimens were divided into six groups (Group 1: Piper nigrum (Piperaceae); Group 2: Piper longum (Piperaceae); Group 3: Zingiber officinale Roscoe (Zingiberaceae); Group 4: Calcium hydroxide; Group 5: 2% chlorhexidine gel (CHX); and Group 6: saline (negative control). …”
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