Results 1 to 10 of about 272 (148)

Composition and antifungal activity of essential oils from Piper aduncum, Piper arboreum and Piper tuberculatum [PDF]

open access: yesQuimica Nova, 2006
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 of monoterpenes in P. aduncum and P.
Cavalheiro A J   +2 more
exaly   +7 more sources

Evaluating the effect of grafting methods and rootstocks through the analysis of chlorophyll a fluorescence [PDF]

open access: yesPhotosynthetica, 2023
This study evaluated the side-cleft grafting in native species of the genus Piper (Piper aduncum L., Piper hispidum Sw., and Piper tuberculatum Jacq.) with BRS Kottanadan pepper cultivar as rootstocks (Experiment 1).
J. CRASQUE   +9 more
doaj   +2 more sources

Responses of wild Piper species to drought and rehydration cycles considering stomatal closure as a marker of the alarm phase [PDF]

open access: yesPhotosynthetica, 2023
Studies that simulate recurrent drought events with subsequent episodes of rehydration better reflect natural conditions and allow visualization of differential acclimatization responses resulting from memory and tolerance mechanisms.
B. CERRI NETO   +8 more
doaj   +2 more sources

Proteomic profile of Piper tuberculatum (Piperaceae) [PDF]

open access: yesBrazilian Journal of Biology, 2017
Piper tuberculatum (Piperaceae) is a species that accumulates especially amides as secondary metabolites and several biological activities was previously reported. In this article, we report a proteomic study of P. tuberculatum.
F. Cotinguiba   +5 more
doaj   +9 more sources

Caracterização farmacognóstica de Piper arboreum var. arboreum e P. tuberculatum (Piperaceae) [PDF]

open access: yesActa Amazonica, 2016
RESUMO Piper arboreum Aubl. var. arboreum e P. tuberculatum Jacq. (Piperaceae), conhecidas como pimenta-longa, são comercializadas como produtos tradicionais fitoterápicos e, frequentemente, identificadas erroneamente, não havendo relatos sobre controle ...
Ana Cristina Aguiar Dias   +2 more
exaly   +6 more sources

Antibacterial Activity of the Essential Oil of Piper tuberculatum Jacq. Fruits against Multidrug-Resistant Strains: Inhibition of Efflux Pumps and β-Lactamase [PDF]

open access: yesPlants, 2023
Antimicrobial resistance has become a growing public health concern in recent decades, demanding a search for new effective treatments. Therefore, this study aimed to elucidate the phytochemical composition and evaluate the antibacterial activity of the ...
Lucas Yure Santos da Silva   +16 more
doaj   +2 more sources

Ontogenetic Changes in the Chemical Profiles of Piper Species [PDF]

open access: yesPlants, 2021
The chemical composition of seedlings and adult plants of several Piper species were analyzed by 1H NMR spectroscopy combined with principal component analysis (PCA) and HPLC-DAD, HPLC-HRESIMS and GC-MS data. The chromatographic profile of crude extracts
Anderson Melo Gaia   +3 more
doaj   +2 more sources

Antiplasmodial and antileishmanial activities of compounds from Piper tuberculatum Jacq fruits [PDF]

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2018
INTRODUCTION This study assessed the activity of compounds from Piper tuberculatum against Plasmodium falciparum and Leishmania guyanensis. METHODS The effects of compounds from P. tuberculatum fruits on P. falciparum and L.
Flávio Augusto de Souza Oliveira   +10 more
doaj   +3 more sources

Antifungal and Herbicidal Potential of Piper Essential Oils from the Peruvian Amazonia [PDF]

open access: yesPlants, 2022
The chemical composition of essential oils (EOs) from ten Peruvian Piper species (Piper coruscans, Pc; P. tuberculatum, Pt; P. casapiense, Pcs; P. obliquum, Po; P. dumosum, Pd; P. anonifolium, Pa; P. reticulatum, Pr; P. soledadense, Ps; P. sancti-felicis,
Liliana Ruiz-Vásquez   +6 more
doaj   +2 more sources

Bioherbicidal potential of plant species with allelopathic effects on the weed Bidens bipinnata L. [PDF]

open access: yesScientific Reports, 2022
Plant species with allelopathic effects against weeds have emerged as a potential strategy for the development of ecologically friendly bioherbicides.
Robson Willian Nunes Lopes   +3 more
doaj   +2 more sources

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