A5023509380- Piperaceae Chemical and Biological Studies
- Essential Oils and Antimicrobial Activity
- Natural product bioactivities and synthesis
- Biochemical Analysis and Sensing Techniques
- Phytochemicals and Medicinal Plants
- Phytochemistry and Biological Activities
- Phytochemistry Medicinal Plant Applications
- Antimicrobial Peptides and Activities
- Ethnobotanical and Medicinal Plants Studies
- Heavy Metals in Plants
- Bee Products Chemical Analysis
- Botanical Research and Applications
- Analytical Chemistry and Chromatography
University of Cuenca
2016-2022
Abstract Objective The aim of the present study was to adapt and optimize a broth microdilution method compare it agar dilution for evaluation activity essential oils from medicinal plants against Gram-negative bacteria. Based on bibliographic research, active not were selected. sensitivity specificity established as parameters validation. comparison between both methods made using contingency analysis tables, based observed frequencies. For methods, minimum inhibitory concentration...
Guayusa (Ilex guayusa Loes.) leaves, native of the Ecuadorian Amazon, are popularly used for preparing teas. This study aimed to assess influence leaf age on phenolic compounds and carotenoids bioactivity digestibility (in vitro) aqueous hydroalcoholic extracts.In total, 14 were identified quantified. Chlorogenic acid quercetin-3-O-hexose main representatives hydroxycinnamic acids flavonols respectively. Seven quantified, lutein being compound. Ripening affected content significantly, but...
The present study aimed to identify the main medicinal plants used by people in Ecuador South Andes treat gastrointestinal problems, and evaluate their antibacterial effect. Escherichia coli Salmonella spp., as gram-negative Staphylococcus aureus gram-positive bacteria were vivo models for screening. An ethnobotanical survey about problems was applied known healers area. Collected information contrasted results of interviews 13 different yachaks from same potential chloroform methanol...
Aerial parts (leaves, flowers, stem) of Peperomia galioides extract administered to mice, was used confirm its anti-inflammatory and sedative folk uses. The activity assessed by croton oil-induced ear oedema myeloperoxidase (acute inflammation); cotton pellet-induced granuloma (sub-acute inflammation) Escherichia coli Lipopolysaccharide (LPS) induced inflammation (cellular mediators). studied the pentobarbital-induced sleeping time test. Single doses (300 600 mg/kg; i.p.) reduced activity....
Enterococcus faecalis es un microorganismo considerado como agente etiológico de diferentes procesos infecciosos, tales como: infecciones la piel, osteomielitis, neumonía, del tracto urinario, endocarditis, entre otros, siendo los pacientes nosocomiales una población más vulnerable a esta bacteria. El objetivo presente estudio fue evaluar actividad antibacteriana in vitro extractos metanólicos y clorofórmicos las plantas Peperomia galioides, Otholobium mexicanum, Zingiber officinale...