Physalis angulata is a plant of great value in traditional medicine known for its content bioactive compounds, such as physalins and withanolides, which possess diverse biological activities. In this study, the chemical profile, antioxidant activity, enzyme inhibition capacity aqueous ethanolic extracts obtained from root, stem, leaves, calyx, fruits P. collected Peru were evaluated. A total forty-two compounds detected using UHPLC-ESI-QTOF-MS analysis. vitro analyses revealed that leaf...

Lichens are an important source of diverse and unique secondary metabolites with recognized biological activities through experimental computational procedures. The objective this study is to investigate the metabolomic profile ethanolic extract Antarctic lichen Gondwania regalis evaluate its antioxidant antidiabetic in vitro, silico, molecular dynamics simulations. Twenty-one compounds were tentatively identified for first time using UHPLC/ESI/QToF/MS negative mode. For activity, DPPH assay...

Lichens are symbiotic associations of fungi with microalgae and/or cyanobacteria. belonging to the Parmeliaceae family comprise 2700 species lichens, including Parmotrema genus which is composed 300 species. The metabolites this include depsides, depsidones, phenolics, polysaccharides, lipids, diphenylethers and dibenzofurans, responsible for biological activities reported antidiabetic, antihelmintic, anticancer, antioxidant, antibacterial, anti-inflammatory, antimitotic, antitumoral,...

The lichen species Lecania brialmontii, Pseudephebe pubescens, and Sphaerophorus globosus are part of the prominent lichenoflora Antarctic territory. In this work, we report metabolomic identification ethanolic extracts these species, their antioxidant cholinesterase enzyme inhibitory activity, conduct a molecular docking analysis with typical compounds. Eighteen compounds were identified by UHPLC-ESI-QTOF-MS in L. 18 P. 14 S. globosus. content phenolic was variable among ranging from 0.279...

The objective of this research was to characterize the chemical composition ethanolic extracts lichen species Placopsis contortuplicata, Ochrolechia frigida, and Umbilicaria antarctica, their antioxidant activity, enzymatic inhibition through in vitro molecular docking analysis. In total phenol content, FRAP, ORAC, DPPH assays, showed significant assays for pancreatic lipase, α-glucosidase, α-amylase enzymes, together with silico studies prediction pharmacokinetic properties, toxicity risks,...

Eleven species of lichens the genus Sticta, ten which were collected in Colombia (S. pseudosylvatica S. luteocyphellata cf. andina hypoglabra, cordillerana, gyalocarpa leucoblepharis, parahumboldtii impressula, ocaniensis) and one Chile lineariloba), analyzed for first time using hyphenated liquid chromatography with high-resolution mass spectrometry. In metabolomic analysis, a total 189 peaks tentatively detected; analyses divided five (5) groups compounds comprising lipids, small phenolic...

The lichen species Cladonia chlorophaea and C. gracilis (Cladoniaceae) are widely distributed in the island archipelago of maritime Antarctica represent a natural resource scientific interest. In this work, metabolomic characterization ethanolic extracts these determination antioxidant activity, enzymatic inhibition anti-inflammatory potential selected compounds on 5-lipoxygenase enzyme by molecular docking cytoprotective activity SH-SY5Y cell line were carried out. Nineteen identified...

The richness, composition, abundance, and correlation with the atmospheric oxide concentrations of community corticolous lichens in urban peri-urban areas city Ibagué (Colombia) were evaluated, selecting 25 individuals four most abundant phorophyte species. Twenty-nine lichen taxa grouped 13 families 17 genera recorded, a higher coverage richness area. A non-metric multidimensional scaling (NMDS) analysis showed conformation two communities associated city, variation composition among...

The genus Blechnum represents one of the most ecologically and therapeutically important groups ferns that grow in tropical, subtropical temperate regions. In this work, chemical fingerprint lyophilized extracts chilense, B. hastatum, magellanicum penna-marina species, determination their antioxidant activity through ORAC, FRAP DPPH assays inhibition cholinesterase enzymes (AChE BChE), an silico analysis selected majority compounds on were identified. Nineteen recorded for nine seventeen by...

Objetivo: Evaluar la gestión de residuos sólidos en un restaurante región Central Colombia, para proponer alternativas técnicas y administrativas que aporten a reducción materiales alimentos desechados, fomenten una cultura ambiental entre funcionarios clientes del establecimiento. Métodos: Se realizó diagnóstico sólidos, se propuso manejo integral los encontrados, posteriormente identificaron riesgos amenazas diseñó plan seguimiento con indicadores efectividad. Resultados conclusiones:...

A glassy carbon electrode surface was modified with a new combination of chitosan, single walled nanotubes (SWCNT) and neodymium(<sc>iii</sc>) oxide (NdOX) found to be effective in the detection rutin (RU).

Ovidia pillopillo (Lloime) is an endemic species of the Valdivian Forest Chile. Little known on chemistry and biological activity this plant. In study, phenolic profile, antioxidant capacities enzyme inhibition (against tyrosinase cholinesterase) plant were investigated for first time. The profile was obtained by UHPLC-MS fingerprinting with high resolution, which showed presence several flavonoids coumarins. potential measured FRAP ORAC (45.56 ± 1.32; 25.33 1.2 μmol Trolox equivalents/g dry...

Lichens contain different types of chemical compounds with multiple biological activities that demonstrate their potential pharmacological use. This research aims to report the metabolomic identification ethanolic extracts P. antarcticum and hypnorum, antioxidant, enzyme inhibitory, cytoprotection activity. Sixteen metabolites were identified in twelve hypnorum; reported variable antioxidant activity IC50 >350 µg/mL DPPH·, values >18 µmol Trolox/g ORAC >40 FRAP a phenolic compound content...

&lt;p&gt;Se estudió la dinámica sucesional y evolución edafológica de una zona bosque seco tropical afectada por lodos erupción volcánica del nevado Ruiz el 13 noviembre 1985. La estudio está ubicada en municipio Armero con extensión 3500 hectáreas a 450 msnm. Se levantaron 10 parcelas muestreo x 20 m, acorde las consociaciones establecidas IGAC. En total los cuatro estudios florísticos reportan 565 especies distribuidas 72 familias, cuales sobresalen familia Asteraceae, Malvaceae, Fabaceae,...

El objetivo del estudio fue contribuir al conocimiento de la composición y diversidad, especificidad forófito las preferencias microambientales líquenes cortícolas un bosque subandino en región Centro Colombia (Ibagué, Tolima). Se seleccionaron 25 individuos cinco especies arbóreas; se estimó el porcentaje cobertura cada especie liquen; determinaron los parámetros micrositio (pH corteza diámetro a altura pecho, DAP) microclima (temperatura, humedad radiación); calculó riqueza diversidad alfa...

The genus Blechnum L. includes a large variety of species native to central and southern continental Chile: B. arcuatum, asperum, blechnoides, chilense, corralense, B hastatum, magellanicum, microphyllum, mochaenum penna-marina, containing compounds such as flavonols, hydroxycinnamic acids, lignans, phytoecdysteroids. In this examination, terpenic the phytoecdysone type with pharmacological potential on nervous system are detailed. These characterized by C27, C28 or C29 structure that...

Los cambios en la calidad de los suelos son determinados por su composición física y química se relacionan directamente con el desarrollo, crecimiento dinámica procesos sucesión vegetal. El objetivo este estudio fue evaluar del suelo relación vegetación proveniente ocurridos sobre lodos fluviovolcánicos municipio Armero, Tolima, Colombia. Se establecieron 10 parcelas x 20 metros cada unidad muestreo dio apertura a tres calicatas para obtención una muestra compuesta. En determinaron...

The objective of the work was to evaluate efficiency Moringa oleifera seeds as a natural coagulant-flocculant in treatment water for human consumption. Seeds were collected from trees present forest remnants city Ibagué (Colombia), dried, pulverized, and subjected process extraction active agents organic solvents; samples taken river surface waters with Latin square design (DCL) that grouped two factors (water pH extract dosage). coagulant action evaluated tests carried out jar tests....

The objective was to evaluate the physicochemical composition of soils and their relationship with successional vegetation. study conducted in area influence fluvial volcanic muds central region Colombia. physical variables texture, porosity, humidity, color, apparent density, real density; chemical pH, organic matter, cation exchange capacity, major elements, minor Al saturation, base Ca/Mg relation, (Ca+Mg)/K Mg/K relation were analyzed. A multivariate analysis between descriptive...

The genus Asplenium L. comprises about 700 species of terrestrial, epiphytic, and saxicolous habits distributed in temperate tropical regions around the world, exhibiting a high chemical richness with variable biological activity. In this review, compounds antioxidant activity that constitute pharmacological potential diseases central nervous system are detailed. nidus presents concentration phenols flavonoids evidenced by assays, such as DPPH, FRAP, total phenols, flavonoids, ORAC,...

Cytogenetic studies of plants allow integration with taxonomic and systematic data for the formulation conservation strategies. However, traditional methods microscopy image analysis chromosome observation identification are inefficient in species considered primitive critically endangered wild populations. For this reason, objective work is to establish an processing method that will facilitate distinction chromosomes Zamia tolimensis huilensis endemic Colombia. purpose, metaphase plates...

El territorio de los Andes tropicales muestra gran riqueza especies que son fundamentales en la provisión servicios ecosistémicos asociados al agua, regulación climática y captura almacenamiento carbono. Para este estudio, se caracterizó comunidad vegetal reserva Covadonga, ubicada el municipio Sesquilé, Cundinamarca (Colombia). Se generó mapa cobertura uso del suelo por medio metodología Corine Land Cover, cual destacó presencia arbustos matorrales, pastos limpios-arbolados bosque natural...