Search Results - "Alarcón, Julio"

Polyphenolic Compounds Extracted and Purified from Buddleja Globosa Hope (Buddlejaceae) Leaves Using Natural Deep Eutectic Solvents and Centrifugal Partition Chromatography by Torres-Vega, Jeniffer, Gómez-Alonso, Sergio, Pérez-Navarro, José, Alarcón-Enos, Julio, Pastene-Navarrete, Edgar

“…Chemical profiling of was performed by high-performance liquid chromatography coupled to electrospray ionization (HPLC-DAD-ESI-IT/MS) and quadrupole…”
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Dihydroagarofuranoid Sesquiterpenes as Acetylcholinesterase Inhibitors from Celastraceae Plants: Maytenus disticha and Euonymus japonicus by Alarcón, Julio, Cespedes, Carlos L, Muñoz, Evelyn, Balbontin, Cristian, Valdes, Francisco, Gutierrez, Margarita, Astudillo, Luis, Seigler, David S

“…Natural cholinesterase inhibitors have been found in many biological sources. Nine compounds with agarofuran (epoxyeudesmane) skeletons were isolated from…”
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Synthesis and Isolation of Phenol- and Thiol-Derived Epicatechin Adducts Prepared from Avocado Peel Procyanidins Using Centrifugal Partition Chromatography and the Evaluation of Their Antimicrobial and Antioxidant Activity by Berrios-Henríquez, Barbara, Venegas-Toloza, Matías, Reyes-Fuentes, María, Zúñiga-Arbalti, Felipe, Bustamante, Luis, García-Cancino, Apolinaria, Alarcón-Enos, Julio, Pastene-Navarrete, Edgar

“…Polyphenols from agro-food waste represent a valuable source of bioactive molecules that can be recovered to be used for their functional properties. Another…”
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Tyrosinase Inhibitors from Calceolaria integrifolia s.l.: Calceolaria talcana Aerial Parts by Muñoz, Evelyn, Avila, Jose G, Alarcón, Julio, Kubo, Isao, Werner, Enrique, Céspedes, Carlos L

“…As a defense mechanism of the aerial parts of Calceolaria talcana (Calceolariaceae; formerly Scrophulariaceae) against herbivore offenses and insect pest…”
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Ceanothanes Derivatives as Peripheric Anionic Site and Catalytic Active Site Inhibitors of Acetylcholinesterase: Insights for Future Drug Design by Pastene-Burgos, Sofía, Muñoz-Nuñez, Evelyn, Quiroz-Carreño, Soledad, Pastene-Navarrete, Edgar, Espinoza Catalan, Luis, Bustamante, Luis, Alarcón-Enos, Julio

“…Alzheimer's disease (AD) is a multifactorial and fatal neurodegenerative disorder. Acetylcholinesterase (AChE) plays a key role in the regulation of the…”
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Assessment of Insecticidal Activity of Benzylisoquinoline Alkaloids from Chilean Rhamnaceae Plants against Fruit-Fly Drosophila melanogaster and the Lepidopteran Crop Pest Cydia pomonella by Quiroz-Carreño, Soledad, Pastene-Navarrete, Edgar, Espinoza-Pinochet, Cesar, Muñoz-Núñez, Evelyn, Devotto-Moreno, Luis, Céspedes-Acuña, Carlos L, Alarcón-Enos, Julio

“…The Chilean plants , (Rhamnaceae), (Monimiaceae), and (Lauraceae) were evaluated against Codling moth: L. (Lepidoptera: Tortricidae) and fruit fly (Diptera:…”
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In vitro micropropagation and alkaloids analysis by GC–MS of Chilean Amaryllidaceae plants: Rhodophiala pratensis by Trujillo‐Chacón, Lina M., Pastene‐Navarrete, Edgar R., Bustamante, Luis, Baeza, Marcelo, Alarcón‐Enos, Julio E., Cespedes‐Acuña, Carlos L.

“…Introduction Plants from Amaryllidaceae family are of interest since they produce a particular type of alkaloid useful for the treatment of neurodegenerative…”
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Dyhidro-β-agarofurans natural and synthetic as acetylcholinesterase and COX inhibitors: interaction with the peripheral anionic site (AChE-PAS), and anti-inflammatory potentials by Alarcón-Enos, Julio, Muñoz-Núñez, Evelyn, Gutiérrez, Margarita, Quiroz-Carreño, Soledad, Pastene-Navarrete, Edgar, Céspedes Acuña, Carlos

“…In order to find molecules of natural origin with potential biological activities, we isolate and synthesise compounds with agarofuran skeletons…”
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Association between Polymerization Degree of Apple Peel Polyphenols and Inhibition of Helicobacter pylori Urease by Pastene, Edgar, Troncoso, Miriam, Figueroa, Guillermo, Alarcón, Julio, Speisky, Hernán

“…Apple peel extracts and their fractions pooled according to their molecular size were prepared and evaluated for their inhibitory activity against Helicobacter…”
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Phytochemical profile and the antioxidant activity of Chilean wild black-berry fruits, Aristotelia chilensis (Mol) Stuntz (Elaeocarpaceae) by Céspedes, Carlos L., Valdez-Morales, Maribel, Avila, José G., El-Hafidi, Mohammed, Alarcón, Julio, Paredes-López, Octavio

“…From ethanolic, water extracts and their fractions of mature fruits of wild black-berry Aristotelia chilensis (Mol) Stuntz (Elaeocarpaceae), different phenolic…”
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In Vitro Inhibitory Effect of Apple Peel Extract on the Growth of Helicobacter pylori and Respiratory Burst Induced on Human Neutrophils by Pastene, Edgar, Speisky, Hernán, Troncoso, Miriam, Alarcón, Julio, Figueroa, Guillermo

“…In the present work, the in vitro effect of a standardized extract of apple peel APPE (60% of total polyphenols; 58% of flavonoids; 30% of flavan-3-ols and…”
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Chilean Rhubarb, Gunnera tinctoria (Molina) Mirb. (Gunneraceae): UHPLC-ESI-Orbitrap-MS Profiling of Aqueous Extract and its Anti- Helicobacter pylori Activity by Hebel-Gerber, Sonja, García-Cancino, Apolinaria, Urbina, Angélica, Simirgiotis, Mario J, Echeverría, Javier, Bustamante-Salazar, Luis, Sáez-Carrillo, Katia, Alarcón, Julio, Pastene-Navarrete, Edgar

“…The full UHPLC-MS metabolome fingerprinting and anti- effect of (Molina) Mirb. (Nalca) total extract (GTE) and fractions prepared from its edible fresh…”
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Neuroprotective activity of isoquinoline alkaloids from of Chilean Amaryllidaceae plants against oxidative stress-induced cytotoxicity on human neuroblastoma SH-SY5Y cells and mouse hippocampal slice culture by Trujillo-Chacón, Lina M., Alarcón-Enos, Julio E., Céspedes-Acuña, Carlos L., Bustamante, Luis, Baeza, Marcelo, López, Manuela G., Fernández-Mendívil, Cristina, Cabezas, Fabio, Pastene-Navarrete, Edgar R.

“…In this study we evaluate the chemical composition and neuroprotective effects of alkaloid fractions of the Amaryllidaceae species Rhodophiala pratensis,…”
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Identification of structurally diverse alkaloids in Talguenea quinquinervia (gill. Et hook) by liquid chromatography/electrospray ionisation tandem mass spectroscopy and insecticidal activity by Quiroz‐Carreño, Soledad, Céspedes‐Acuña, Carlos L., Seigler, David S., Alarcón‐Enos, Julio

“…Introduction Talguenea quinquinervia has been used in folk medicine and to dye wool, and the main constituents are alkaloids and triterpenes. Identification of…”
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Biopesticides from plants: Calceolaria integrifolia s.l by Céspedes, Carlos L., Salazar, Juan R., Ariza-Castolo, Armando, Yamaguchi, Lydia, Ávila, José G., Aqueveque, Pedro, Kubo, Isao, Alarcón, Julio

“…The effects of persistent organic pollutants (POPs) on humans and biodiversity are multiple and varied. Nowadays environmentally-friendly pesticides are…”
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Fractionation and Hydrolyzation of Avocado Peel Extract: Improvement of Antibacterial Activity by Trujillo-Mayol, Igor, Casas-Forero, Nidia, Pastene-Navarrete, Edgar, Lima Silva, Fabiana, Alarcón-Enos, Julio

“…Avocado Hass ( Mill) peel extract (APE) has the potential as a natural ingredient to substitute for chemical preservatives. The objectives of this study were…”
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Antifungal activities of extracts produced by liquid fermentations of Chilean Stereum species against Botrytis cinerea (grey mould agent) by Aqueveque, Pedro, Céspedes, Carlos L., Alarcón, Julio, Schmeda-Hirschmann, Guillermo, Cañumir, Juan A., Becerra, José, Silva, Mario, Sterner, Olov, Radrigán, Rudy, Aranda, Mario

“…Extracts obtained from liquid mycelial fermentations of Chilean species of the Stereum genus showed antifungal activity against Botrytis cinerea. Thirty-six…”
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Synthesis and characterization of ZnO nanorod films for photocatalytic disinfection of contaminated water by Rodríguez, Juan, Paraguay-Delgado, F., López, Alcides, Alarcón, Julio, Estrada, Walter

“…The growth of ZnO nanorods on a flat substrate was studied as a function of the main parameters used in their preparation and their ability to…”
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Effect of γ-irradiation on the growth of ZnO nanorod films for photocatalytic disinfection of contaminated water by Alarcón, Julio, Ponce, Silvia, Paraguay-Delgado, Francisco, Rodríguez, Juan

“…Nanorod films fabricated onto γ-irradiated seeds showing crystalline texture. Inset shows a micrograph of the best textured film. [Display omitted] ► ZnO seed…”
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The Relationship between Fruit Size and Phenolic and Enzymatic Composition of Avocado Byproducts (Persea americana Mill.): The Importance for Biorefinery Applications by Trujillo-Mayol, Igor, Badillo-Muñoz, Guillermo, Céspedes-Acuña, Carlos, Alarcón-Enos, Julio

“…Avocado byproducts are a rich source of health-promoting biomolecules. The purpose of this work is to study three groups of statistically different avocado…”
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