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Ekaterina Valerievna Pokrant Huerta

Responsable I+D

Universidad de Chile

Santiago, Chile

Inocuidad de alimentos, Salud Pública, Residuos de medicamentos veterinarios en piensos y matrices alternativas, Resistencia antimicrobiana

Medico Veterinario, UNIVERSIDAD DE CHILE. Chile, 2012
DOCTORA EN CIENCIAS SILVOAGROPECUARIAS Y VETERINARIAS., UNIVERSIDAD DE CHILE. Chile, 2022
Master, UNIVERSIDAD DE CHILE. Chile, 2017

Responsable I+D Full Time

Universidad de Chile

SANTIAGO, Chile

2022 - At present
Profesor Invitado Other

Universidad de Chile

SANTIAGO, Chile

2021 - 2022
Coordinadora proyecto de investigación Part Time

Universidad de Chile

SANTIAGO, Chile

2018 - 2022

Dirección de 3 tesis de pregrado.

Diversas actividades de divulgación las que incluyen aproximadamente 10 charlas en jornadas de investigación de programas de postgrado y 12 presentaciones en congresos.


Depletion of oxytetracycline plus epi-oxytetracycline residues in rainbow trout (Oncorhynchus mykiss) and Atlantic salmon (Salmo salar) under field conditions in Chile San Martin, Betty; Fresno, Marcela; Maddaleno, Aldo; Burgos, Jose Miguel; Anadon, Arturo; Zavala, Sebastian; Lapierre, Lisette; Pokrant, Ekaterina; Cornejo, Javiera Article ISI AQUACULTURE (2021)
Detection of Antimicrobial Residues in Poultry Litter: Monitoring a Risk through a Selective and Sensitive HPLC-MS/MS Method Yevenes, Karina; Pokrant, Ekaterina; Trincado, Lina; Lapierre, Lisette; Galarce, Nicolas; San Martin, Betty; Maddaleno, Aldo; Hidalgo, Hector; Cornejo, Javiera Article ISI Animals (2021)
Determination of five antimicrobial families in droppings of therapeutically treated broiler chicken by high-performance liquid chromatography-tandem mass spectrometry Pokrant, Ekaterina; Trincado, Lina; Yevenes, Karina; Terraza, Gigliola; Maddaleno, Aldo; San Martin, Betty; Zavala, Sebastian; Hidalgo, Hector; Lapierre, Lisette; Cornejo, Javiera Article ISI POULTRY SCIENCE (2021)
Evaluation of Antibiotic Dissemination into the Environment and Untreated Animals, by Analysis of Oxytetracycline in Poultry Droppings and Litter Pokrant, Ekaterina; Yevenes, Karina; Trincado, Lina; Terraza, Gigliola; Galarce, Nicolas; Maddaleno, Aldo; San Martin, Betty; Lapierre, Lisette; Cornejo, Javiera Article ISI Animals (2021)
Oxytetracycline and Florfenicol Concentrations in Food-Additive Premixes Authorised for Broiler Chickens: Assessing Degree of Agreement with Manufacturers Labelling Maddaleno, Aldo; Maturana, Matias; Pokrant, Ekaterina; San Martin, Betty; Cornejo, Javiera Article ISI Animals (2021)
Assessing Antibiotic Residues in Poultry Eggs from Backyard Production Systems in Chile, First Approach to a Non-Addressed Issue in Farm Animals Cornejo, Javiera; Pokrant, Ekaterina; Figueroa, Francisco; Riquelme, Ricardo; Galdames, Pablo; Di Pillo, Francisca; Jimenez-Bluhm, Pedro; Hamilton-West, Christopher Article ISI Animals (2020)
Assessing the depletion of lincomycin in feathers from treated broiler chickens: a comparison with the concentration of its residues in edible tissues Pokrant E.; Maddaleno A.; Lobos R.; Trincado L.; Lapierre L.; San MartÃn B.; Cornejo J. Article ISI SCOPUS FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT (2019)
Assessment of Three Antimicrobial Residue Concentrations in Broiler Chicken Droppings as a Potential Risk Factor for Public Health and Environment Yevenes, Karina; Pokrant, Ekaterina; Perez, Fernando; RIQUELME, RICARDO; Avello, Constanza; Maddaleno, Aldo; SAN MARTIN, BETTY; Cornejo, Javiera Article ISI SCOPUS INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH (2019)
Implementation and Validation of an Analytical Method for Lincomycin Determination in Feathers and Edible Tissues of Broiler Chickens by Liquid Chromatography Tandem Mass Spectrometry Maddaleno, Aldo; Pokrant, Ekaterina; Yanten, Francisca; San Martin, Betty; Cornejo, Javiera Article ISI SCOPUS JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY (2019)
Depletion of tylosin residues in feathers, muscle and liver from broiler chickens after completion of antimicrobial therapy Cornejo, J; Pokrant, E; Carvallo C.; Maddaleno, A; San Martin B. Article ISI SCOPUS FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT (2018)
Determination of Chlortetracycline Residues, Antimicrobial Activity and Presence of Resistance Genes in Droppings of Experimentally Treated Broiler Chickens CORNEJO, JAVIERA; Yevenes, Karina; Avello, Constanza; Pokrant, Ekaterina; Maddaleno, Aldo; SAN MARTIN, BETTY; LAPIERRE, LISETTE Article ISI SCOPUS MOLECULES (2018)
Determination of sulfachloropyridazine residue levels in feathers from broiler chickens after oral administration using liquid chromatography coupled to tandem mass spectrometry Pokrant, Ekaterina; Medina, Francisca; Maddaleno, Aldo; San Martín, Betty; CORNEJO, JAVIERA; Sant’Ana, Anderson de Souza Article ISI SCOPUS PLOS ONE (2018)
In-House Validation of HPLC-MS/MS Methods for Detection and Quantification of Tetracyclines in Edible Tissues and Feathers of Broiler Chickens Pokrant, EV; Maddaleno, AE; Araya, CE; San Martin, BV; Cornejo, J Article ISI SCOPUS JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY (2018)
Residue Depletion of Florfenicol and Florfenicol Amine in Broiler Chicken Claws and a Comparison of Their Concentrations in Edible Tissues Using LC-MS/MS Pokrant, Ekaterina; RIQUELME, RICARDO; Maddaleno, Aldo; SAN MARTIN, BETTY; Cornejo, Javiera Article ISI SCOPUS MOLECULES (2018)
Determination of Oxytetracycline and 4-Epi-Oxytetracycline Residues in Feathers and Edible Tissues of Broiler Chickens Using Liquid Chromatography Coupled with Tandem Mass Spectrometry Cornejo, Javiera; Pokrant, Ekaterina; Krogh, Magdalena; Briceño, Cristóbal; Hidalgo, Héctor; Maddaleno, Aldo; Araya-Jordán, Carolina; Martín, Betty San Article ISI SCOPUS JOURNAL OF FOOD PROTECTION (2017)
Residue depletion of oxytetracycline (OTC) and 4-epi-oxytetracycline (4-epi-OTC) in broiler chicken's claws by liquid chromatography-tandem mass spectrometry (LC-MS/MS) Cornejo, J.; Pokrant, E.; Araya, D.; Briceño, C.; Hidalgo, H.; Maddaleno, A.; Araya-Jordán, C.; San Martin, B. Article ISI SCOPUS FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT (2017)
Single-laboratory validation of an LC-MS/MS method for determining florfenicol (FF) and florfenicol amine (FFA) residues in chicken feathers and application to a residue-depletion study Cornejo, J.; Pokrant, E.; Riquelme, R.; Briceño, C.; Maddaleno, A.; Araya-Jordán, C.; San Martin, B. Article ISI SCOPUS FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT (2017)


Antimicrobial residues in eggs: assessment of their depletion, carry-over, and public health risk Ekaterina Pokrant Huerta Proyecto (2023)
Assessing Beta-lactams residues in broiler chickens: Full evaluation of metabolism and depletion of amoxicillin and ampicillin in edible and non-edible tissues. Cornejo, Javiera; Maddaleno, Aldo; Pokrant, Ekaterina; Vergara, Constanza Proyecto (2020)
Desarrollo y Validación de una Metodología Rápida, Económica, y No Invasiva para la detección de residuos de tetraciclinas, quinolonas, sulfonamidas, aminoglucósidos, macrólidos y ß-lactámicos en heces de animales de producción 1. Cornejo, Javiera; Hidalgo, Hector; Lapierre, Lisette N.; San Martin, Betty Proyecto (2020)
Implementation and validation of an analytical method for the identification and quantification of multi-class analytes in animal waste: a valuable tool for monitoring mixed contaminants in food producing animals Cornejo, Javiera; Maddaleno, Aldo; San Martín, Betty; Pokrant, Ekaterina; Lapierre, Lisette Proyecto (2017)
Evaluation of the bioaccumulation of antimicrobial residues in feathers of broiler chickens treated with commercial pharmaceutical formulations and their relation with the concentration of these residues in edible tissues Cornejo, Javiera Proyecto Technical support (2015)