Food safety; Dietary risk assessment of food hazards; mycotoxins; pesticides; aflatoxins; heavy metals; Samonella; E. coli, Listeria; Campylobacter

1) Postdoc guidance
- Andrea Müller "Evaluation of the antifungal effect of native essential oil on isolates of fungi belonging to the genus Candida sp", co-realization UOH- University of Chile. 2018-2020.
- Dr. Mohammad Abdul Waseem “Probiotics for Sustainable Apiculture: Improving Honey Bee Health”. 2025-26.

2) Master thesis guidance
2015- to date: Collaborator Magister in Food mention Management, Quality and Food Safety, University of Chile. Direction of 3 completed Theses and Food Risk Assessment classes (Magíster en Alimentos mención Gestión, Calidad e Inocuidad de los alimentos, Universidad de Chile)
- Rocío Moscol, MSc "Evaluation, design and implementation of pre-requirements programs in a non-pasteurized cold-pressed juice manufacturing company "
- Emilio Jimenez. MSc "Implementation and verification of the ISO/TS 13136 reference method for the detection of Shiga toxin-producing Escherichia coli in national produced beef ".
- Dominique Zapata, MSc "Study of the relationship between the drying process and the storage conditions of red chili pepper (Capsicum annuum var. Longum) in the reduction of aflatoxins"
- Celia Esther Salazar Cáceres "Factors that impact compliance with the Prerequisite Programs in ice cream chain stores in the Metropolitan region of Santiago".

3) Undergraduate guidance
Thesis for Veterinarian Title:
- Bárbara Ramirez: Ocurrencia y Concentración de Micotoxinas en Avena Instantánea en Chile. January, 2023
- Sophia Vázquez: Evaluación del Riesgo de Micotoxinas por el Consumo de Avenas Instantáneas en Chile. January, 2023
- Juan Pablo Correa: Evaluación del riesgo en los metales pesados por el consumo de productos pesqueros en la población de Chile. March 2024
- Valentina Escobar. Evaluación de la calidad microbiológica de mieles en zona geográfica centro – sur de Chile. March 2024
- Pía Soto. Análisis de los principales peligros alimentarios bacterianos presente en las carnes y productos cárnicos en Chile entre 2013 - 2023. March 2024
- Fernanda Córdova. Análisis del biomarcador urinario de aflatoxina (AFM1) en población humana de Molina, región del Maule. March 2024
- Catalina Carrasco. Análisis de la calidad microbiológica en alimentos elaborados por pequeños productores en la Región de O'Higgins. March 2024
- Jorge Fuentes Evaluación de los efectos crónicos de bacterias patógenas en alimentos para la salud humana: Una revisión narrativa, para optar al título de Médico Veterinaria, UOH. 2025.
- Mariana González Revisión Sistemática de peligros zoonóticos asociados a daño renal en humanos, para optar al título de Médica Veterinaria, UOH. 2025.
- Jayson Cabezas Revisión sistemática: peligros alimentarios químicos y biológicos asociados a daño renal en humanos para optar al título de Médico Veterinaria, UOH. 2025.
- Victoria Soto Análisis de la calidad microbiológica de hortalizas producidas por pequeños productores de la Región de O’Higgins para optar al título de Médica Veterinaria, UOH. 2025.

Responsible Professor of Veterinary Medicine, University of O'Higgins:
-2018: Introduction to Veterinary Medicine, Head of Training Practice (45 students, first year)
-2019-2023: Epidemiology (50-70 students, second year)
-2021- 2026: Food Safety (50 students, fourth year)
- 2023-2026: Advance topics of Food Safety (professional elective, 10 students, 5th year).
Collaborator of the courses Introduction to Veterinary Medicine, Biostatistics, and Microbiology.

Responsible Professor of Nutrition, University of O'Higgins:
2024-26: Live agents and hygiene of food (44 students, second year)
2025-26: Food Safety and quality (50 students, third year).

1) Congress Presentations (first author)
- Claudia Foerster. Mycotoxins in food: occurrence in Chile and challenges due to climate change. Presentación oral. IX Congreso Latinoamericano de Micotoxicología, Bariloche, Argentina. 21-24 octubre 2025.
- Claudia Foerster. Exposición a micotoxinas y pesticidas dietarios y su asociación con cáncer: evidencia en Chile y el mundo. Presentación oral. 2do Congreso Interdisciplinario en Ciencias de la Salud, Universidad de O’Higgins, 30 julio al 1 agosto 2025.
- Claudia Foerster. Mycotoxin exposure in Chilean population and possible health implications. Presentación oral. 2025 Mycotoxins and Phycotoxins Gordon Research Conference, Easton, EE.UU. 15-20 junio 2025.
- Claudia Foerster. Mycotoxins and climate change: challenges in South American countries for small farmers’ production to increase resilience. Presentación oral plenaria a 15th conference of The World Mycotoxin Forum® – WMFmeetsSalzburg, Austria, on 7-9 April 2025
- 2024 Dietary pesticide exposure for Coquimbo, O’Higgins, and Maule populations because of fruit and vegetable consumption. XII Congress of Toxicology in Developing Countries -XII CTDC. April 2024.
- 2023 Infant’s exposure to mycotoxins from the consumption of milk formula and baby cereal in Chile. 44th Mycotoxin Workshop Germany, June.
- 2023 “Infant's exposure to ochratoxin A, zearalenone and deoxynivalenol from the consumption of milk formula and baby cereal in Chile”. International Conference on Food Contaminants 2023 (ICFC 2023). Brasil, September.
- 2022 Evaluación del riesgo de micotoxinas por el consumo de avenas instantáneas en Chile, Exposición de la población chilena a aflatoxina por el consumo de leche, Ocurrencia y concentración de micotoxinas en avenas instantáneas en Chile. Cumbre Inofood, Santiago, November 2022.
- 2022 Fusarium mycotoxins co-occurrence in corn-based breakfast cereals and exposure in children. ONE Conference 2022, virtual poster. 21-24 junio 2022
- 2022 Exposure to Fusarium mycotoxins from the consumption of corn cereal in Chile. 3rd International Conference on Agriculture, Food Security and Safety, virtual oral presentation
- 2021 Ocurrencia de micotoxinas en cereales para el desayuno en Chile. XLIII Congreso Chileno de Microbiología, virtual poster presentation
- 2021 Exposición a micotoxinas en niños por consumo de cereal. VI Jornadas de Toxicología 2021, virtual oral presentation
- 2021 Assessment of multi-mycotoxin exposure in a rural county of Chile by urinary biomarker determination and association with food consumption. 42nd Mycotoxin Workshop, virtual oral presentation
- 2021 Risk estimation for aflatoxin M1 due to milk consumption in Chilean children. IAFP 2021 European Symposium. Oral Poster
- 2021 “Pesticide exposure and health risk assessment for Chilean population”. Speaker at the Scientific Workshop on Research in Agricultural Workers Exposed to
Pesticides, Claudia Foerster Guzmán Workshop with national and international experts International Pesticides Network
- 2020 Estimation of the risk of aflatoxin in Chile VII Latin American Symposium of the International Association for Food Protection (IAFP) - Claudia Foerster Guzmán et al.
Latin America. Oral presentation.
- 2020 Occurrence of mycotoxins in food in Chile. LXX Agronomic Congress, Claudia Foerster Guzmán et al.
- 2020 Occurrence and risk of mycotoxins in Chile. Mycotoxins Seminar CHILE, YGEIA Claudia Foerster Guzmán http://videos.ygeia.cl/ Latin America
- 2020 Risk estimation for aflatoxin M1 due to dairy consumption in Chile, 2020 Global One Health Conference. Claudia Foerster Guzmán et al. International conference
- 2019 Estimation of ochratoxin A exposure due to coffee consumption in a rural area. 41th Mycotoxin Workshop. Claudia Foerster Guzmán et al.
- 2019 Risk estimation for ochratoxin A and aflatoxins due to capsicum consumption in a Chilean rural area. The World Mycotoxin Forum. Claudia Foerster Guzmán et al.
- 2018 Exposure estimation for ochratoxin A and aflatoxins due to red chili powder consumption in a Chilean rural area. EFSA conference. Claudia Foerster Guzmán et al.
- 2017 Estimation of exposure to ochratoxin A and aflatoxins from the consumption of powdered red pepper in an agricultural commune. II SOTOX Congress. Claudia Foerster Guzmán et al.
- 2017 Estimation of the contribution of the consumption of powdered red pepper to ochratoxin exposure in an agricultural commune XIII ISP Scientific Conference Claudia Foerster Guzmán et al.

2) Participation in the Scientific / Organizing Committee
- 2025 74° Congreso Agronómico de Chile (SACH) -Scientific committee https://www.uoh.cl/congreso-agronomico-de-chile/74-congreso-agronomico/#comit%C3%A9-cient%C3%ADfico
- 2025 IX Congreso Latinoamericano de Micotoxicología- Scientific committee https://sites.google.com/comahue-conicet.gob.ar/ram-clam-2025/comisi%C3%B3n-organizadora
- 2024. Topic Editor Frontiers in Chemical Biology https://www.frontiersin.org/research-topics/59199/occurrence-and-determination-of-natural-toxins-in-food-samples
-2019 XIII Regional School Congress of Sciences and Technology EXPLORA 2019 (CRECyT) Chile
-2018 I International Congress of Women, Society and Interdiscipline: experiences + research, Chile

3) Professional Activity and Relationship with the environment
- 2021- to date: Member of the National Codex Alimentarius Committee on Contaminants in Food (CCCF), Codex Alimentarius, Chile
- 2019- to date: Representative UOH Network of Food Safety Culture and Regional Assessor Committee of ACHIPIA, Chile

4) Diffusion and broadcasting
2025 10 años, 10 historias: https://www.youtube.com/watch?v=TCC8CMnySec
2025 Ciencia en 10 minutos: https://www.youtube.com/watch?v=rsZuwRRIrAU
2025 Conservación de frutas y verduras: la clave en salubridad para evitar desperdicios en época de verano https://www.diarioelpulso.cl/2025/02/17/conservacion-de-frutas-y-verduras-la-clave-en-salubridad-para-evitar-desperdicios-en-epoca-de-verano/
2025 Día de la Inocuidad Alimentaria: el rol de la ciencia en el consumo de alimentos seguros https://radionuevomundo.cl/2025/06/06/dia-de-la-inocuidad-alimentaria-el-rol-de-la-ciencia-en-el-consumo-de-alimentos-seguros/
2025 Más de 90 apicultores fortalecen su competitividad en taller sobre normativa y trazabilidad apícola en O’Higgins https://vi.cl/2025/01/mas-de-90-apicultores-fortalecen-su-competitividad-en-taller-sobre-normativa-y-trazabilidad-apicola-en-ohiggins/
2025 Ocho productores de O’Higgins obtienen por primera vez certificación que acredita bajo riesgo alimentario en sus procesos https://www.diarioelpulso.cl/2025/06/27/ocho-productores-de-ohiggins-obtienen-por-primera-vez-certificacion-que-acredita-bajo-riesgo-alimentario-en-sus-procesos/
2025 TV en vivo. Reporte Agrícola C16 T02: Inocuidad alimentaria https://www.reporteagricola.cl/noticia/capitulos-completos/2025/07/c16-t02-inocuidad-alimentaria
https://www.youtube.com/watch?v=wsBVHDvAbp8&t=600s
-2024 ICA3 de la Universidad de O’Higgins explica calor y comestibles: cómo proteger tus alimentos durante los meses más cálidos. Diario el Pulso https://www.diarioelpulso.cl/2024/02/27/ica3-de-la-universidad-de-ohiggins-explica-calor-y-comestibles-como-proteger-tus-alimentos-durante-los-meses-mas-calidos/amp/
- 2023 Especialistas advierten que altas temperaturas aumentarán las infecciones estomacales. https://ucvradio.cl/noticia.php?nid=70782
- 2022 Preocupación por cocinerías ilegales que se toman las calles.https://drive.google.com/file/d/1P2aVUSDsENcE3gqPj5a5V_rD2yIb5RA9/view
- 2022 Agricultores de Cooagricam realizan capacitación sobre inocuidad en la producción de hortalizas http://lanoticiaonline.cl/agricultura/agricultores-de-cooagricam-realizan-capacitacion-sobre-inocuidad-en-la-produccion-de-hortalizas/
- 2022 https://www.meganoticias.cl/calidad-de-vida/364658-como-guardar-alimentos-en-refrigerador-12-01-2022.html
- 2022 https://www.radioagricultura.cl/elagro/2022/01/05/la-importancia-de-las-buenas-practicas-agricolas-para-producir-mejores-alimentos.html
- 2022 https://www.24horas.cl/regiones/ohiggins/region-cuenta-con-el-primer-laboratorio-que-permitira-garantizar-la-inocuidad-alimentaria-5196042
- 2021 https://www.elrancaguino.cl/2021/06/08/opinion-alimentos-inocuos-ahora-para-un-manana-saludable/
- 2021 https://www.radioagricultura.cl/elagro/2021/12/13/aconsejan-adoptar-medidas-para-mantener-la-inocuidad-alimentaria-ante-altas-temperaturas.html
- 2021 https://ohigginsaldia.cl/2021/05/07/investigadora-uoh-es-delegada-nacional-para-reunion-del-comite-del-codex-sobre-contaminantes-de-los-alimentos/
- 2020 Food Safety Culture: a national view Organizer and panelist of the Seminar https://youtu.be/V4ieXkHrUvs
- 2020. Diario Rancagua Académica UOH investigates mycotoxin risks in cereals consumed by children under 5 years of age in Chile
http://diariorancagua.cl/academica-uoh-investiga-riesgos-de-micotoxinas-en-cereales-consumidospor-menores-de-5-anos-en-chile/
- 2020 Rengo in the News. Regional Council participates in the cycle of exhibitions of UOH projects
- 2020 Interview Program El Agro de radio Agricultura https://www.radioagricultura.cl/podcasts/2020/07/04/el-agro-sabado-04-julio-2020.html
- 2020 Attractive radio interview https://www.youtube.com/watch?v=KvL-e97RpTs&fbclid=IwAR1UBNol6RRPeY2tdK7LflnKJ5-
S5IxzeTWmvI3Fs1YiGon3aXoxGX3rBDc
- 2020 El Rancaguino Expert in food safety: “Foodborne diseases not only cause gastroenteritis; also serious and chronic diseases ”https://www.elrancaguino.cl/2020/09/28/experta-en-inocuidad-alimentaria-las-enfermedadestransmitidas-por-los-alimentos-no-solo-producen-gastroenteritis-tambien- chronic-serious-diseases /
- 2020 Portal del Campo Project seeks to implement an Agri-Food Safety Seal in products from the O’Higgins region.
https://portaldelcampo.cl/Noticias/77508_Proyecto-busca-implementar-un-Sello-de-InocuidadAgroalimentaria-en-productos-de-la-regi%C3%B3n-de-OHiggins.html
- 2020 La Noticia Online UOH academic project seeks to turn O’Higgins into “the region of innocuousness
food ”http://lanoticiaonline.cl/actualidad/proyecto-de-academica-uoh-busca-convertir-a-ohiggins-en-laregion-de-la-inocuidad-alimentaria/
- 2020 Diario VI Región UOH advances in projects of inclusion, entrepreneurship and agri-food safety
https://www.diarioviregion.cl/index.php/noticias/13336-uoh-avanza-en-proyectos-de-inclusionemprentación-e-inocuidad-agroalimentaria
- 2019 Interview Radio Manía de San Fernando
- 2015 - 2019 Talk Foodborne diseases: prevention in your hands Colegio Don Bosco, Rancagua; Ena Bellemans Montti School, Rancagua; Luis Galdames Municipal School, Rengo. 2015-2018-2019. Explore 1000 scientists 1000 classrooms
- 2018 El Typographer Newspaper Fungi and mycotoxins in food: recommendations for self-care
- 2018 Radio Universidad de Chile, Program "A tu Salud" https://radio.uchile.cl/programas/a-tu-salud/485802/
- 2017 Talk Mycotoxins: health effects and situation in Chile http://www.udesantiagoaldia.usach.cl/content/experta-en-micotoxinas-alerta-sobre-sus-peligrososefectos-en-la-salud. Dept. Science and Technology USACH
- 2017 Health Effects of Food Contamination by Fungi: Aflatoxin Evidence and Prevention