Escudo de la República de Colombia

Directorio por Dependencias

Gonzalo Díaz

Categoría: Profesor Titular
Departamento: Salud Animal
Área conocimiento: Toxicología
Dedicación: Exclusiva
Teléfono / Extensión: 3165000-19450


1988 - Universidad Nacional de Colombia - Médico Veterinario -

1994 - University of Guelph, Canada - Toxicology/Pathology -

2000 - University of Guelph, Canada - Toxicology/Nutrition -

2005 - University of Guelph, Canada - Fellow at the Proteomics Laboratory -

Área interés

Tóxicos de origen natural, especialmente micotoxinas y plantas tóxicas


  1. Diaz, G.J., Almeida, l.X. & Gardner, D.R. 2014 Effects of dietary Crotalaria pallida seeds on the health and performance of laying hens and evaluation of residues in eggs. Research in Veterinary Science (in press).
  2. Chegwin, C., Nieto, I, Díaz, G.J.,Rojas, R., Sepúlveda, l. & Atehortua l. 2013. Evaluation of a method using high performance liquid chromatography with ultraviolet detection for the determination of statins in macromycetes of the genus Pleurotus cultivated by fermentation processes. Talanta, 116(1):56-64.
  3. Díaz, G.J., Cepeda, S.M. & Martos, P.M. 2012. Stability of aflatoxins in solution. Journal of the AOAC International, 95(4):1084-1088.
  4. Murcia, H.W., Díaz, G.J. & Cepeda, S.M. 2011. Enzymatic activity in turkey, duck, quail and chicken liver microsomes against four human cytochrome P450 prototype substrates and aflatoxin B1. Journal of Xenobiotics, 1(e4):17-21.
  5. Díaz, G.J., Cortes, A. & Cepeda, S.M. 2011. Effect of feeding hens trout by-product meal or tuna fish oil on production parameters and yolk fatty acid profile. Revista Colombiana de Ciencias Pecuarias, 24(4):609-616.
  6. Díaz, G.J., Murcia, H.W. & Cepeda, S.M. 2010. Bioactivation of aflatoxin B1 by turkey liver microsomes: Responsible Cytochrome P450 enzymes. British Poultry Science, 51(6):828-837.
  7. Díaz, G.J., Murcia, H.W. & Cepeda, S.M. 2010. Cytochrome P450 enzymes involved in the metabolism of aflatoxin B1 in chickens and quail. Poultry Science, 89(11):2461-2469.
  8. Díaz, G.J., Murcia, H.W., Cepeda, S.M. & Boermans, H.J. 2010. The role of selected cytochrome P450 enzymes on the bioactivation of aflatoxin B1 by duck liver microsomes. Avian Pathology, 39(4):279-285.
  9. Martos, P.A., Thompson, W. & Díaz, G.J. 2010. Multiresidue mycotoxin analysis in wheat, barley, oats, rye and maize grain by hihg-performance liquid chromatography-tandem mass spectrometry. World Mycotoxin Journal, 3(3):205-223.
  10. Díaz, G.J., Thompson, W. & Martos, P.A. 2010. Stability of cyclopiazonic acid in solution. World Mycotoxin Journal, 3(1):25-33.

Participaciones en eventos

  • March 23-27, 2014. Participation with a poster presentation in the 53rd Annual Congress of the Society of Toxicology, Phoenix Convention Center, Phoenix, Arizona, USA.
  • May 4-8, 2009. Speaker at the “8th International Symposium on Poisonous Plants”, João Pessoa, Paraíba, Brasil.
  • September 17-20, 2008. Speaker at the “III World Nutrition Forum”, Tirol, Austria.
  • September 7-8, 2006. Speaker at the “II World Nutrition Forum”, Vienna, Austria.
  • April 14-17, 2006. Speaker at the “International Conference on Avian Nutritional and Metabolic Disorders”. Nanjing Agricultural University and Shanxi Agricultural University. Nanjing, China.
  • May 11-13, 2005. Guest lecturer at the National Poultry Congress organized by the Venezuelan Federation of Poultry Producers (AMEVEA). Caracas, Venezuela.
  • September 24-26, 2003. Guest lecturer at the IV Latin-American Congress on Mycotoxicology, National Center for Animal Health, La Havana, Cuba.
  • April 19, 2002. Speaker at the "First Latin-American Forum on Grain Management", Guadalajara, México
  • March 22-24, 2000. Speaker at the "VIII Jornada Nacional Avícola", San José, Costa Rica.
  • May 18-21, 1998. Speaker at the IX Brazilian Meeting on Mycotoxins. Florianópolis, Santa Catarina, Brazil.