In order to characterize by the technique of X-ray fluorescence energy dispersive quinoa grain for human consumption, 8 samples of different trademarks of quinoa, which are distributed in the local market were analyzed; together one reference materials certified by the International Atomic Energy Agency (IAEA) was analyzed. The results show the presence of elements such as K, Ca, Mn, Fe, Cu, Zn, Rb and Sr, the same as compared to data reported in various studies in neighboring countries like Ecuador, Chile and Bolivia. (authors).
Olivera de Lescano, Paula, E-mail: email@example.com;  Nieto Aco, Daniel 
- Direccion de Investigacion y Desarrollo, Instituto Peruano de Energia Nuclear, Av. Jose Saco km 12.5, Carabayllo, Lima (Peru)
- E.P.A. de Quimica, Facultad de Ciencias, Universidad Nacional de Ingenieria, Av. Tupac Amaru 210, Lima (Peru)