1. Institute of Nutrition and Food Technology (INTA)University of ChileP.O. Box 138‐11SantiagoChile
2. Faculty of Biological SciencesCatholic University of ChileAv. Libertador B. O'Higgins 340SantiagoChile
3. Faculty of Chemistry and BiologyUniversity of Santiago of ChileAve. Matucana 28‐DSantiagoChile