The current research work was carried out in the laboratories of the Agroindustrial Engineering Faculty of the National University of San Martín. It was done in three stages: first stage, benefit and obtainance of the pig skin as raw material; second, elaboration ofthe ''Expanded pig skin"; and third, Evaluation ofthe appropriate package for the storage of the expanded pig skin for 90 days long, and therefore evaluating physical-chemical, organoleptic and microbiological behavior of the product under two temperature conditions of28ºC and 37ºC. It was used the skin of a 6 months old LANDRACE race pig, obtaining the eviscerated pig with weight of 62,5 Kg, with 11,50 Kg of skin wich represents 18.4% ofthe eviscerated pig, head 6,4%, feet 1,6%, bones 14,4%, rubish 9,6%. A visual inspection was carried out to the pig skin for to determínate the presence of hair, and the it was cutted into...

Actividad minera y suelos contaminados en el sector de Km 100 La Pampa región Madre de Dios