A multidisciplinary protocol is proposed to monitor the preservation of fresh pumpkin samples (FP) using three commercial polymeric films: A made of biodegradable cellophane from regenerated cellulose pulp; B from corn starch. cassava and eucalyptus. C made of polylactic acid from corn starch. and a polyethylene film used as reference (REF). https://lockdownsecuritycanada.shop/product-category/gps-antenna/