EFresh® Device measures food quality and freshness on a cellular level. Previously frozen food is often sold as fresh out of ignorance or for greater profits. EFresh®: A medical diagnostic technique applied to food (meat, fish, poultry, fruits & vegetables). Measurement of electrical values correspond directly to freshness and palatability (juiciness, tenderness, flavorfulness). Use EFresh® to further distinguish your brand and build better customer relationships.