The document discusses efresh technology by Michael Singer, which measures food freshness and palatability through impedance plethysmography, a method that evaluates changes in cellular structures of food. It highlights the impact of processing, preservation, and transportation on food quality and details how efresh can be integrated into the food supply chain to enhance food safety, quality, and financial margins. The technology offers a quantitative assessment for food retailers and restaurants aiming to ensure optimal food freshness and palatability.