2008 年 7 巻 4 号 p. 749-757
This paper proposes a system for value-added information service using human-friendly machine-readable colorcode pictograms for safety and reliability. The proposed system called Zipic provides the following functions;(1) informationinfrastructure for food safety, (2) reliable certification for egg quality, and (3) promotion of dietary education for quality of life. Theresult of the questionnaire survey shows that consumers strongly rely on our Zipic system in shopping to receive value added egg anddietary information.