Rheological Properties of Pullulan by TSCr

Abstract

Pullulan films have been used as food packaging materials and food materials. However, its rheological properties have not yet been studied in detail (1). So it is desirable to know the relationship between the chemical structure and rheological properties not only for scientific interest but also for developing further utilization. We have studied its rheological properties by thermally stimulated creep. Many investigations have been done on dielectric and mechanical properties of polysaccharides, and so comparison of the properties of pullulan with those of other polysaccharides may shed some light on the relaxational process.