Chinese water chestnut is an abundant and special resource in china, and Chinese water chestnut starch (CWCS) has good gelling character and functional property, which exceeds many other starches. Comparing to corn starch and cassava starch, exploitation and reports on CWCS is so poor in China, although China is one of the original places of water chestnut. Modern methods and theory of polymer science were used to investigate and illuminate CWCS gel. Granular structure, gelatinization, retrogradatio...