Adding sweet potato residue to noodles,the paper researched the granularity and the additive amount of sweet potato residue as well as the rolling thickness of noodles which have the influence of sweet potato residue noodles.The results showed that when the sweet potato residue is over 100 mesh screen,its additive amount was 9%,the rolling thickness of noodles was 1.3mm,the sensory quality of the noodle is the best.In this processing conditions,the bibulous rate of the noodle was 233.03%,the loss rate...