PURPOSE: Wheat flour, corn starch and sweet potato starch which have viscosity are provided, therefore noodles produced therefrom is less likely to be swollen in water and has a softer texture than conventional noodles. CONSTITUTION: The wheat flour, corn starch and sweet potato starch having viscosity are produced by individual addition of pulverized Polygonatum officinale All or pulverized Dioscoreae Radix to each wheat flour, corn starch and sweet potato starch, wherein the pulverized Polygonatum officinale All is prepared by collecting and washing Polygonatum officinale All with water and followed by drying, roasting and pulverizing it; and the pulverized Dioscoreae Radix is prepared by collecting and washing Dioscorea Batatas DECNE. with water and followed by drying and pulverizing it.
