<P>PROBLEM TO BE SOLVED: To provide: Undaria Pinnatifida dry substance; a method for producing the Undaria Pinnatifida dry substance; and noodle and bread each containing the Undaria Pinnatifida dry substance to be improved in palate feeling. ??<P>SOLUTION: The Undaria Pinnatifida dry substance (1) is obtained by converting Undaria Pinnatifida into sol in a pH 7-9 solution containing the Undaria Pinnatifida, and thereafter drying the sol-state Undaria Pinnatifida. The method for producing the Undaria Pinnatifida dry substance (2) comprises a process of converting Undaria Pinnatifida into sol in a pH 7-9 solution containing the Undaria Pinnatifida to obtain a sol-state Undaria Pinnatifida-containing solution, and a process of drying the obtained sol-state Undaria Pinnatifida-containing solution to produce the dry substance. The noodle or the bread (3) contains the Undaria Pinnatifida dry substance (1). ??<P>COPYRIGHT: (C)2010,JPO&INPIT ??