| abstract |
(57) [Abstract] [Problem] High water retention regardless of the mixing ratio of solids, Provided is a filling composition in which water separation is significantly suppressed. As a gelling agent for a filling composition, (1) Dissolve in water at least below 50 ° C. (2) 1.5 % Aqueous solution does not gel at 25 ° C, (3) Or (k) -type, or a mixture of both, and (4) water-soluble carrageenan having at least one property of containing calcium ions at a ratio of 0.1% by weight or less. |