| abstract |
(PROBLEMS TO BE SOLVED BY THE INVENTION) A coating composition which improves the content dissolution (insolubility under gastric environment) under acidic conditions and enables excellent enteral availability, a preparation using the coating composition, and a preparation method thereof. (B) a calcium salt and a magnesium salt, (C) a film-forming component, and at least one selected from the group consisting of calcium and magnesium / (A) at least one selected from the group consisting of (A) pectin having an esterification degree of 3 to 40% Wherein a mass ratio of the component (A) to the component (C) expressed by a mass ratio of 0.002 to 0.1 and (C) / (A) is 0.2 to 3. |