| 摘要 |
PROBLEM TO BE SOLVED: To provide a hinokitiol-containing composition for oral cavity, which is excellent in stability of hinokitiol in a preparation, exerts high antibacterial activity and suppresses discoloration or phase separation during long-term storage and is thus excellent in shelf stability. SOLUTION: The composition for oral cavity comprises: (a) hinokitiol; (b) at least one edetate chosen from disodium edetate, trisodium edetate, dipotassium edetate dihydrate and tetrasodium edetate dihydrate; (c) ethanol; and (d) water, provided that the contents of component (b) and component (c) are 0.02-1 mass% and 0.2-10 mass%, respectively, and the mass ratio of (d)/(c) is 3-200. COPYRIGHT: (C)2010,JPO&INPIT |
