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Bismuth subsalicylate
Bismuth subsalicylate, sold under the brand name Pepto-Bismol, is a medication used to treat temporary discomforts of the stomach and gastrointestinal tract, such as diarrhea, indigestion, heartburn and nausea. Commonly known as pink bismuth, it is also sometimes the active ingredient in Kaopectate.
It has the empirical chemical formula of C7H5BiO4,〔''Merck Index'', 11th Edition, 1299〕 is a colloidal substance obtained by hydrolysis of bismuth salicylate (Bi3). The actual structure is unknown and the formulation is only approximate. Recent evidence indicates that it is composed of a bismuth oxide core structure with salicylate ions attached to the surface. A model structure has recently been published having the composition Bi38O4426.
==Medical uses==
As a derivative of salicylic acid, bismuth salicylate displays anti-inflammatory and bactericidal action. It also acts as an antacid.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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