The present invention is water-insoluble ursodeoxycholic acid (UDCA) covered with an amorphous surfactant and a method for preparing the same. More specifically, the present invention is water-insoluble ursodeoxycholic acid covered with an amorphous surfactant with excellent emulsification stability prepared without containing a solubilizer in regular ursodeoxycholic acid, which is a poorly water soluble material, and a method for preparing the same.COPYRIGHT KIPO 2014[Reference numerals] (AA) Unit blade forming a mixed blade structure (BB) Each blade of the unit blades forming the mixed blade structure본 발명은 무복계면 우루소데옥시콜린산(UDCA, Ursodeoxycholic acid) 및 그 제조방법에 관한 것이다. 보다 상세하게는 난용성 물질인 우루소데옥시콜린산를 가용화제를 포함하지 않으면서 유화 안정성이 매우 뛰어난 상태의 무복계면 우루소데옥시콜린산 및 그 제조방법에 관한 것이다.
