The present invention provides a W/O/W multiple emulsion composition composed of an internal aqueous phase, an oil phase, and an external aqueous phase, the internal aqueous phase containing an ionic physiologically active substance and a physiologically acceptable compound having a molecular weight of 1,000 or less and generating a polyvalent counterion with two or more valencies for the ionic physiologically active substance. The W/O/W emulsion composition of the present invention not only can stably encapsulate a useful substance in its internal aqueous phase at a high encapsulation ratio, but also has high safety.
本发明提供了一种 W/O/W 多元乳液组合物,该组合物由内部
水相、油相和外部
水相组成,内部
水相含有离子型生理活性物质和分子量在 1,000 或以下的生理上可接受的化合物,并为离子型生理活性物质生成两种或两种以上价位的多价反离子。本发明的 W/O/W 乳液组合物不仅能以高封装率将有用物质稳定地封装在其内部
水相中,而且安全性高。