The herbal extraction was separated and added into the oil phase and water phase independently,and the emulsion was prepared using soybean phospholipids and poloxamer as the emulsifying agent.

• 方法将冰片直接溶入油相,对提取液进行油水分离,分别加入油相和水相,以磷脂和泊洛沙姆为乳化剂制成乳剂。