紫雲膏藥方以紫草根、當歸根、麻油、黃蠟及豬油所製成的油膏，在使用上有油膩感，且紫草根之色素易沾染衣物。為克服其油膏使用上的缺點，本研究取紫草根及當歸根以麻油及橄欖油混合油做萃取，以各種介面活性劑製成水包油劑型，如冷霜、乳液等坊間常見的藥妝品水包油劑型，再以質地分析儀分析其物理特性。在各種硬度與黏度的，經塗抹感覺中硬度125 g*sec、黏度-45g*sec是感覺較為舒服。 ZiyunGao (紫雲膏)is a well-known traditional skin ointment, the original formula is called Yuhong gao (生肌玉紅膏). It is from the book <<外科正宗>> in the 17th Century. The book says Yuhong gao is a panacea medicine of Surgical astringent. It was improved by Hanaoka, Japanese, to ZiyunGao. Arnebia euchroma (or Lithospermum erythrorhizon) radix can accelerating granulation tissue growth, promote wound healing and it has antimicrobial and anti-inflammatory activities. Angelica sinensis radix has replenishing blood and enhance blood circulation functions could accelerate wound healing.
The formula of ZiyunGao is ointment made by A. euchroma (or L. erythrorhizon) radix, A. sinensis radix, sesame oil、yellow wax and lard. It is greasy in use by it composed by oil base ingredients and easy contaminates clothing by it pigment from A. euchroma (or L. erythrorhizon) radix. In the study, in order to concur its weakness that takes A. euchroma radixes and A. sinensis radixes extracted by sesame oil and olive oil mixture. It based on nowadays cosmeceuticals dosage forms like cold cream or lotion and made by different kind surfactants ratios. In the way to test its physical properties by using texture profile analysis. In the way of testing its hardness and stickiness conclude the area of hardness at 125 g*sec and the area of stickiness at 45g*sec is the most comfortable of skin tests.