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Updated: Jul 8, 2026

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs
Published on: July 27, 2022
[Studies on effect of microemulsion in enhancing solubility of baicalin and puerarin]
Hua Yang1, Hong Yi, Man-Ling Li
1Institute of Chinese Materia Medica, China Academy of Traditional Medical Sciences, Beijing 100700, China. yanghua2796@sina.com
Objective:
To study the effect of O/W Microemulsion in enhancing solubility of baicalin and puerarin.
Method:
The Pseudo-ternary phase diagram was employed to selected the formulations of O/W microemulsion. The partical size of microemulsion, and solubility of baicalin and puerarin in water, oil phase, surfactant, microemulsion and alcohol were determined, respectively.
Result:
11 types of microemulsion formulations have the effect in enhancing the solubility of baicalin and puerarin; the solubility of Baicalin in microemulsion is higher as 5-15 times than it in water, the solubility of Puerarin in microemulsion is higher as 3 - 4 times than it in water.
Conclusion:
Microemulsion is good in enhancing solubility of effective compounds extracted from Chinese medical herbs.
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