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Preparation and in vitro evaluations of topically applied capsaicin transfersomes / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 981-984, 2006.
Article in Chinese | WPRIM | ID: wpr-351806
ABSTRACT
<p><b>OBJECTIVE</b>Capsaicin transfersomes were prepared and its quality specifications were evaluated.</p><p><b>METHOD</b>Capsaicin transfersomes were prepared by high shear dispersing machine and evaluated on the entrapment efficiency, drugs release rate and in vitro skin permeation.</p><p><b>RESULT</b>Capsaicin transfersomes is composed of single unilamellar vesicles, with average size of 150.6 nm. Capsaicin entrapment efficiency achieved 96.7% while concentration of lecithin used was 8%. cumulative release amount of capsaicin was in direct proportion to the ethanol concentration in the medium. The in vitro rate cumulative penetration rate of capsaicin was higher in transfersomes than in cream and suspension in rats. Adomen skin cumulative penetration rate in vitro of capsaicin transfersomes in mouse was significantly higher than that from rat and men. In the same way,cumulative penetration rate in vitro of capsaicin transfersomes through abdomen skin epidermal membrance was significantly higher than that with derma and full skin in men.</p><p><b>CONCLUSION</b>Entrapment efficiency of capsaicin transfersomes reached 96.7%, meeting the criterion of China pharmacopia( > 80%), skin penetration of capsaicin was enhanced by a capsaicin transfersomes preparation and was affected by diverse characters and levels of skin.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Particle Size / Pharmacology / Phosphatidylcholines / Skin / Skin Absorption / In Vitro Techniques / Administration, Cutaneous / Drug Carriers / Pharmacokinetics / Capsaicin Limits: Animals / Humans / Male Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2006 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Particle Size / Pharmacology / Phosphatidylcholines / Skin / Skin Absorption / In Vitro Techniques / Administration, Cutaneous / Drug Carriers / Pharmacokinetics / Capsaicin Limits: Animals / Humans / Male Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2006 Type: Article