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Microsponge Based Gel of Tea Tree Oil for Dermatological Microbial Infections

Author(s):

Erosh Yadav, Rekha Rao*, Sunil Kumar, Sheefali Mahant and Prakriti Vohra   Pages 1 - 12 ( 12 )

Abstract:


Objectives: Tea tree oil (TTO), derived from Melaleuca alternifolia possesses broad spectrum antimicrobial potential. However, its therapeutic utility is impaired due to its high volatility, poor aqueous solubility and low stability in the presence of light, oxygen and temperature. The present study was attempted to investigate ethyl cellulose (EC) microsponges (MSs) as topical carriers for TTO to circumvent above mentioned limitations. Methods: TTO MSs were prepared using quasi emulsion solvent diffusion. The effect of formulation variables on the production yield, entrapment efficiency, particle size and drug release of MSs was investigated. The optimized MSs were dispersed into Carbopol 934 gel and evaluated for drug release, skin irritation and antibacterial activity, besides photostability. Keyfindings: Scanning electron microscopy revealed spherical and porous nature of TTO microsponges. The optimized MSs possessed particle size of 36.98 μm, percent entrapment efficiency of 93.12% and percent cumulative drug release of 79.18%, respectively. MS-loaded gels were found non-irritant. In addition, TTO loaded MS gels exhibited good stability. Antimicrobial effect of TTO MS gel showed broader zones of inhibition in comparison to TTO gel. Conclusion: The findings of our study suggest that MS loaded gel could prove alternative to conventional antibacterial formulations for dermatological microbial infections.

Keywords:

Tea tree oil, microsponge, antimicrobial, topical, controlled release, irritation.

Affiliation:

Guru Jambheshwar University of Science and Technology, Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Department of Pharmaceutical Sciences, Maharishi Dayanand University, Department of Pharmaceutical Sciences, Shaheed Hasan Khan Mewati Government Medical College, Department of Microbiology



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