STUDIES ON THE FORMULATION, PHYSICAL STABILITY, AND IN VITRO ANTIBACTERIAL ACTIVITY OF TEA TREE OIL (MELALEUCA ALTERNIFOLIA) NANOEMULSION GEL


Aprilla Wulansari, Mahdi Jufri, Angky Budianti

Abstract


Objective: This study aimed to formulate tea tree oil into a nanoemulsion gel dosage form and evaluate its physical stability and antibacterial activity.
Methods: Nanoemulsion gels were formulated with various concentrations of tea tree oil, namely, 5%, 7%, and 9%, using Tween-80 as a surfactant
and propylene glycol as a cosurfactant. The tea tree oil nanoemulsion gels showed a stable physical appearance over 8 weeks of storage at low
temperature (4±2°C) and room temperature (25±2°C), cycling test, and centrifugation test.
Results: The best formula was nanoemulsion gel formulation 1 (F1), which contained 5% tea tree oil, due to its good stability, smaller globule size,
and greater viscosity. The results for antibacterial activity, determined by in vitro study, showed that the tea tree oil nanoemulsion gels exhibited
antibacterial activity against Propionibacterium acnes through the formation of an inhibition zone.
Conclusion: Higher concentrations of tea tree oil in nanoemulsion gels (5%, 7%, and 9%) showed greater mean inhibition zones (28.33±0.88 mm,
30.33±0.33 mm, and 31.67±0.33 mm, respectively).


Keywords


Antibacterial activity, Melaleuca alternifolia, Nanoemulsion gel, Propionibacterium acnes, Physical stability, Tea tree oil.

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About this article

Title

STUDIES ON THE FORMULATION, PHYSICAL STABILITY, AND IN VITRO ANTIBACTERIAL ACTIVITY OF TEA TREE OIL (MELALEUCA ALTERNIFOLIA) NANOEMULSION GEL

Keywords

Antibacterial activity, Melaleuca alternifolia, Nanoemulsion gel, Propionibacterium acnes, Physical stability, Tea tree oil.

DOI

10.22159/ijap.2017.v9s1.73_80

Date

30-10-2017

Additional Links

Manuscript Submission

Journal

International Journal of Applied Pharmaceutics
Vol. 9, Special Issue (Oct.), 2017 [PTMDS 2017] Page: 135-139

Online ISSN

0975-7058

Statistics

15 Views | 24 Downloads

Authors & Affiliations

Aprilla Wulansari
Department of Pharmacy, Faculty of Pharmacy, Universitas Indonesia, Depok, Indonesia.
Indonesia

Mahdi Jufri
Department of Pharmacy, Faculty of Pharmacy, Universitas Indonesia, Depok, Indonesia.
Indonesia

Angky Budianti
Department of Microbiology, Medical Faculty, University Indonesia, Jakarta, Indonesia
Indonesia


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