期刊
QUIMICA NOVA
卷 34, 期 6, 页码 968-972出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422011000600010
关键词
nanoemulsions; nanocapsules; tea tree essential oil
资金
- CNPq-Brasilia/Brazil
- Rede Nanocosmeticos/CNPq
The goal of this study was to evaluate the feasibility of preparing nanocapsules and nanoemulsions using tea tree oil as oily phase aiming to protect its volatilization. The nanostructures presented nanometric mean size (160-220 nm) with a polydispersity index below 0.25 and negative zeta potential. The pH values were 6.43 +/- 0.37 and 5.98 +/- 0.00 for nanoemulsions and nanocapsules, respectively. The oil content after preparation was 96%. The inclusion of tea tree oil in nanocapsules showed higher protection against volatilization. The analysis of mean size and polydispersity index of formulations presented no significant alteration during the storage time.
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