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- Title
Stability of O/W Emulsion with Synthetic Perfumes Oxidized by Singlet Oxygen.
- Authors
Naoki Watabe; Yoshikazu Tokuoka; Norimichi Kawashima
- Abstract
We prepared O/W emulsion composed of a synthetic perfume, n-dodecane, protoporphyrin IX disodium salt (PpIX-2Na), sodium dodecyl sulfate, and water and investigated oxidative decomposition of the synthetic perfume in the emulsion and change in the stability of the emulsion by singlet oxygen (¹O2) generated by photosensitization of PpIX-2Na. We used eugenol, linalool, benzyl acetate, α-ionone, α -hexylcinnamaldehyde, and d-limonene as a synthetic perfume. The stability of the O/W emulation including eugenol and linalool significantly decreased with increasing light irradiation time. The decrease in the emulsion stability may be attributable to oxidative decomposition of eugenol and linalool by ¹O2 and enlargement of the oil droplet size.
- Subjects
SYNTHETIC perfumes; REACTIVE oxygen species; STABILITY (Mechanics); PROTOPORPHYRINS; OIL-water interfaces; EMULSIONS; SODIUM dichromate
- Publication
Journal of Chemistry, 2013, p1
- ISSN
2090-9063
- Publication type
Article
- DOI
10.1155/2013/971805