期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 155, 期 -, 页码 522-529出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2017.04.026
关键词
Biosurfactant; Essential oils; Antioxidants; Emulsions; Skin; Cells
资金
- Portuguese Foundation for Science and Technology (FCT) [UID/BIO/04469/2013 unit]
- COMPETE 2020 [POCI-01-0145-FEDER-006684]
- X. Vecino post-doctoral grant [SFRH/BPD/101476/2014]
- Spanish Ministry of Economy and Competitiveness (FEDER funds) [CTM2015-68904]
- [RECI/BBB-EBI/0179/2012]
- [FCOMP-01-0124-FEDER-027462]
Cosmetic and personal care products including toothpaste, shampoo, creams, makeup, among others, are usually formulated with petroleum-based surfactants, although in the last years the consume trend for green products is inducing the replacement of surface-active agents in these formulations by natural surfactants, so-called biosurfactants. In addition to their surfactant capacity, many biosurfactants can act as good emulsifiers, which is an extra advantage in the preparation of green cosmetic products. In this work, a biosurfactant obtained from Lactobacillus paracasei was used as a stabilizing agent in oil-in-water emulsions containing essential oils and natural antioxidant extract. In the presence of biosurfactant, maximum percentages of emulsion volumes (EV = 100%) were observed, with droplets sizes about 199 nm. These results were comparable with the ones obtained using sodium dodecyl sulfate (SDS), a synthetic well known surfactant with high emulsify capacity. Moreover, the biosurfactant and emulsions cytotoxicity was evaluated using a mouse fibroblast cell line. Solutions containing 5 g/L of biosurfactant presented cell proliferation values of 97%, whereas 0.5 of SDS showed a strong inhibitory effect. Overall, the results herein gathered are very promising towards the development of new green cosmetic formulations. (C) 2017 Elsevier B.V. All rights reserved.
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