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Natural Product Research Part A
Year: 2008  |  Volume: 22  |  Issue: 3  |  Page No.: 264 - 268

Photoprotective activity of propolis

Celine Couteau, Marion Pommier, Eva Paparis and Laurence J. M. Coiffard    

Abstract: The purpose of this study was to determine the photoprotective properties of propolis. The sun protection factor (SPF) of ethanol extract of propolis was evaluated by an in vitro method, using homosalate as control. This determination is based on the physical determination of the reduction of the energy in the UV range, through a film of product which has previously been spread on an adequate substrate. About 15 mg of O/W emulsion containing propolis at various concentrations were applied on roughened Polymethylmethacrylate (PMMA) plates and the transmission measurements were carried out using a spectrophotometer equipped with integrating sphere. The results may justify their use as a natural sunscreen agent.

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