Title of article
Lichenic extracts and metabolites as UV filters
Author/Authors
Lohézic-Le Dévéhat، نويسنده , , Françoise and Legouin، نويسنده , , Béatrice and Couteau، نويسنده , , Céline and Boustie، نويسنده , , Joël and Coiffard، نويسنده , , Laurence، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
12
From page
17
To page
28
Abstract
Three lichen extracts and ten lichenic compounds have been screened for their photoprotective activities. The determination of their Sun Protection Factor (SPF) and Protection Factor-UVA (PF-UVA) values was done in vitro. Among them, a Lasallia pustulata extract and gyrophoric acid exhibited SPF values over 5, which is better than Homosalate (SPF ≈ 4). Their photoprotective properties are only slightly modified after a 2-hours period of irradiation. Salazinic acid and L. pustulata presented characteristics of a UVA booster like the butyl-methoxydibenzoylmethane (Avobenzone) (PF-UVA ≈ 2 vs. 2.8 for Avobenzone). Salazinic acid was a better anion superoxide scavenger than ascorbic acid and none of them exhibited a photosensitizing cytotoxicity by exposing them on HaCaT cells to UVA radiations (photo-irritancy factor PIF < 5).
Keywords
photoprotection , Sun protection factor , Lichen , Protection Factor-UVA , Gyrophoric acid , Lasallia pustulata
Journal title
Journal of Photochemistry and Photobiology B:Biology
Serial Year
2013
Journal title
Journal of Photochemistry and Photobiology B:Biology
Record number
1878241
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