Studies on the determination of the photo protective capacity of the mixture of camelina oil and grape seed oil

Abstract

Camelina sativa is an annual plant, belonging to the family Brassicaceae, native to S-E Europe and South-West Asia, from whose seeds an oil of superior quality in composition is obtained. It has a saponifiable fraction represented by fatty acids, of which polyunsaturated ones are found in a proportion greater than 55%, and a non-saponifiable fraction represented by sterols and tocopherols. Camelina oil currently has multiple uses, from uses in the field of biofuels, it can be purified through specific technological processes and used to obtain products with different destinations: food supplements, ingredients for animal feed, cosmetics, and pharmaceuticals. Previous studies have shown that camelina oil also has an appreciable photoprotective capacity, which led to the desire to continue studies in this direction. This paper aims to analyze the photoprotective capacity of the mixture of camelina oil and grape seed oil, in different proportions, to obtain formulations of cosmetic products. Two samples were prepared – sample A (camelina oil 25g, grape oil 75g) and sample B (camelina oil 75g, grape oil 25g). Spectrophotometric analysis of 10 hexane solutions, with a concentration of 1%-10%, from each sample, at wavelengths between 290 and 320 nm. The sun protection factor determined by the equation Mansur et al (1986) has values between 3,097 and 21,156 for sample A, respectively between 3,153 and 24,089 for sample B, which indicates the possibility of using the mixture of camelina oil and grape oil in dermatologic formulations for solar protection.