DEVELOPMENT, EVALUATION OF UVA AND UVB PHOTOPROTECTOR EFFECT, ANTIOXIDANT ACTION AND STABILITY OF A CREAM WITH UMBÚ-CAJÁ EXTRACTS
Abstract
The objective of this work was to evaluate the UVA and UVB photoprotective effect and the antioxidant activity of dermatological cream developed with umbu-cajá (Spondias sp) extracts. The antioxidant activity of the cream was evaluated by the 1,1-diphenyl-2-picrylhydrazine (DPPH) radical inhibition method in triplicate, the dilutions were evaluated by spectrophotometer, with the absorbance values determined at 517 nm. The evaluation of UVB and UVB photoprotective capacity was performed according to Mansur method and determining the UVA / UVB ratio and the critical wavelength. The developed cream showed antioxidant activity with inhibition close to 80% at 10 mg.mL-1 dilution. The spectrophotometer scan showed that the inputs and the cream can absorb ultraviolet light from 290 to 400 nm. The cream with umbu-cajá extract studied had antioxidant and photoprotective properties UVA / UVB and can be used as anti-aging cosmetic
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