Abstract

LOPEZ AGUERO, L et al. Utilization of avena sativa l. extract in dermatitis. Rev. argent. dermatol. [online]. 2006, vol.87, n.2, pp.100-105. ISSN 1851-300X.

Polyphenols (flavonoids and anthocyanins) are widely spread among the different vegetables species. They have a big antioxidant capacity. One important correlation exists between the antioxidant activity and the quantity of total polyphenols. The objective of this work was to evaluate: 1- the contents of polyphenols and anthocyanins of whole seeds, glumes and aqueous extract of Avena Sativa L., 2- the effects of topical application of aqueous extract of Avena sativa L. in 45 patients (10 females and 35 males, between 1 and 56 years olds) with Atopic Dermatitis, Contact Irritative Dermatitis and Contact Allergic Dermatitis, and 30 normal controls (15 females and 15 males, between 1 and 60 years olds). Treatment: were applications of compress of aqueous extract Avena Sativa L over the damaged skin for approximately five minutes, immediately after, one must cover with the biomass of oat (T° = 33 + 2 C°) and a clothe for five minutes. The biomass was removed using the Avena Sativa L. acqueous extract. Remissions of the cutaneous symptoms were noticed between 1 and 36 months after the beginning of the treatment. Aqueous extract, Avena Sativa L. biomass, glumes and whole seeds contents were: 6.12+0.45; 46.11+0.36, 212.81+0.19 y 286.60+0.50 mg/100 g gallic ac., respectively, of total polyphenols.

Keywords : Oats extract; Atopic dermatitis; Polyphenols.

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