Cosmetic antioxidant potential of extracts from species of the Cinchona pubescens (Vahl)

Abstract:

The present study was aimed at assessing the dry extracts from Cinchona Pubescens Vahl species, as a potential antioxidant raw material for the cosmetics industry. The phenolic compound and flavonoids concentration in the extract were 30 (mg GAE= mg Gallic acid equivalent)/g mg Hyp= mg hyper oxide 2 mg/g. The following flavonoids were identified in the extract: apigenin, quercetin, catechin and kaempherol. The antioxidant activity was determined by spectrophotometric methods ABTS and 1-diphenyl-2-picrylhydrazyl (DPPH), expressed as IC50 (50% inhibition of radical oxidation) were 42.00±0.2 µg/ml (DPPH) and 88.00±0.2 IC50 µg/ml ABTS. In cosmetic formulations (gels and creams) evaluated through photochemiluminescence, a significantly increased antioxidant potential was observed when compared to the reference formula. The potential was up to 15 times when compared to a dry extract of Camellia sinensis.

Año de publicación:

2015

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