Hydroalcoholic extract of camellia japonica and cosmetic compositions comprising it
AssigneeChanel Parfums Beaute
InventorsVincent Cocandeau, Anne Rossignol-Castera, Noémie Lemoine
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Abstract
A Camellia extract obtained by extracting by ultrasound a powder of Camellia japonica flowers, the powder being impregnated with a fatty substance or a mixture of fatty substances, with a hydroalcoholic solvent, and a cosmetic composition including such an extract having in particular a soothing effect for the skin. Also, a non-therapeutic use thereof for soothing the skin.
Claims16
A hydroalcoholic extract of Camellia japonica flowers, mainly comprising a mixture of sugars, camellioside A, and camellioside B.
A process for preparing a hydroalcoholic extract of Camellia japonica flowers, comprising the following steps:
- i. impregnation of a powder of Camellia flowers with a fatty substance or a mixture of fatty substances at a temperature above the melting temperature of said fatty substance and under an atmosphere free or essentially free of oxygen, then separation to obtain an oily extract of Camellia flowers and a residual powder of the flowers thus extracted,
- ii. impregnation of the residual powder of flowers that is obtained in step i., by means of an extraction solvent based on a mixture of alcohol and water under an atmosphere free or essentially free of oxygen,
- iii. extraction of said residual powder of flowers by ultrasound and under an atmosphere free or essentially free of oxygen,
- iv. maceration of said powder in the extraction solvent and under an atmosphere free or essentially free of oxygen,
- v. clarification of the hydroalcoholic extract of Camellia flowers.
Dependencies are inferred from the claim text.