Method for the production of flavonoid-containing...

C - Chemistry – Metallurgy – 12 – P

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C12P 17/06 (2006.01) A61K 8/97 (2006.01) A61K 36/185 (2006.01) A61P 17/00 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2517371

The present invention relates to a method for the production of plant extracts having a standardized flavonoid content, in particular having a standardized luteolin content. Plant material of Reseda plants which has been pre-extracted with water is extracted with a solvent and then concentrated. The compositions thus obtained are suitable as pharmaceutical or cosmetic products and as colorants. The invention furthermore relates to the use of Reseda extracts for treating skin diseases.

La présente invention concerne un procédé pour produire des extraits végétaux présentant une teneur standard en flavonoïdes, notamment une teneur standard en lutéoline. Ce procédé consiste à extraire à l'aide d'un solvant une matière végétale pré-extraite avec de l'eau de plantes de réséda, puis à la concentrer. Les compositions ainsi obtenues sont utilisées comme produits pharmaceutiques ou cosmétiques et comme colorants. La présente invention concerne également l'utilisation d'extraits de réséda pour traiter des maladies de la peau.

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