Dermatological or cosmetic compositions containing polyphenol-enriched extract of vitex negundo

A dermatological, extractive technique for use in the field of cosmetic or dermatological compositions capable of solving suboptimal cosmetic or dermatological applications

Inactive Publication Date: 2018-10-12
LAB EXPANSCIENCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Furthermore, "traditional" Vitex extracts have a phytochemical composition, i.e. a concentration of active ingredients, especially polyphenols, which is not optimal for cosmetic or dermatological applications

Method used

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  • Dermatological or cosmetic compositions containing polyphenol-enriched extract of vitex negundo
  • Dermatological or cosmetic compositions containing polyphenol-enriched extract of vitex negundo
  • Dermatological or cosmetic compositions containing polyphenol-enriched extract of vitex negundo

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0097] I. prepare the polyphenol-rich Vitex radix extract of the present invention

[0098] The Vitex radix polyphenols extract rich in polyphenols, especially DCQ, obtained according to the following method:

[0099] a) According to the method of the PAT patent, using a defined nutrient solution (with a composition of N / P / K of 15 / 10 / 30, and an electrical conductivity of 0.2 to 1.6mS), carry out aerosol culture of Vitex chrysalis;

[0100] b) stimulating the plants with an inducer as described above for a period of one week;

[0101] c) Extract the molecule of interest by macerating plant roots in a 70 / 30 propylene glycol / water mixture at room temperature and a pH of 1.6 for two 48-hour periods; at the end of the extraction, the propylene glycol concentration is readjusted to 60%;

[0102] d) The solution obtained is subjected to successive pH adjustment steps to reach a final pH of 3.5;

[0103] e) Purify the extract (salt removal by nanofiltration) and concentrate by su...

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Abstract

The invention relates to a cosmetic or dermatological composition containing a polyphenol-enriched extract of Vitex Negundo, typically a root extract obtained using a PAT plant milking process. The invention further relates to a composition of this kind for use in the prevention or treatment of disorders and diseases affecting the skin, mucous membranes or skin appendages, for use in the prevention or treatment of vascular disorders and for use in the prevention or treatment of extrinsic or intrinsic skin aging. Lastly, the invention relates to a cosmetic care method for the skin, skin appendages or mucous membranes, with a view to improving the condition or appearance thereof, said method consisting in administering such a composition or such an extract.

Description

technical field [0001] The present invention relates to a cosmetic or dermatological composition containing a polyphenol-rich Vitex radix extract. Advantageously, the compositions of the invention are useful in the prophylaxis or treatment of conditions or diseases affecting the skin, mucous membranes or skin appendages, as well as in the prophylaxis or treatment of vascular disorders. Background technique [0002] Vitex negundo is commonly called the Chinese chaste tree Known in France as Muguetbleu (Muguetbleu) and in Réunion as Muguetbleu Known as Chinduravam Notchi in Tamil, or Huang Ping in China for example. Vitex is a shrub native to India belonging to the Verbenaceae or Lamiacées family, reaching a height of 1 to 2 meters and having small blue to purple flowers of 3 to 5 mm in size. The leaves, the most commonly used part in traditional medicine, consist of three or five lanceolate leaflets. The plant is widely distributed throughout the world and is found in A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9789A61K8/34A61Q5/00A61Q17/00A61Q19/02A61Q19/08A61K36/53A61K36/85A61K31/216A61K45/06A61K9/00A61P9/00A61P17/00A61P17/10A61P17/18
CPCA61K36/85A61K8/347A61Q5/00A61Q17/00A61Q19/02A61Q19/08A61K45/06A61K31/216A61K9/0014A61K47/10A61K47/14A61K9/06A61K9/00A61K36/53A61K8/9789A61P17/00A61P17/04A61P17/10A61P17/18A61P43/00A61P9/00A61K2300/00A61K8/368A61K8/375A61Q19/00
Inventor S·勒克莱尔-比安费P·姆西卡
Owner LAB EXPANSCIENCE
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