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Wholesale Ash Tree Extract | Extract Source: Fraxinus Chinensis | Bulk Buy Powder Specification 10:1 or Customized | Brown Fine Powder | Sample & MOQ 1KG | Inquiry today. Order today!


The ash tree (Fraxinus chinensis) is a plant of the genus Oleaceae, and its dry bark is called Qin Bark. Qin bark is also taken from F. rhynchophylla, F. szaboana and F. stylosa. Cosmetics mainly use extracts from their bark.

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Active ingredients

Ash bark contains a number of coumarin compounds, such as cephalosporin A, cephalosporin B, saponin, and saponin; the others include lilosin, pinoresinol-4,4'-di-O-β-D- Glucoside, sinusaldehyde, betulinic acid, and mannitol, etc.

Qinpi A is the main active component of ash tree bark, and the content of Qin pi A in normal ash tree bark shall not be less than 1.36%. European ash trees and flower ash trees also contain coumarin compounds such as quercetin.

Extraction processing method

Ash bark can be extracted with water, ethanol, etc. as solvents, and then concentrated to dryness. The yield of 50% ethanol extraction is about 0.25%, and the yield of 95% ethanol extraction is about 0.5%.


A 50% alcohol extract of Ash tree was applied to the skin, and then the water content of the stratum corneum was measured by the conductivity method. The conductivity of the extract with a concentration of 0.01% was 133μS after 100 minutes of application, while the conductivity of the blank sample was 35μS.

The alcohol extract of European ash bark has an inhibitory effect on carrageenan-induced toe swelling in rats, and the swelling can be basically inhibited at a dose of 15mg/kg.

  • Elimination of DPPH free radicals;
  • Inhibition of fat peroxidation;
  • Inhibition of tyrosinase activity;
  • Inhibition of prostaglandin E2 production;

Application in cosmetics&skin care products

Ash tree extract has a good effect on eliminating DPPH and other free radicals, and its antioxidant capacity on oils is equivalent to 2,6-di-tert-butyl-4-methylphenol (BHT) and better than vitamin E, so it can be used Used as an antioxidant in cosmetics;

Ash tree extract can still be used as a skin whitening agent, anti-inflammatory agent, antibacterial agent, and moisturizer.

Additional information

Product Name

Ash Tree Extract


Fraxinus Chinensis



Extraction Type



Brown Fine Powder

Grade Standard



10:1 or Customized

Sample & MOQ



Cosmetic/Skincare Raw Materials


Available For Your Reference

Shipping Details

Customized, FOB, CIF, D2D

Additional Service

Supply In Bulk, ODM/OEM, Wholesale


A cool (2~8 ) & dry place protected from light, keep package close.

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Our factory

Green Stone Swiss Co ., Limited has always focused on the supply of beauty, nutritional, and healthy ingredients (Ash Tree Extract supply). We mainly devote to the sale popularizing and research and services of natural products and promoting the development of the natural herbal industry.

Xiamen, Shanghai; China

Business Type
Ash Tree Extract Manufacturer, Marketing
Industry Experience

Over 20 Years of Supply Experience

Main Markets
  • North America 51.00%
  • Western Europe: 10.00%
  • Northern Europe: 10.00%
Business Advantage

Support Formula Customization/ODM/OEM



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