Xanthium Fruit

Review Forms and Sizes Below


  • Sweet
  • Slightly Bitter
  • Warm
  • Toxic
  • Lung

Pin Yin Name

  • Cang Er Zi

Other Names

  • Xanthium
  • Siberian Cocklebur
  • Cocklebur

About Xanthium Fruit

Xanthium fruit (Cang Er Zi) has been used for centuries in traditional Chinese medicine and has a wide range of beneficial properties. It has therapeutic benefits for several medical conditions. It is often used to dispel wind and cold, and clear phlegm. 

Xanthium fruit (also known as cocklebur) contains xanthostrumarin, alkaloid, jsoxanthanol, vitamin C, resin, fatty oil, xanthanol, and xanthumin. Cocklebur has an active consitutent - carboxyatractyloside.   (But & Hson-Mou, 2001).  


  • Do not use if pregnant or breastfeeding.


Good Manufacturing Practices (GMPs) are guidelines that govern the manufacturing process of a product to ensure that the quality and safety of the product is consistent. To ensure compliance and traceability, each step of the manufacturing process must be documented and adhere to its defined guidelines. By documenting the manufacturing process, validating the equipment used, and following preset guidelines, we ensure the quality of each lot of our products.

Each batch of herbs is dual-lab tested by in-house lab and independent third party lab. In-house lab is equipped with instruments such as a high performance liquid chromatograph, moisture determination meter, Fourier transform infrared spectrometer, atomic absorption spectrophotometer, gas chromatograph, etc.

In addition, the following additional tests are performed:

  • Microbacteria
  • Pesticides - over 200 pesticides tested for (Uab 2000 screen)
  • Heavy Metals - Lead, Mercury and Arsenic

Packaging and Storage

Processing and storage standards make the difference in preserving the quality of our herbs. Our herbs have a shelf life of 24-36 months. Our natural herbs retain their freshness and quality without added preservatives. Special measures are taken to store the herbal materials to maintain their optimum required conditions for humidity, temperature, and protection from light. 

How to Use

Capsules Decoctions Pets


  • "About Cocklebur (Cang Er Zi)." Cocklebur (Cang Er Zi). Chinese Herbs Healing. Web. 14 Oct. 2015. <http://www.chineseherbshealing.com/cocklebur-cang-er-zi/>.
  • Jing X, Sui J. Elementary introduction about toxicity of Chinese herb cang er zi and rescue measures for poisoning. Heilongjiang Journal of TCM 2000;63(4).
  • But, Paul Pui-Hay, and Hson-Mou Chang. Pharmacology and Applications of Chinese Materia Medica. New Jersey: World Scientific, 2001. Print.