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  • Hu Zhang Lab Test. / Japanese Bushy Knotweed root.
  • back label
  • 1st Chinese Herbs - Trusted Medicinal Herb Supplier	
Natural herbal remedies for Lyme disease at
  • Use to make a decoction.
  • Make an easy to take tincture or extract.
  • Make an herbal tea.

Japanese Bushy Knotweed Root (Hu Zhang) Cut/Sliced - Nuherbs

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Product Description

Herbal Information on Bushy Knotweed Rhizome

Other Names:

Botanical Name:  Polygonum Cuspidatum Rhizome 

Pin Yin Name:  Hu Zhang

Other Ingredients:

Package Size:  1 pound (454 grams)

Form:  Cut Slices 

Bushy Knotweed Rhizome Slices

Some people may refer to this herb as Japanese Bushy Knotweed Root and Rhizome.

Brand:  Nuherbs Lab Tested

Caution:  Do not use if pregnant or nursing.  Not to use used with blood thinners


Additional Information

The cut pieces of root are perfect for making decotions and tinctures, or may be ground into powder. 



  • Bitter
  • Cold


  • Liver
  • Gallbladder
  • Lung


  • Benefits the Respiratory System
  • Assists the Body's Normal Regulation of Fluids
  • Stimulates the Blood
  • Antiviral
  • Anti-inflammatory
  • Antimicrobial
  • Neuro-protective
  • Cardio-protective
  • Supports Normal Liver Health

Chemical Components
Though resveratrol is the best-known of the hu zhang components, it is important to know the others:

  • Emodin
  • Physcion
  • Chrysophanol
  • Anthraglycoside A
  • Anthraglycoside B
  • Emodin-8-O-β-D-glucoside
  • Fallacinol
  • Citreorosein
  • Questin
  • Questinol



Check out our How to Use Bulk Herbs page to see how to use herbs correctly. 

Parts of Plants







Hard/Dried Berries


Powder first. 


Soft Fruit









Decoct first. 

Powder first. 




Decoct first.





Decoct first.

 Powder first.






 Make tea first.

 Powder first.




Natural herbal remedies for Lyme disease at



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


Traditional Chinese Herbs

Chinese Traditional herbs should be regarded as an added feature to modern western healthcare, and not as a replacement. Chinese traditional herbs (Teas) emphasize harmony, and balance




University of Missouri-Columbia. Grapes May Minimize Brain Damage In Stroke Victims. Science Daily (2003, November 27). <>.

Please note: 
Definitions of the following forms which our products are sold in. Plus, we offer Certificate of Analysis by request for our products.

Powdered Concentrates  100 gram container size.(3.5 oz)
This has been processed, and usually has dextrin added. This is a powder which is commonly used to make tea or capsules.
Powdered Herb This is the herb, root, berry, twig, or any form of the herb, which has been Powdered into a fine mesh which usually can be put into capsules.  Most of the Powders herbs are in a 1 pound size, unless otherwise noted.
Cut and Sift This the herb, root, berry, twig, or any form of herb cut into manageable pieces. In general about 1/4 thick.  Size of herbs are 1 pound containers
Whole In very rare occasion herbs are whole, for example the Reishi Mushroom, Noto Ginseng, Mandrake, and Marigolds. Size of herbs are 1 pound containers.  If concerned please call.
Teapills These are small pills which have already been formulated and made into small pills.  Usually the size of small peas. The teapills are swallowed whole. The formula is usually based on Ancient Chinese Medicine.
Capsules Are Gelatin Capsules, unless noted as vegetarian capsules.  Please see each individual product for further information
Tablets Are a hard tablet ranging in various sizes. Please see each individual product for further information
Extracts An extract is produced by adding alcohol to an herb and letting the medium activate the components of the herbs, as well as to preserve the herbs
Loose Leaf The herb is not in a teabag.  It is loose in the packaging.  Sizes of the leaf vary from 1/4 inch to 1 inch depending on herb and brand.


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