Eleuthero
Eleuthero is the root and rhizome of Eleutherococcus senticosus, a thorny shrub of northeastern China, the Russian Far East and Korea; despite the old name Siberian ginseng, it is not a Panax species. The dried root is sold cut or powdered, or extracted with water or ethanol and standardized to eleutherosides B and E by HPLC.
Suppliers sell different products under the same name. Specify the one you need.
Dried root and rhizome for tea and tincture.
Milled root, not standardized.
Water or ethanol extract standardized to eleutherosides B and E (often 0.8% or more combined) by HPLC.
Tincture or fluid extract sold by root-to-solvent ratio.
Compare each result with your own specification when the lot arrives.
Keep dried herb and powdered extracts sealed in lined drums or bags, away from heat, light and humidity. Dry extracts are hygroscopic and cake once exposed to air, so reseal opened containers promptly. Suppliers assign a shelf life or retest date, and the marker assay is usually repeated at retest before material is used past it.
Eleutheroside content varies with root age, origin and wild versus cultivated supply, so check every lot against the spec. Record the supplier lot, origin, plant part and retest date.
Facts from regulators and standards bodies, each linked to its source.
Health Canada's Eleuthero natural health product monograph lists Eleutherococcus senticosus with dried root, or root and rhizome, as the source part.
Source: webprod.hc-sc.gc.ca (opens in a new tab)The EU Novel Food status Catalogue entry for Acanthopanax senticosus (POL-NF-00074) concerns only the roots and lists them as not novel in food supplements.
Source: ec.europa.eu (opens in a new tab)This is general information, not regulatory advice. Status differs by country and by how the ingredient is used, so check the rules for your product and market.
Manufacturers and distributors whose own websites say they sell it.
Manufacturer · San Jose, CA
Draco Natural Products is a San Jose, California, maker of powdered botanical and mushroom extracts, including certified organic and traditional Chinese herb extracts, with an office in Shanghai.
Suppliers are in alphabetical order and none pays to appear. Each claim is checked against the supplier’s own website on the date shown. Ask for the specification sheet and a recent COA before you order, and confirm details with the supplier.
Common forms include cut root, root powder, standardized extract and liquid extract. Ask each supplier for the specification sheet of the exact grade they quote.
Expect identity (HPTLC), eleutheroside assay (HPLC), residual solvents, heavy metals, microbiology and pesticide residues, each with its method, specification and result for that lot.
Keep dried herb and powdered extracts sealed in lined drums or bags, away from heat, light and humidity. Dry extracts are hygroscopic and cake once exposed to air, so reseal opened containers promptly. Suppliers assign a shelf life or retest date, and the marker assay is usually repeated at retest before material is used past it.
Health Canada's Eleuthero natural health product monograph lists Eleutherococcus senticosus with dried root, or root and rhizome, as the source part. The EU Novel Food status Catalogue entry for Acanthopanax senticosus (POL-NF-00074) concerns only the roots and lists them as not novel in food supplements.
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