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Standardized ExtractEuropean herbal tradition

Willowherb Extract (Epilobium parviflorum) – Oenothein B 5–20%

Epilobium parviflorum / E. angustifolium · Onagraceae

Marker compound
Oenothein B
Standardisation
5–20% (HPLC)
Assay method
HPLC
Plant part
Aerial Parts
Origin
Canada

Willowherb Extract (Epilobium parviflorum) – Oenothein B 5–20%

Willowherb extract is produced from the aerial parts of Epilobium parviflorum (Onagraceae family) and supplied as a standardized extract powder, standardized to Oenothein B. Available grades: 5%, 10%, 20%. Typical sourcing: Canada. For B2B formulation in nutraceuticals & supplements.

5%10%20%

Specifications

Botanical name Epilobium parviflorum / E. angustifolium
Common names Willowherb, Fireweed
Plant family / part Onagraceae / Aerial parts
Marker compound Oenothein B
Phytochemical class Tannins › Hydrolysable tannins (ellagitannins)
Available grades 5%, 10%, 20%
Made-to-order grades 10% (produced on request; confirm lead time)
Assay method HPLC
Pharmacopoeia & standards EMA herbal monograph
Form Standardized Extract
Origin Canada
Pack sizes Sample (50 g), 250 g, 1 Kg, 5 Kg, 25 Kg
Shelf life & storage Typically 24 months in sealed original packaging; store cool, dry and away from light

Formulation focus

  • Men's Health
  • Urinary & Kidney Health

Industries

Nutraceuticals & Supplements

Traditional systems: European herbal tradition

Documentation

The Technical Data Sheet and Safety Data Sheet (GHS format) can be downloaded from this page; the batch Certificate of Analysis is supplied on request. Confirm the assay method (HPLC, UV or gravimetric) on the CoA, as results differ between methods.

For B2B formulation and research use. Statements have not been evaluated by the FDA or other regulators; this ingredient is not intended to diagnose, treat, cure or prevent any disease.