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Standardized ExtractPyrrolizidine alkaloidsEuropean herbal tradition

Comfrey Extract (Symphytum officinale) – Allantoin 0.5–2.5%

Symphytum officinale · Boraginaceae

Regulated ingredient — check your market before you buy

Pyrrolizidine-alkaloid plant – PA-free certification required

Orders are released after a compliance review of the intended use and destination market.

Marker compound
Allantoin
Standardisation
0.5–2.5% (HPLC)
Assay method
HPLC
Plant part
Root

Comfrey Extract (Symphytum officinale) – Allantoin 0.5–2.5%

Comfrey extract is produced from the root of Symphytum officinale (Boraginaceae family) and supplied as a standardized extract powder, standardized to Allantoin. Available grades: 0.5%, 2.5%. Typical sourcing: Europe. For B2B formulation in nutraceuticals & supplements.

0.5%2.5%

Specifications

Botanical name Symphytum officinale
Common names Comfrey
Plant family / part Boraginaceae / Root
Marker compound Allantoin
Phytochemical class Other phytochemicals › Other bioactive phytochemicals
Available grades 0.5%, 2.5%
Assay method HPLC
Pharmacopoeia & standards Ph. Eur. (EP), EMA herbal monograph, ESCOP monograph
Form Standardized Extract
Origin Europe
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

Regulatory status

  • Pyrrolizidine-alkaloid plant – PA-free certification required

Supplied only to qualified business buyers for lawful manufacturing, research or pharmaceutical use. Buyers are responsible for compliance in their market.

Industries

Nutraceuticals & Supplements

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.