Yellow Dock Root Extract Powder

Yellow dock root extract starts from the root of Rumex crispus, the curly dock, a tall perennial weed of the knotweed family named for the yellow color of its cut root. Water extraction concentrates the soluble root fraction, and the liquor is dried to a light brown powder.

The extract is supplied at a 10:1 ratio with no marker percentage and is milled to 80 mesh. No other yellow dock form is listed, so this ratio extract is the single entry for buyers who need Rumex crispus root in a water-dispersible powder.

SKU: BOT-BEX-0639 Category: Botanical Extracts Tags: Bars & Bakery, Plant Extracts, Root & Rhizome, Seasonings & Sauces, Sports Nutrition, Water Extracted

Rumex crispus Root Identity & Plant Part

The botanical entity is Rumex crispus L., curly dock, a perennial of the Polygonaceae with long, wavy-edged leaves and a stout taproot. The part used is the root. Leaves, stems and seeds are not part of this ingredient, even though the leaves are eaten in some regions. The cut root shows a yellow to orange color from its anthraquinone pigments.

Several other docks are traded under similar names, among them Rumex obtusifolius, broad-leaved dock, and Rumex patientia, patience dock, and they are not interchangeable with curly dock. The root carries anthraquinones such as emodin and chrysophanol and their glycosides, together with tannins, oxalates and flavonoids, named here as families only.

What 10:1 Means for Yellow Dock

The 10:1 ratio states how much dried yellow dock root is concentrated into the extract. It is not an emodin or tannin figure, and yellow dock root extract carries no marker percentage on this entry. Since no powder or graded product is listed for this root, the ratio extract is the only specification route. Species and part are the two points that define it, because other docks differ in anthraquinone profile and appearance. The water extract holds the soluble glycosides and tannins and leaves the less soluble free anthraquinones behind.

Typical Specifications

Specification Item	Product Information
Latin Name	Rumex crispus
Plant Part	Root & Rhizome
Processing	Water Extraction
Common Name	Curly Dock Root
Ingredient Type	Ratio Extract
Extract Ratio	10:1
Appearance	Light brown powder
Solubility / Dispersibility	Water Dispersible
Quality Parameters
Moisture (LOD)	≤5.0%
Total Ash	≤5.0%
Particle Size	80 mesh
Heavy Metals	Lead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
Microbiology	TPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life	24 months in unopened original packaging, cool and dry storage

Application Areas

Capsule Fills for Yellow Dock

Two-piece capsules take Rumex crispus extract as a free-flowing light brown powder once a flow aid is added. The bitter, astringent taste stays inside the shell, which makes capsules the main format. Every finished capsule lot gets a weight-uniformity check and a disintegration test.

Coated Dock Root Tablets

Tablets compress the extract with cellulose filler and a disintegrant, with a film coat to cover the bitter, drying taste. Tannins can bind certain excipients, which is why compatibility trials come first. Hardness is checked on coated tablets before packing.

Spiced Root Tea Sachets

Instant sachets blend yellow dock extract with ginger, cinnamon and orange peel flavors and a sweetener. The cup is a hazy amber to tan liquid with a drying finish. Tasting trials set the inclusion level that keeps the drink acceptable.

Botanical Stick-Pack Blends

Stick packs pair the yellow dock extract with other root and herb extracts, sweetener and a dry carrier. Anthraquinone pigments tint the blend yellow-brown, so the shade of the mixed stick is checked. Uniform mixing and sieving keep the dose steady.

Earthy Bar Dry Blends

Bars take the yellow dock extract in the dry blend with oats, dates and cocoa, where earthy, roasted flavors cover the bitterness. The powder is premixed with dry ingredients before the syrup, and finished bars are checked for moisture and for color.

Formulation Notes

Yellow dock root extract is a light brown powder with a faint earthy aroma and a bitter, astringent taste. In water it disperses to a hazy amber-brown liquid. Anthraquinone and tannin compounds shift in color with pH, turning more orange-red in alkaline conditions and darker in the presence of iron, so finished formats are checked for shade.

With moderate moisture pickup, the powder is weighed in a dry room and the pack resealed after each draw. A flow agent smooths capsule and stick filling. Opened packs keep best in a closed container away from strong light.

Packaging & Commercial Supply

Essencefield supports product evaluation, formulation trials, commercial orders, and ongoing ingredient supply. Packaging, storage, and shipping arrangements are determined by product characteristics, order quantity, stability requirements, and destination-market needs.

Supply Item	General Information
Sample	Available upon request for formulation, testing, and supplier evaluation
Order Quantities	100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time	Typically 5–7 days after sample confirmation
Production Lead Time	Typically 15–30 days after order and specification confirmation
Packaging	Suitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
Storage	Store in tightly sealed, suitable protective packaging in a cool, dry environment. Protect from moisture, heat, and direct sunlight. Specific storage conditions follow the approved product specification.
Documentation	COA · Product Specification · TDS · SDS · Applicable declarations (as applicable)

Final order quantities, lead times, packaging, documentation, and shipping arrangements are confirmed according to the selected product and commercial requirements.