Couchgrass Root Extract Powder

Couchgrass root extract starts from the creeping underground stem of Elymus repens, a rhizome sold under the trade name couchgrass root, with the stems and leaves above ground excluded. Water extraction concentrates the soluble fraction, and the liquor is dried into a light yellow powder that disperses in water.

The extract is supplied at a 10:1 ratio with no marker percentage and is milled to 80 mesh. It is a plain rhizome extract, and no powder or standardized grade of this grass is listed beside it.

SKU: BOT-BEX-0304 Category: Botanical Extracts Tags: Gummies & Chews, Plant Extracts, Root & Rhizome, Sports Nutrition, Water Dispersible, Water Extracted

Elymus repens Identity & Plant Part

The botanical entity is Elymus repens (L.) Gould, couchgrass, quackgrass or twitch, a creeping perennial grass of the Poaceae that is also known by the older name Agropyron repens. The part used is the rhizome, sold as couchgrass root. Stems, leaves and seed heads are not part of this ingredient.

Supplier pages often list the part as root, but the material is botanically a rhizome. That difference matters for specification, because true roots and rhizomes carry different tissue. The rhizome holds fructans, sugar alcohols such as mannitol, phenolic acids and small amounts of saponins and volatile oil, named only as constituent families.

Couchgrass is a widespread field weed, and harvested rhizome is washed to remove soil before it is dried and extracted. The light yellow shade of the powder reflects the pale rhizome tissue.

What 10:1 Means for Couchgrass Root

Couchgrass rhizome is rich in soluble sugars and fructans, so a 10:1 extract concentrates mostly carbohydrate. The ratio measures that concentration against the Elymus repens rhizome and does not define phenolic acid or saponin content. This is why the powder tastes sweet and takes up humidity quickly. A stated phenolic acid or saponin figure would call for a marker-based product. One who names species, rhizome and ratio can use this couchgrass root extract as it is.

Typical Specifications

Specification Item	Product Information
Latin Name	Elymus repens
Plant Part	Root & Rhizome
Processing	Water Extraction
Common Name	Couchgrass Rhizome
Ingredient Type	Ratio Extract
Extract Ratio	10:1
Appearance	Light yellow 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

Rhizome Extract Capsules

Two-piece capsules take couchgrass root extract as a dispersible, pale yellow powder. The sugar content gives a sticky texture in humid rooms, so a flow aid and a dry filling suite are used. Disintegration is tested on the finished capsule.

Chewable Tablet Blends

The extract compresses with mannitol and a disintegrant, and its natural sweetness helps taste. A very light tint needs no coating for color, but a thin coat improves swallow feel. Compression runs are kept in a low-humidity room to stop the sugar-rich powder sticking to punches.

Instant Drink Mixes

Instant drink powders use the extract as a pale, mildly sweet, slightly earthy base. Lemon, ginger and barley-style flavors blend well. The cup is hazy and light yellow, and a dry carrier keeps the dose even from sachet to sachet.

Gummy Premix Blends

Gummies carry the extract with its own fructans adding a little body and sweetness. Add it to the cooked base late and check water activity on the finished piece, because the fructans bind water. Finished gummies are stored dry, because fructans keep drawing water after depositing.

Stick-Pack Tea Mixes

Single-serve sticks combine the extract with herbal tea powders. The pale yellow color does not disturb the cup, and the sweet, grain-like taste rounds out bitter herbs such as dandelion or nettle. Sticks are sealed in barrier laminate, since sugar-rich extracts lump in humid air.

Formulation Notes

Couchgrass root extract is a light yellow powder with a faint, grassy, hay-like smell and a mildly sweet, starchy taste. In water it disperses to a pale, hazy liquid that thickens very slightly. Fine particles settle slowly on standing.

Soluble sugars and fructans pull moisture from the air, so the powder cakes quickly after a pack is opened. Weigh it in a dry room, reseal the liner at every draw, and keep tools dry. Capsule filling benefits from a light premix with a flowing carrier, because the sticky extract can bridge in the hopper if it has taken up even a little humidity.

Because couchgrass root extract is light in color, small amounts of browning show up quickly, so storage color is a useful early check on the quality of an open pack over time.

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.