Wild Yam Extract Powder

Wild yam extract starts from the root and rhizome of Dioscorea villosa, the North American wild yam, a twining vine of the yam family. Water extraction concentrates the soluble root fraction, and the liquor is dried to a light brown powder that disperses in water.

The extract is supplied at a 10:1 ratio with no marker percentage and is milled to 80 mesh. A diosgenin-graded extract and the milled root powder are separate products, so this ratio extract is the entry for a whole-root water concentrate.

Dioscorea villosa Identity & Plant Part

The botanical entity is Dioscorea villosa L., the wild yam or colic root, a slender climbing vine of the Dioscoreaceae native to eastern North America. The part used is the root, in practice the knotty rhizome. Vines, leaves and fruit are not part of this ingredient. The species is wild-growing, and its root is hard, woody and pale inside.

Wild yam is a different plant from the food yams grown in tropical agriculture, such as Dioscorea alata, and also from the sweet potato, which is not a yam at all. The root carries steroidal saponins such as dioscin, which can release diosgenin on hydrolysis, along with starch, named here as families only.

Wild Yam Extract vs Powder and Diosgenin

FormWhat It IsChoose It When
10:1 Root ExtractWater-extracted and concentrated wild yam rootA whole-root concentrate without a marker target is specified
Wild Yam Extract 16–20% DiosgeninSeparate extract graded by diosgenin contentA defined diosgenin grade is the specification
Wild Yam Root PowderDried wild yam root milled to powderA starchy whole-root powder is wanted

The 10:1 ratio is a concentration step from dried root. It does not state a diosgenin or dioscin figure, and the wild yam extract here carries no marker percentage. Diosgenin in the graded sibling is measured after hydrolysis by its own method, so a buyer who needs that number specifies the graded product.

The root powder keeps starch and fiber and settles quickly in water, while the ratio extract dissolves into a hazy liquid and takes less volume. The water extract holds saponin glycosides in their native form. Species and part stay fixed across the family, and only the form changes.

Typical Specifications

Specification ItemProduct Information
Latin NameDioscorea villosa
Plant PartRoot & Rhizome
ProcessingWater Extraction
Common NameWild Yam Root
Ingredient TypeRatio Extract
Extract Ratio10:1
AppearanceLight brown powder
Solubility / DispersibilityWater Dispersible
Quality Parameters
Moisture (LOD)≤5.0%
Total Ash≤5.0%
Particle Size80 mesh
Heavy MetalsLead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
MicrobiologyTPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life24 months in unopened original packaging, cool and dry storage

Application Areas

Capsule Fills for Wild Yam

Two-piece capsules take wild yam extract as a light brown powder that flows well with a little flow aid. The faintly bitter, earthy taste stays inside the shell. A fill-weight check and a disintegration test close each lot, and a dry filling room limits caking.

Root Extract Tablet Blends

Wild yam tablets are built on cellulose filler and a disintegrant, and the saponin fraction can make the powder sticky on tooling. A lubricant and dry granulation keep the press running, while a film coat hides the bitter taste and brown tint.

Earthy Tea-Style Sachets

Instant sachets blend wild yam extract with ginger, cinnamon and orange peel flavors that suit its earthy profile. The cup is a hazy tan liquid that foams lightly on stirring. The dry premix is sealed quickly, because humidity makes the powder clump.

Stick Packs With Wild Yam

Stick packs pair the wild yam extract with sweetener and a dry carrier, and sometimes with other root extracts. Uniform blending keeps the dose even from stick to stick, and a sieve step removes lumps before filling. Gentle stirring in the cup limits foam.

Hearty Bar Dry Blends

Bars use the wild yam extract in the dry fraction with oats, nuts and dates, where the mild bitterness is hidden by sweet binders. The powder goes in ahead of the syrup to avoid lumps, and finished bars are checked for moisture and shade.

Formulation Notes

Wild yam extract is a light brown powder with a faint earthy smell and a bitter, slightly acrid taste. In water it disperses to a hazy tan liquid and may foam lightly, because of its saponin content. A fine sediment forms on standing and returns to suspension with a brief stir.

Because the powder takes up moisture and cakes in humid air, it is weighed in a dry room. Premix it with a flow agent before capsule or stick filling, and add liquid to powder slowly to keep foam down. Opened packs keep their shade best in a closed container, protected 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 ItemGeneral Information
SampleAvailable upon request for formulation, testing, and supplier evaluation
Order Quantities100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead TimeTypically 5–7 days after sample confirmation
Production Lead TimeTypically 15–30 days after order and specification confirmation
PackagingSuitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
StorageStore 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.
DocumentationCOA · 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.

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