Stemona Root Extract Powder

Stemona Root Extract Powder is a concentrated botanical ingredient produced from the root of Stemona tuberosa Lour., an accepted species in the Stemonaceae family and one of the botanical sources associated with Stemonae Radix, or Bai Bu. The finished ingredient is supplied as a tan-to-brown fine extract powder for professional botanical formulation and ingredient sourcing.

The primary commercial specification is 10:1 extract, with a 20:1 ratio extract providing a second concentrated format. These grades are defined by botanical extraction ratio rather than by the percentage of an individual alkaloid, allowing procurement teams to distinguish conventional ratio extracts from marker-standardized Stemona ingredients.

Ingredient Profile & Common Uses

Stemona tuberosa root is the defined botanical raw material for this extract. The product differs from untreated Stemona root powder because the botanical material undergoes an extraction and concentration step before drying. It should also be distinguished from Stemona extracts based on other accepted botanical sources associated with Stemonae Radix, since species identity can influence the characteristic alkaloid profile of the finished ingredient.

Ratio grades describe the concentration relationship between botanical starting material and finished extract. The 20:1 format represents a higher extraction ratio than the standard grade but does not indicate a 20% alkaloid assay. Marker-standardized Stemona extracts follow a different commercial specification system in which a defined compound or alkaloid fraction is measured analytically.

The concentrated powder is primarily suited to dry botanical systems where powder handling, blend uniformity, color, and compatibility with other extracts can be managed during formulation. Its root-derived sensory profile and multi-component composition should also be considered in products consumed directly. Reconstituted formats require additional evaluation of wetting, dispersion, sedimentation, flavor impact, and visual appearance.

Application Areas

Dietary Supplement Capsules

The concentrated powder can be incorporated into single-ingredient or multi-botanical capsule products. Development should evaluate fill weight, bulk density, flow behavior, and blend uniformity.

Botanical Tablets

Stemona root extract can be used in compressed botanical systems with suitable excipients. Pilot batches should assess powder flow, compression behavior, tablet appearance, disintegration, and ingredient distribution.

Multi-Botanical Formulations

Ratio extracts can be combined with other concentrated botanical ingredients in dry blends. Staged premixing can improve distribution where ingredient density, particle size, or inclusion level differs substantially.

Sachets and Dry Powder Systems

Fine extract powder can be incorporated into sachets and other dry formats. Reconstituted applications should be evaluated for dispersibility, settling, botanical bitterness, and finished-product color.

Typical Specifications

ItemSpecification
Product NameStemona Root Extract Powder
Botanical NameStemona tuberosa Lour.
Botanical FamilyStemonaceae
Common Commercial NamesStemona Root Extract · Bai Bu Extract · Stemonae Radix Extract
Plant PartRoot
Ingredient TypeBotanical Extract
Product FormFine Powder
Primary Commercial Grade10:1 Extract
Secondary Ratio Grade20:1 Extract
AppearanceTan to Brown Fine Powder
Characteristic ConstituentsStemona Alkaloids
Grade ArchitectureRatio Extract
Primary Specification BasisBotanical Extract Ratio

Stemona Alkaloids & Extract Profile

The roots of Stemona tuberosa contain a chemically diverse group of characteristic Stemona alkaloids rather than a single universal active compound. Reported constituents include tuberostemonine, neotuberostemonine, croomine, stemoninine, and structurally related alkaloids. Their relative distribution contributes to the chemical fingerprint of the botanical material and helps differentiate Stemona ingredients beyond the product name alone.

Extract ratio, marker standardization, and chromatographic profiling describe different aspects of ingredient quality. A ratio grade defines botanical concentration, while a standardized extract uses a defined marker assay such as Stemonine or another validated alkaloid specification. TLC or HPLC profiling can provide broader identity information by comparing characteristic components across the extract rather than measuring only one marker.

For procurement and QA teams, botanical species, plant part, extract ratio, marker assay, and chromatographic identity should therefore be evaluated as separate specification attributes.

Technical & Quality Considerations

Because Stemonae Radix can originate from several accepted Stemona botanical sources, species-level authentication is especially important for this ingredient. An S. tuberosa extract should maintain a clear connection between botanical identity, root raw material, and finished extract. TLC or HPLC profiling can provide additional analytical evidence where characteristic alkaloid patterns are relevant to supplier qualification or product development.

The finished material is a multi-component botanical extract rather than a purified phytochemical. Its tan-to-brown color and characteristic botanical sensory profile can affect light-colored or direct-consumption products. Powder flow, bulk density, and particle distribution are also relevant when the extract is blended with ingredients that differ substantially in density or particle size.

During scale-up, capsule projects should evaluate filling consistency and flow, while tablet development should include compression and content-uniformity trials. Low-inclusion botanical blends can benefit from staged premixing to reduce segregation risk. Liquid or reconstituted systems should be assessed for wetting, dispersion, settling, taste, and visual stability rather than assuming the behavior of a ratio extract is equivalent to that of a purified water-soluble compound.

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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