Spatholobus Stem Extract Powder

Spatholobus stem extract powder is produced from the dried lianoid stem of Spatholobus suberectus Dunn, a Fabaceae botanical used as the source of Spatholobi Caulis and commonly known as Ji Xue Teng. The finished material is supplied as a concentrated botanical extract powder rather than as directly milled stem material.

Commercial sourcing primarily centers on 10:1 ratio extract, with 20:1 representing the main secondary grade. These formats describe the relationship between botanical starting material and finished extract rather than the concentration of one individual phytochemical, making botanical identity, extract definition, and analytical profile important parts of supplier evaluation.

Ingredient Profile & Common Uses

Spatholobus suberectus is a climbing species in the Fabaceae family, and its dried stem or lianoid stem is the botanical material recognized as Spatholobi Caulis. The extract differs from whole Ji Xue Teng powder because soluble botanical constituents are concentrated before drying, producing a lower-inclusion ingredient with a different chemical and physical profile from directly milled stem.

The principal commercial grade is 10:1, while 20:1 is the main higher-ratio alternative used in ingredient sourcing. These grades are defined by botanical-to-extract relationships, not by a 10% or 20% assay. When comparing suppliers, the stated ratio should therefore be considered together with botanical identity, carrier composition, analytical profile, and representative sample performance.

The ingredient is mainly used in concentrated botanical supplements, traditional herbal formulas, and multi-ingredient plant-based systems. Its chemical profile includes flavonoids, isoflavones, catechin-related compounds, procyanidins, and other phenolic constituents. Formulation work should evaluate blend uniformity, flow, dispersibility, color contribution, and compatibility with the selected dosage form.

Application Areas

Botanical Capsules

A concentrated ratio extract can reduce the quantity of raw botanical material required in capsule formulations compared with direct use of milled dried stem. Bulk density, flow, and blend uniformity remain important during filling trials.

Herbal Tablets

The powder can be incorporated into compressed multi-botanical products where premixing, particle distribution, compression behavior, and the physical characteristics of the selected grade affect manufacturing performance.

Multi-Botanical Powder Blends

Spatholobus extract can be used in dry botanical premixes alongside other concentrated plant ingredients. Density differences, particle behavior, color contribution, and segregation risk should be considered during blending.

Formulation Development

10:1 and 20:1 grades provide practical starting points for R&D teams comparing botanical concentration, analytical identity, carrier systems, powder behavior, and compatibility with existing formulations.

Typical Specifications

ParameterSpecification
Product NameSpatholobus Stem Extract Powder
Botanical NameSpatholobus suberectus Dunn
Botanical FamilyFabaceae
Pharmaceutical NameSpatholobi Caulis
Common NameJi Xue Teng
Plant PartDried lianoid stem / stem
Ingredient TypeBotanical extract
Product FormExtract powder
Primary Commercial Ratio10:1
Secondary Commercial Ratio20:1
Grade TypeBotanical-to-extract ratio
Characteristic ConstituentsFlavonoids, isoflavones, catechins, procyanidins, and related phenolic compounds

Key Constituents & Extract Profile

Spatholobus suberectus stem contains a complex phytochemical profile dominated by flavonoid and phenolic families. Reported constituents include catechin, epicatechin, gallocatechin, procyanidin B2, daidzein, calycosin, genistein, formononetin, biochanin A, medicarpin, and related compounds.

The stated extract ratio should be interpreted independently from the concentration of any individual constituent. A 10:1 grade does not establish a 10% active content and should not be treated as a formononetin-standardized extract unless a quantitative marker specification is explicitly defined.

For ingredient qualification, botanical identity and extract definition provide the primary framework, while chromatographic analysis can support identity, fingerprint comparison, or quantification of a specifically defined analyte.

Technical & Quality Considerations

Analytical evaluation starts with correct identification of Spatholobus suberectus and the stem raw material. Because Spatholobi Caulis is a multi-component botanical ingredient, the analytical method should have a clearly defined purpose. TLC can support botanical identity work, while HPLC or related chromatographic techniques are more relevant when evaluating a defined constituent or broader chemical profile.

Physical performance should be evaluated separately from the nominal extract ratio. Drying conditions, soluble-solids composition, carrier use, concentration process, and particle characteristics can affect powder density, flowability, agglomeration, wetting, and dispersibility. Materials carrying the same ratio can therefore behave differently during blending, encapsulation, compression, or dispersion.

During scale-up, dry formulations should be checked for premixing efficiency, blend homogeneity, segregation, capsule-filling behavior, and compression performance where applicable. Liquid or suspension prototypes should be evaluated for wetting, dispersibility, sedimentation, color, and sensory contribution before commercial production.

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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