Horsetail Extract Powder

Horsetail Extract Powder is a standardized botanical extract produced from the aerial parts of Equisetum arvense L., a species in the Equisetaceae family. The material is supplied as a fine botanical powder for supplement, dry-blend, sachet, and selected personal-care formulations requiring defined horsetail identity and controlled silica content.

The primary commercial specification is 7% silica. The standardized extract is supplied as a fine light green to greenish-brown powder with controlled particle size and moisture for repeat formulation work. Its particulate, water-dispersible behavior makes it especially relevant to dry dosage forms and formulations where suspended botanical solids are acceptable.

SKU: BOT-BEX-0380 Categories: Botanical Extracts, Leaf & Herb Extracts Tags: Dietary Supplements, Equisetum arvense, Flavonoids, Horsetail, Silica

Ingredient Profile & Common Uses

Equisetum arvense is a perennial horsetail species whose sterile aerial parts are used as the botanical raw material. Extract powder differs commercially from simply milled horsetail herb because soluble botanical constituents are concentrated before drying and milling. The resulting ingredient retains a multi-component plant matrix containing silicon-related constituents, flavonoids, phenolic compounds, and other naturally occurring botanical components.

The principal standardized grade is defined by a 7% silica specification. This should be distinguished from ratio extracts such as 4:1 or 10:1: an extract ratio describes the relationship between starting botanical material and finished extract, while a standardized percentage describes the concentration of a defined analytical constituent. The two specifications therefore serve different purchasing and formulation purposes.

The extract is primarily suited to dry dosage forms and dispersed formulation systems. Its natural botanical color and characteristic sensory profile can influence finished-product appearance and flavor, while its particulate behavior should be considered when moving into aqueous formats. Formulators therefore use the ingredient differently from a fully soluble isolated compound or mineral ingredient.

Application Areas

Hard Capsules

Suitable for botanical capsule formulations where formulators evaluate powder density, flow, capsule capacity, fill-weight consistency, particle-size compatibility, and segregation with other active or excipient powders.

Tablets

Horsetail extract can be evaluated in compressed formats with attention to blend flow, compressibility, lubrication, sticking, hardness, friability, disintegration, and natural color contribution.

Powder Blends

Dry nutritional and botanical blends should assess particle-size matching, geometric premixing, blend uniformity, dusting, flavor interaction, moisture exposure, and segregation during handling and filling.

Stick Packs & Sachets

Single-serve powder systems require controlled flow and dosing accuracy. Reconstituted formats should also be evaluated for wetting, visible particles, sedimentation, flavor impact, and packaging moisture protection.

Cosmetic Masks & Premixes

The fine botanical powder may be evaluated in rinse-off and powder-based cosmetic systems where particle feel, green-brown color, dispersion, odor, preservation compatibility, and physical stability are relevant.

Typical Specifications

Parameter	Specification
Product Name	Horsetail Extract Powder
Botanical Name	Equisetum arvense L.
Botanical Family	Equisetaceae
Common Name	Field Horsetail
Plant Part	Aerial parts
Ingredient Type	Standardized botanical extract
Product Form	Fine powder
Primary Specification	7% silica
Appearance	Light green to greenish-brown fine powder
Odor & Taste	Characteristic herbal, earthy, mildly bitter
Particle Size	80–100 mesh
Moisture	NMT 5.0%
Water Behavior	Water-dispersible; not clear-soluble
Shelf Life	24 months in unopened original packaging

Silica Standardization & Botanical Constituent Profile

Silicon-related constituents are one of the distinguishing chemical characteristics of Equisetum arvense. However, silica, elemental silicon, silicic acid, silicate, and organosilicon are different analytical terms and should not be treated as numerically interchangeable. A percentage value is meaningful only when it refers consistently to the same defined analyte and reporting basis.

The wider botanical matrix also contains flavonoids and phenolic compounds. Published phytochemical investigations of E. arvense aerial material and extracts have identified quercetin, kaempferol, apigenin, and luteolin glycosides, together with caffeoyl-containing phenolic compounds and other polar constituents. These compounds help characterize the botanical matrix but are not presented here as separate commercial assays.

For procurement purposes, the standardized silica grade defines the main commercial specification, while botanical identity, plant part, particle characteristics, appearance, moisture, and formulation behavior provide additional criteria for evaluating ingredient consistency.

Technical & Quality Considerations

Botanical authentication is particularly important within the Equisetum genus because related species can differ in phytochemical composition. Quality evaluation should therefore establish Equisetum arvense identity and the correct aerial plant material before assessing the standardized constituent. Analytical comparison also requires a consistent assay definition and reporting basis across raw-material approval, specification review, and repeat commercial batches.

The finished extract is a fine green-to-brown powder with 80–100 mesh particle characteristics and moisture controlled to NMT 5.0%. It disperses in water but does not form a clear solution, so suspended particles and sedimentation can occur in low-viscosity systems. Natural color, mildly bitter taste, earthy odor, particle size, and moisture can affect blending, powder flow, sensory performance, and final appearance.

During scale-up, capsule and powder-blend projects should evaluate feed consistency, segregation, dosing accuracy, and fill performance. Tablet systems require compression trials rather than assuming direct-compression suitability. For reconstituted formulations, wetting, agitation, viscosity, sedimentation, color, and flavor masking should be assessed. Geometric premixing can improve uniformity when the extract is combined with powders having substantially different particle sizes or bulk densities.

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.