Goldenseal Extract 5% Hydrastine

Goldenseal Extract is a standardized botanical extract prepared from the dried roots and rhizomes of Hydrastis canadensis L., family Ranunculaceae. Its characteristic chemistry is defined by isoquinoline alkaloids, with hydrastine and berberine serving as the principal quantitative markers. The ingredient is supplied as a concentrated powdered extract for botanical supplement and formulation applications.

The standardized grade contains ≥5% hydrastine and ≥10% combined berberine + hydrastine, calculated on a dried basis. These are separate acceptance criteria: hydrastine must independently meet the 5% minimum, while the combined concentration of both markers must reach at least 10%. The corresponding powdered extract grade is associated with a 2:1 starting crude botanical material-to-extract ratio.

Ingredient Profile & Common Uses

Goldenseal is derived from the dried roots and rhizomes of Hydrastis canadensis. The extract contains a characteristic isoquinoline alkaloid profile that includes hydrastine, berberine, and canadine. It differs from ground goldenseal root because extraction concentrates the relevant alkaloid fraction, while retaining a multi-component botanical identity rather than representing a single isolated phytochemical.

Commercial standardization uses a dual-marker approach rather than an undifferentiated total-alkaloid claim. This grade is defined through separate hydrastine control and combined hydrastine–berberine measurement, providing a more specific chemical specification than ratio extracts or products standardized only to total alkaloids. It is also commercially distinct from isolated berberine and berberine hydrochloride ingredients.

The concentrated extract is primarily used in dietary supplements and multi-botanical systems requiring a defined goldenseal alkaloid profile. Its alkaloid-rich composition contributes pronounced bitterness, while berberine-containing botanical material has characteristic yellow coloration. Capsules, tablets, and other dry-dose formats are therefore particularly practical where direct taste exposure and finished-product color need to be minimized.

Application Areas

Dietary Supplement Capsules

Suitable for hard-shell capsule formulations requiring a standardized goldenseal ingredient with defined marker control for consistent dry-dose supplement manufacturing.

Botanical Tablets

Applicable to compressed botanical products where controlled alkaloid standardization is preferred to non-standardized root powder. Blend uniformity and compression behavior should be evaluated during scale-up.

Multi-Botanical Formulas

Used in complex herbal formulations where authentic goldenseal extract is specified as the botanical ingredient rather than isolated berberine or another berberine-containing plant.

Standardized Herbal Complexes

Suitable for concentrated dry blends combining multiple standardized botanical extracts. Its strong bitterness and characteristic coloration should be considered when developing exposed powder or flavored formats.

Typical Specifications

Parameter	Specification
Product Name	Goldenseal Extract
Botanical Name	Hydrastis canadensis L.
Botanical Family	Ranunculaceae
Plant Part	Dried Roots & Rhizomes
Ingredient Type	Standardized Botanical Extract
Product Form	Powdered Extract
Starting Material-to-Extract Ratio	2:1
Primary Marker	Hydrastine
Hydrastine	≥5%, dried basis
Combined Markers	Berberine + Hydrastine
Berberine + Hydrastine	≥10% combined, dried basis
Standardization Type	Dual-marker alkaloid standardization
Characteristic Alkaloid Family	Isoquinoline Alkaloids

Marker Compounds & Standardization

Hydrastine and berberine form the principal quantitative framework for this standardized goldenseal grade. Hydrastine has the molecular formula C₂₁H₂₁NO₆, while berberine has the formula C₂₀H₁₈NO₄. Canadine is another characteristic alkaloid associated with goldenseal and contributes additional information when evaluating the broader botanical alkaloid profile.

The combined assay represents the sum of berberine and hydrastine rather than total alkaloids. It also does not represent berberine alone. This distinction matters when comparing commercial extracts because products standardized to total alkaloids, berberine alone, or extraction ratio are not analytically equivalent to this dual-marker grade.

Hydrastine and berberine can be quantified separately using reversed-phase HPLC with UV detection. Separate measurement provides clearer interpretation than an undifferentiated alkaloid value and supports comparison between incoming botanical material, reference standards, standardized extract, and formulated products.

Technical & Quality Considerations

Analytical evaluation should prioritize botanical identity together with marker-specific quantification. Berberine alone is insufficient to establish authentic goldenseal identity because it also occurs in other botanical materials, including Coptis and Berberis species. Hydrastine and the wider alkaloid pattern provide stronger differentiation of goldenseal. The resulting chromatographic profile supports both botanical authentication and assay control.

From a formulation perspective, the extract carries the sensory and visual characteristics expected from an alkaloid-rich botanical ingredient. Pronounced bitterness can become important in powders, chewable systems, or products with direct oral exposure, while characteristic yellow coloration may affect lightly colored formulations. In dry-dose manufacturing, particle distribution and blend uniformity are particularly relevant when the concentrated extract is used at comparatively low inclusion levels.

During scale-up, R&D teams should evaluate premixing, blend uniformity, capsule-filling performance, and tablet compression behavior. Purchasing and formulation records should also distinguish standardized goldenseal extract from isolated berberine and berberine hydrochloride because these ingredients have different botanical identities and specification systems. Hydrastis canadensis is listed in CITES Appendix II, making documented botanical provenance particularly relevant when sourcing roots, rhizomes, or powdered underground plant material.

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.