Bearberry Leaf Extract Powder

Name: Bearberry Leaf Extract Powder 20% Arbutin | Essencefield
SKU: BOT-BEX-0202

Bearberry Leaf Extract Powder is produced from the leaves of Arctostaphylos uva-ursi (L.) Spreng., an Ericaceae botanical commonly known as bearberry or uva ursi. The leaves naturally contain arbutin together with tannins, flavonoids, and other phenolic constituents. Commercial material is supplied as a concentrated botanical extract powder rather than simple ground leaf.

Essencefield supplies standardized grades containing 10% and 20% arbutin by HPLC, with the 20% grade positioned as the primary commercial specification. A 10:1 ratio extract is also available for projects defined by botanical concentration rather than marker assay. These specifications represent different purchasing formats and should be selected according to formulation and analytical requirements.

SKU: BOT-BEX-0202 Categories: Botanical Extracts, Leaf & Herb Extracts Tags: Bearberry Leaf, Berry, Functional Beverages, Leaf, Polyphenols

Ingredient Profile & Common Uses

The raw botanical is the leaf of Arctostaphylos uva-ursi, a member of the Ericaceae family. Extraction concentrates soluble constituents from the plant material before the extract is dried and milled into powder. This processing distinction separates bearberry leaf extract from whole botanical powder and from purified arbutin sold as an isolated phytochemical ingredient.

Commercial grades use two different specification systems. Standardized extracts are defined by measured arbutin content, while ratio extracts describe the relationship between botanical raw material and finished extract. The available 10% and 20% HPLC grades therefore provide marker-controlled specifications, whereas a 10:1 product represents botanical concentration. Extract ratio should not be interpreted as an arbutin percentage.

The ingredient is used in concentrated botanical supplements, dry blends, and selected personal-care formulation projects. Because the finished powder retains a multi-component plant matrix, formulators should consider natural color, characteristic taste, powder flow, wetting, and sedimentation. Aqueous systems may require dispersion testing because the complete extract does not behave in the same way as purified crystalline arbutin.

Application Areas

Capsules

Standardized bearberry extract can be incorporated into capsule systems where marker contribution is calculated from the selected assay. Blend uniformity, powder flow, fill weight, and segregation should be evaluated during scale-up.

Tablets

Tablet formulations can use the extract as a marker-controlled botanical ingredient. Development work should evaluate premixing, compression behavior, content uniformity, disintegration, and the effect of the natural extract matrix on tablet appearance.

Botanical Powder Blends

The extract can be combined with complementary botanical ingredients in premixes, sachets, and other dry systems. Pre-blending can improve distribution when the concentrated extract represents a relatively small proportion of the final formula.

Personal-Care Formulations

Bearberry leaf extract can be evaluated as a botanical component in selected cosmetic and personal-care systems. R&D should assess dispersion, formulation color, pH compatibility, filtration behavior, and interaction with the selected base.

Typical Specifications

Parameter	Commercial Specification
Product Name	Bearberry Leaf Extract Powder
Botanical Name	Arctostaphylos uva-ursi (L.) Spreng.
Botanical Family	Ericaceae
Common Names	Bearberry · Uva Ursi
Plant Part	Leaf
Ingredient Type	Botanical extract powder
Available Standardized Grades	10% · 20% Arbutin
Primary Standardized Grade	20% Arbutin
Marker Compound	Arbutin
Analytical Method	HPLC
Ratio Extract Grade	10:1
Commercial Particle Size	80 mesh
Product Form	Fine extract powder

Marker Compounds & Standardization

Arbutin is the principal marker associated with standardized bearberry leaf extracts. Chemically, naturally occurring arbutin is a hydroquinone β-D-glucoside. Its measurement provides a quantitative method for defining the concentration of an important leaf constituent within the broader botanical extract.

Marker standardization does not convert the ingredient into purified arbutin. The finished extract still contains a plant-derived matrix that can include tannins, flavonoids, and other phenolic compounds originating from bearberry leaves. These additional constituents contribute to the physical and sensory characteristics of the powder.

HPLC is used to quantify the marker within standardized material and provides a clearer analytical basis for procurement than extract ratio alone. Buyers should also distinguish the extract from isolated beta-arbutin, because compound-level identifiers and physicochemical properties assigned to purified arbutin do not automatically describe a multi-component bearberry extract.

Technical & Quality Considerations

Analytical evaluation should establish botanical identity and quantify the selected marker specification using an appropriate chromatographic method. HPLC determination provides the primary assay measurement for standardized material, while chromatographic profile and botanical authentication can help confirm that the ingredient originates from bearberry leaf rather than visually similar plant powders. This distinction is especially important when comparing botanical extracts with purified arbutin ingredients.

Physical performance is influenced by the concentrated plant matrix and particle characteristics. The powder contributes natural botanical color and characteristic sensory properties, while particle size affects flow, blending, capsule filling, and tablet feeding. In water-based systems, R&D should assess wetting, dispersion, haze, and sedimentation instead of assuming the behavior of a fully soluble isolated compound.

During scale-up, concentrated botanical extracts may require premixing to improve distribution and reduce segregation when used at low inclusion levels. Dry formulations should be checked for blend uniformity, flow, compression behavior, and dose consistency. Liquid and semi-solid systems require additional assessment of dispersion, visible sediment, pH compatibility, processing temperature, color contribution, and physical stability throughout the intended production process.

Packaging & Commercial Supply

Essencefield supports samples, development quantities, commercial orders, and repeat ingredient supply for product evaluation, formulation, and ongoing sourcing. Packaging, storage, and shipping conditions are selected according to ingredient characteristics, order quantity, stability requirements, and destination-market needs.

Supply Item	General Information
Sample	Available for formulation, testing, and supplier evaluation
Order Quantities	Sample · 100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time	5–7 days
Production Lead Time	15–30 days
Packaging	Sealed food-grade or suitable protective inner packaging with drum, carton, bag, or other appropriate outer packaging
Storage	According to the approved product specification and ingredient stability requirements
Documentation	COA · Product Specification · TDS · SDS · Applicable declarations

Available quantities, packaging format, net weight, storage conditions, analytical requirements, documentation, and shipping arrangements are confirmed according to the selected ingredient and commercial order.