Description

Frangula Alnus Bark Extract CAS NO 84929-75-9 is a standardized botanical extract derived from the bark of the *Frangula alnus* (Alder Buckthorn) tree, valued for its consistent content of bioactive anthraquinone glycosides. This natural extract is a critical raw material for industries requiring reliable, plant-based active ingredients with defined potency. It is primarily sought by manufacturers in the pharmaceutical, nutraceutical, and personal care sectors for its well-documented properties.

Application

• Pharmaceutical Intermediates: Used as a key starting material or active ingredient in the formulation of traditional and herbal medicinal products, particularly those supporting digestive health.
• Dietary Supplements & Nutraceuticals: Incorporated into capsules, tablets, and liquid formulations designed for natural wellness and detoxification support.
• Cosmetics & Personal Care: Found in specialized skincare formulations, such as creams and serums, where botanical actives are marketed for purifying or clarifying benefits.
• Herbal Extracts & Tinctures: Serves as a concentrated component for compounding in traditional medicine and phytotherapy preparations.
• Research & Development: Utilized in biochemical research, pharmacological studies, and as a reference standard in analytical laboratories.

Basic Information

Product Name	Frangula Alnus Bark Extract
CAS No.	84929-75-9
Molecular Formula	Not Applicable (Complex Botanical Extract)
Molecular Weight	Not Applicable (Complex Botanical Extract)
Synonyms	Alder Buckthorn Bark Extract; Rhamnus Frangula Bark Extract; Frangula Bark P.E.; Cortex Frangulae Extract; Buckthorn Bark Extract; Glossy Buckthorn Bark Extract; CAS 84929-75-9; Frangulae Cortex Extract
EINECS	Contact for details

Quality Control

Our Frangula Alnus Bark Extract is produced under strict quality management protocols to ensure batch-to-batch consistency and purity. Quality is verified through a series of analytical tests including HPLC for anthraquinone glycoside content, heavy metal screening, and microbiological analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and assay is provided with every shipment to support your regulatory and formulation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	Fine Brown to Yellowish-Brown Powder
Identification (HPLC/TLC)	Complies
Assay (Total Anthraquinones)	≥ 20% (or as specified)
Loss on Drying	≤ 5.0%
Ash Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 2 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g
E. coli / Salmonella	Negative

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.