Description

Polygonum Bistorta, Ext. is a standardized botanical extract derived from the root of the *Polygonum bistorta* plant, commonly known as Bistort. This extract is valued for its consistent profile of bioactive polyphenolic compounds, including tannins and flavonoids. It serves as a key ingredient for manufacturers in the nutraceutical, cosmetic, and traditional herbal supplement industries seeking natural, plant-based actives. The product is supplied with full traceability and quality documentation to meet stringent global sourcing requirements.

Application

• Nutraceutical & Dietary Supplements: Utilized in formulations for its traditional astringent and antioxidant properties, often found in capsules, tablets, and liquid herbal extracts.
• Cosmetic & Personal Care: Incorporated into skincare products like creams, lotions, and serums for its potential skin-toning and soothing benefits.
• Traditional Herbal Preparations: Used as a base material in the manufacturing of standardized herbal extracts and tinctures for complementary medicine.
• Functional Food & Beverages: Potential application as a natural bioactive ingredient in health-focused food and drink products.
• Pharmaceutical Intermediates: Serves as a starting material for the further isolation and purification of specific phytochemicals for research and development.

Basic Information

Product Name	Polygonum Bistorta, Ext.
CAS No.	84012-36-2
Molecular Formula	Not Applicable (Complex Botanical Extract)
Molecular Weight	Not Applicable
Synonyms	Bistort Root Extract; Snakeweed Extract; *Polygonum bistorta* L. Root Extract; Adderwort Extract; Easter Ledges Extract; Osterick Extract; Patience Dock Extract; Bistorta officinalis Extract
EINECS	Contact for details

Quality Control

Our Polygonum Bistorta Extract is produced under a strict quality management system. Each batch is tested to confirm identity, potency, and the absence of specified contaminants including heavy metals, pesticides, and microbial load. A comprehensive Certificate of Analysis (COA) detailing assay values (e.g., for polyphenols or tannins as per customer specification), physical parameters, and safety tests is provided to ensure compliance with your quality standards and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. The product is hygroscopic (moisture-sensitive); ensure the container is resealed tightly after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Fine Brown to Reddish-Brown Powder
Identification	Complies (TLC/HPLC)
Assay (Polyphenols)	Min. 40% (by UV-Vis, as Gallic Acid Equiv.)*
Assay (Tannins)	Min. 20% (by UV-Vis)*
Loss on Drying	≤ 5.0%
Ash	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 10,000 cfu/g
Yeast & Mold	≤ 100 cfu/g
E. Coli	Negative
Salmonella	Negative

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

*Assay markers can be standardized to other specific compounds (e.g., Ellagic acid) upon request.