Description

Polygonum Aviculare, Ext. CAS NO 84604-04-6 is a standardized botanical extract derived from the common knotweed plant (*Polygonum aviculare L.*). This natural extract is valued for its rich concentration of bioactive flavonoids and polyphenolic compounds, offering a consistent and potent profile for industrial applications. It serves as a key functional ingredient for manufacturers in the nutraceutical, cosmeceutical, and pharmaceutical industries seeking natural, plant-based actives.

Application

• Nutraceutical Formulations: Used as an active component in dietary supplements and functional foods for its antioxidant properties.
• Cosmetic & Personal Care: Incorporated into anti-aging creams, serums, and lotions for its skin-conditioning and protective benefits.
• Pharmaceutical Intermediates: Serves as a starting material for the isolation and synthesis of specific flavonoid compounds.
• Traditional Herbal Preparations: Provides a standardized extract base for modern herbal medicine products.
• Functional Beverages: Added to health drinks and teas to enhance nutritional value.
• Animal Nutrition: Explored as a natural additive in feed for potential health benefits.

Basic Information

Product Name	Polygonum Aviculare, Ext.
CAS No.	84604-04-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polygonum Aviculare Extract; Knotweed Extract; Birdweed Extract; Prostrate Knotweed Extract; Herba Polygoni Avicularis Extract; 84604-04-6; Avicularin-rich Extract; Common Knotgrass Extract
EINECS	Contact for details

Quality Control

Our Polygonum Aviculare Extract is produced under strict quality management protocols. Each batch is tested to verify key markers such as total flavonoid content, avicularin concentration, and the absence of heavy metals and microbial contaminants. Certificates of Analysis (COA) documenting purity, potency, and compliance are available upon request to support your regulatory and formulation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is hygroscopic (moisture-sensitive) and should be handled in a low-humidity environment to prevent caking and degradation. For long-term stability, consider storage under an inert atmosphere to mitigate oxidation.

Specification

Item	Specification
Appearance	Fine brown to yellow-brown powder
Identification (HPLC/UV)	Complies
Assay (Total Flavonoids)	≥ 40% (as Avicularin)
Avicularin Content (HPLC)	≥ 10%
Loss on Drying	≤ 5.0%
Ash	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 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.