Description

Procyanidin B1 CAS NO 20315-25-7 is a naturally occurring proanthocyanidin dimer, a key bioactive compound found in various plants like grape seeds and maritime pine bark. This compound is highly valued for its potent antioxidant properties, which are central to its commercial and research applications. It is essential for manufacturers and researchers in the nutraceutical, cosmetic, and pharmaceutical industries seeking high-purity, standardized botanical extracts for health and wellness formulations.

Application

• Nutraceutical & Dietary Supplements: Used as a key active ingredient in antioxidant formulas, cardiovascular support supplements, and general wellness products.
• Cosmetic & Skincare Formulations: Incorporated into anti-aging creams, serums, and lotions for its ability to protect skin from oxidative stress and support collagen integrity.
• Pharmaceutical Research: Serves as a reference standard and active pharmaceutical ingredient (API) in studies focusing on inflammation, metabolic health, and neuroprotection.
• Functional Food & Beverages: Added to health drinks, fortified foods, and confectionery to enhance their antioxidant profile and market appeal.
• Veterinary Supplements: Utilized in pet health products aimed at promoting joint health and overall vitality.
• Biochemical Research: Employed in in-vitro and in-vivo studies to investigate mechanisms of action related to its bioactive effects.

Basic Information

Product Name	Procyanidin B1
CAS No.	20315-25-7
Molecular Formula	C30H26O12
Molecular Weight	578.52 g/mol
Synonyms	Procyanidin B1; Procyanidol B1; Epicatechin-(4β→8)-catechin; Catechin-(4α→8)-epicatechin; Procyanidin dimer B1; [4,8]-Bi-(-)-epicatechin; Grape seed extract P2; PAC B1
EINECS	Contact for details

Quality Control

Our Procyanidin B1 is produced under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for nutraceutical and research applications. Certificates of Analysis (COA) detailing purity, residual solvents, and heavy metals are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is easily oxidized and should be handled under an inert atmosphere when appropriate to maintain potency.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤10 ppm
Residual Solvents	Meets ICH guidelines
Microbiological Analysis	Meets standard limits

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