Description

Procyanidin B2 3'-O-Gallate is a specific, high-purity proanthocyanidin compound, a subclass of polyphenolic bioflavonoids known for their potent antioxidant properties. This compound matters for its targeted biological activity and serves as a critical reference standard in analytical and research applications. It is primarily needed by the pharmaceutical, nutraceutical, and cosmetic industries for research, quality control, and as a potential active ingredient in formulations targeting oxidative stress.

Application

• Pharmaceutical Reference Standard: Used for the identification, assay, and purity testing of procyanidin-based products in QC/QA laboratories.
• Nutraceutical Research: Investigated as a key active component in dietary supplements for its antioxidant and potential cardioprotective benefits.
• Cosmetic Actives: Incorporated into anti-aging and skin-protective formulations for its ability to neutralize free radicals and support collagen.
• Biochemical Research: Serves as a precise tool in studies of flavonoid metabolism, bioavailability, and structure-activity relationships (SAR).
• Functional Food & Beverage Development: Explored as a natural antioxidant additive to enhance the stability and health profile of food products.

Basic Information

Product Name	Procyanidin B2 3'-O-Gallate
CAS No.	73086-04-1
Molecular Formula	C₄₄H₃₆O₂₀
Molecular Weight	884.75 g/mol
Synonyms	Procyanidin B2 3'-gallate; Procyanidin B2 3'-O-gallate; Procyanidin B2 3-O-gallate; Epicatechin-(4β→8)-epicatechin-3-O-gallate; 3'-O-Galloylprocyanidin B2; [4,8-Bi(epicatechin)]-3'-gallate; Proanthocyanidin B2 3'-gallate
EINECS	Contact for details

Quality Control

Our Procyanidin B2 3'-O-Gallate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets high-grade standards suitable for research and development. Certificates of Analysis (COA) with detailed chromatographic data are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. The container should be kept in a cool, dry, and well-ventilated area.

Specification

Item	Specification
Appearance	Light brown to brown powder
Identification (HPLC)	Conforms to reference standard
Identification (UV)	Conforms
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤10 ppm

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