Product Description

Pine Bark Extract Powder is a natural botanical extract obtained from the bark of Pinus pinaster, also known as maritime pine. Its main active constituent is oligomeric proanthocyanidins (OPCs), a class of potent natural antioxidants.

The product is a reddish-brown fine powder with a mild, characteristic plant smell. The commonly available specification is 95% OPCs tested by UV method; other specifications like 70% OPC and 5:1 extract are also available for customized demands. It is soluble in water and ethanol, easy to incorporate into various formulations.

COA

Items	Specifications
Appearance	Brown Powder
Loss on Drying	≤0.50%
Residue on Ignition	≥0.1%
Lead	≤2 ppm
Arsenic	≤1 ppm
Cadmium	≤1 ppm
Mercury	≤0.1 ppm
Total Aerobic Count	≤1000 CFU/g
Yeast & Mold	≤100 CFU/g
E.Coli, Salmonella	Negative
Shelf Life	24 months (sealed and stored away from light)

Functions and Effects

Powerful Antioxidant Activity Proanthocyanidins can scavenge free radicals in the body, reduce oxidative stress and help protect cells from oxidative damage. It helps delay the oxidation of active ingredients in formulations.

Skin Care Benefits It helps protect skin from external environmental irritants. It supports skin elasticity and helps maintain a smooth skin appearance, widely used in anti-aging, brightening skincare formulations.

Support Vascular Health (For Supplement Use) Proanthocyanidins help maintain capillary strength and microcirculation, support normal blood vessel permeability.

Anti-Inflammatory Properties It helps relieve mild inflammatory reactions caused by oxidative stress.

Enhance Absorption of Vitamin C OPCs can stabilize and boost the bioavailability of vitamin C when used together in formula.

Application Fields

Anti-aging skincare creams, serums & lotions

Skin brightening and repair cosmetic formulations

Active ingredient stabilizer for cosmetic formulas

Vascular support dietary supplement capsules & tablets

Joint care supplement blends

Vitamin C combined supplement formulations

Antioxidant functional foods and health beverages

Business Scope

0421001

Packaging And Transportation Methods

001

Certificationss

222

FAQ

Q1: What is Pine Bark Extract Powder?

A: Pine bark extract powder is a natural plant extract obtained from the bark of maritime pine, with Proanthocyanidins (OPC, oligomeric proanthocyanidins) as its core active ingredient. It is widely used in dietary supplements, functional food and cosmetic raw materials.

Q2: What is Proanthocyanidins (OPC) content specification?

A: Typical specifications: Proanthocyanidins 95% / 98% (UV test method). Our product adopts standard HPLC detection, oligomeric proanthocyanidins are the main active fraction, low monomer & polymer impurities.

Q3: What are the main benefits of Pine Bark Extract Proanthocyanidins?

A: Proanthocyanidins are strong natural antioxidants. It helps neutralize free radicals, support vascular health, maintain skin elasticity, and relieve mild oxidative stress.

Q4: What is the solubility & physical property?

A: Reddish-brown fine powder, soluble in water and ethanol, slightly hygroscopic. Keep sealed in cool & dry place, avoid direct sunlight.

Q5: MOQ & COA support

A: Flexible MOQ. Each batch can provide full COA, specification sheet, heavy metal & microbiology test reports, meeting food/supplement grade requirements.