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Premium Pine Bark Extract by Zhonghong Bio | GMP Factory, Verified Quality, Global B2B Supply

Pine Bark Extract – Bulk Supply from GMP-Certified Herbal Extract Supplier

  1. English Name: Pine Bark Extract (Oligomeric Proanthocyanidins, OPC)

  2. Specification: OPC 95% / 90% / 80% (HPLC/UV); water-soluble

  3. Appearance: Reddish-brown fine powder with a mild characteristic aroma

  4. CAS No.: 4852-22-6

  5. Lead Time: 3–7 working days

  6. Package: 25 kg/drum; 27 drums/tray

  7. Main Markets: Europe, North America, Asia—commonly used in dietary supplements, functional foods, and beauty formulations

  8. Applications (Key Features): Known for its strong antioxidant profile, supports healthy aging, skin vitality, and overall wellness formulations without making medical claims.

  9. Industry Applications: Capsules, tablets, beauty-from-within supplements, functional beverages, antioxidant blends, sports nutrition formulas, skincare and cosmetic boosters.

🛡️ GMP Certified 🔬 HPLC Lab Tested 🌍 Global Shipping 📦 MOQ: 1kg / 25kg

1. Pine Bark Extract – High-Purity OPCs for Nutraceuticals, Cosmetics & Functional Foods

If you’re sourcing high-quality Pine Bark Extract for dietary supplements, cosmetics, or functional food applications, AIHerba® delivers a level of consistency, purity, and documentation that global B2B buyers rely on. Our extract is produced in a GMP-certified plant extract factory in China, using traceable raw materials and validated processes. Each batch is tested by HPLC/UV, screened for heavy metals and pesticides, and supported with a full COA / MSDS on request.

Whether you need bulk Pine Bark Extract, a customized herbal extract for formulation, or OEM/ODM service for product development, our technical team provides fast support, competitive pricing, and stable supply. With over 28 years of extraction experience, AIHerba® has grown into a trusted herbal extract supplier for international manufacturers in nutraceuticals, beverages, pharmaceuticals, and beauty industries.


2. Product Overview

Pine Bark Extract is a standardized botanical ingredient derived from the bark of Pinus massoniana or Pinus pinaster. It is naturally rich in Oligomeric Proanthocyanidins (OPCs)—highly stable polyphenolic compounds valued for their antioxidant capacity, formulation versatility, and compatibility with dietary, cosmetic, and beverage products.

AIHerba® offers Pine Bark Extract in multiple grades, including 95% OPC (HPLC) and standard UV-potency grades, designed to meet EU, US, and Asia-Pacific regulatory requirements.


3. Scientific Source & Quality Assurance

Our quality program ensures every batch meets international standards:

  • Raw material identification following ISO 11026 / Chinese Pharmacopoeia

  • OPC assay by HPLC / UV

  • Polyphenol profile verification

  • Microbiological safety testing according to GB / USP

  • Third-party testing available upon request (SGS / Eurofins)

AIHerba® maintains complete documentation files for QA teams, including TDS, COA, MSDS, Allergen Statement, Non-GMO statement, and Heavy Metal Compliance Reports.


4. Raw Material Traceability

Each batch is traceable back to:

  1. Forest origin (Pinus massoniana plantations)

  2. Harvest season & geographic region

  3. Batch-specific extraction records

  4. Processing logs under GMP

Our pine bark supply chain is long-term, stable, and continuously audited.


5. Production Under ISO / HACCP / GMP

Our production facility complies with:

  • ISO 9001

  • ISO 22000 / HACCP

  • GMP (Good Manufacturing Practice)

  • Food-grade processing protocols

Process Controls Include:
✔ Solvent residue monitoring
✔ Polyphenol stability checks
✔ In-process HPLC verification
✔ Metal screening by ICP-MS
✔ UV spectral normalization


6. Third-Party Testing Available

On request, we provide:

  • HPLC quantification of OPCs

  • UV-Vis polyphenol assays

  • ICP-MS / AAS heavy metal analysis

  • GC-MS pesticide screening

  • Microbial testing (TVC, Yeast/Mold, E. coli, Salmonella)


7. Product Source

  • Botanical Name: Pinus massoniana / Pinus pinaster

  • Part Used: Bark

  • Extraction Method: Water–ethanol extraction

  • Standardization: 95% OPC (HPLC) or custom specifications


8. Key Features & Benefits (Non-medical, formulation-oriented)

  1. High polyphenol content with strong antioxidant performance

  2. Excellent stability for tablets, capsules, premixes, and beverages

  3. Good solubility and mixability in aqueous systems

  4. Neutral flavor profile suitable for food and drink applications

  5. Versatile functionality for skincare and beauty formulations


9. Traditional Uses (Historical Context, Non-medical)

Historically, pine bark was used in European and Asian traditions as a source of natural tannins and polyphenols for tonics, herbal beverages, and topical preparations. Modern extraction methods now provide standardized OPC concentrations with consistent quality.


10. Recommended Usage (General Guidance Only)

  • Dietary Supplements: 50–200 mg/day (as part of finished product formulations)

  • Functional Beverages: 10–50 mg per serving

  • Cosmetics: 0.1–1% in serums, creams, and antioxidant blending

(Manufacturers should adjust according to product positioning and regional regulatory requirements.)


11. Best Formulation Practices

  • Combine with Vitamin C for synergistic antioxidant performance

  • Use maltodextrin or cyclodextrins as carriers for beverage stability

  • Ideal pairing for grape seed extract, resveratrol, green tea extract

  • Microencapsulation recommended for high-temperature applications


12. Specifications & COA (Sample Format)

Certificate of Analysis (Excerpt)

A. Pesticide Residues

Item Limit Method
Organochlorine Pesticides ≤ 0.1 ppm GC-MS
Organophosphorus Pesticides ≤ 0.2 ppm GC-MS
Pyrethroid Pesticides ≤ 0.2 ppm HPLC
Carbamate Class ≤ 0.5 ppm LC-MS/MS

B. Heavy Metals

Item Limit Method
Lead (Pb) ≤ 2.0 ppm ICP-MS
Arsenic (As) ≤ 1.0 ppm ICP-MS
Cadmium (Cd) ≤ 0.5 ppm ICP-MS
Mercury (Hg) ≤ 0.1 ppm ICP-MS

C. Microbiology

Item Limit Method
Total Plate Count ≤ 1,000 cfu/g GB/T 4789
Yeast & Mold ≤ 100 cfu/g GB/T 4789
E. coli Negative USP
Salmonella Negative USP
Staphylococcus aureus Negative USP

13. Production Process Flow

  1. Raw material selection & inspection

  2. Bark crushing & pre-treatment

  3. Water–ethanol extraction

  4. Filtration & concentration

  5. Purification & enrichment of OPCs

  6. Spray drying or vacuum drying

  7. Milling & sieving

  8. Final QA inspection

  9. Packaging under GMP cleanroom conditions


14. Storage & Shelf Life

  • Storage: Cool, dry place; avoid direct sunlight

  • Shelf Life: 24–36 months (sealed)

  • Packaging: 25 kg fiber drum with double PE bags


15. Sample Policy & MOQ

  • Free sample herbal extract: 20–50 g available for testing

  • MOQ: 1 kg for new customers

  • Lead Time: 3–7 working days

  • Bulk shipping: DHL / FedEx / air freight / sea freight


16. Suitable Industries & Applications

  • Dietary supplements

  • Functional beverages

  • Beauty & skincare formulations

  • Food antioxidants

  • Pharmaceutical nutraceuticals


17. How to Use in Manufacturing

  • Mix into premix blends

  • Add during cooling phase of liquid formulations

  • Suitable for direct compression or encapsulation

  • Works well in effervescent powders and gummies


18. Factory Strengths & Experience

AIHerba® (Shaanxi Zhonghong Investment Technology Co., Ltd.)

  • 28+ years extraction experience

  • GMP + ISO certified botanical extract manufacturer

  • Specialized in bulk herbal extracts, OEM, and customized herbal extract solutions

  • Global clients in 40+ countries

  • Strong R&D team with HPLC, GC-MS, ICP-MS capability


19. Contact & Verifiable Information

📧 sales@aiherba.com
📧 info@aiherba.com
📧 liaodaohai@gmail.com
🌐 www.aiherba.com


20. Frequently Asked Questions (FAQ)

1. Do you offer bulk Pine Bark Extract with third-party testing?

Yes. HPLC/UV, microbial, heavy metal, and pesticide analysis are available on request.

2. Can you customize OPC levels?

We offer customized herbal extract specifications based on OPC%, polyphenol %, or solvent preference.

3. Do you support OEM/ODM?

Yes—tablets, capsules, blends, premixes, and functional beverages.

4. Is your Pine Bark Extract food-grade?

Yes. Produced under ISO / HACCP / GMP with complete documentation.


21. References (PubMed & Regulatory Sources)

  • PubMed ID: 20384847 – Polyphenolic content in pine bark

  • NIH – Dietary polyphenols overview

  • EFSA polyphenol safety guidelines

  • FDA GRAS database references for similar plant polyphenols

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