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$50
1-199 Kilogram
$40
200-499 Kilogram
$30
≥500 Kilogram
Product Description
Pine Bark Extract is a botanical ingredient produced from the bark of selected pine species and concentrated for naturally occurring polyphenols, especially procyanidins. It is widely used in dietary supplements, antioxidant formulations, capsules, tablets, and functional nutrition products, with commercial grades commonly specified by procyanidin or oligomeric proanthocyanidin content.
Pine bark contains a complex mixture of flavonoids, phenolic acids, and procyanidins rather than one isolated chemical compound. For B2B sourcing, the most important specification is therefore not a single molecular identity but the botanical source, extraction process, marker definition, assay method, and standardized polyphenol or procyanidin level.
| Item | Specification |
|---|---|
| Product Name | Pine Bark Extract |
| Product Category | Standardized Botanical Extract / Antioxidant Ingredient |
| Botanical Source | Bark of selected Pinus species, specified according to the raw-material program |
| Plant Part Used | Bark |
| Primary Marker | Procyanidins / oligomeric proanthocyanidins, depending on specification and analytical definition |
| Common Grades | Standardized grades commonly include approximately 50%, 70%, 90%, and 95% procyanidins or related polyphenol specifications; custom grades available |
| CAS Number | Not applicable to the complete botanical extract because it is a multi-component mixture |
| Molecular Formula | Not applicable to the complete botanical extract because it contains multiple phenolic compounds |
| Molecular Weight | Not applicable to the complete botanical extract because it is not a single compound |
| Appearance | Reddish-brown to brown fine powder |
| Solubility | Generally dispersible or partially soluble in water depending on extract concentration and processing |
| Test Method | UV-visible spectrophotometry or other validated polyphenol/procyanidin methods; HPLC may be used for selected constituent profiling |
| Particle Size | Fine powder; particle size can be customized to formulation and processing requirements |
| Quality Testing | Identity, marker content, heavy metals, microbiological parameters, residual solvents where relevant, and moisture |
| Shelf Life | Commonly 24 months when stored in suitable sealed packaging under recommended conditions |
| Storage | Store in a cool, dry place away from direct sunlight, heat, and moisture |
| Packaging | 1 kg and 5 kg aluminum foil bags, 25 kg fiber drums, and customized bulk packaging |
| MOQ | Flexible commercial quantities with bulk and customized programs supported |
| Applications | Dietary supplements, antioxidant formulas, capsules, tablets, powders, functional nutrition products, and compatible cosmetic formulations |
The defining procurement issue for Pine Bark Extract is how the procyanidin or OPC specification is established. Different suppliers may use similar percentage claims while applying different analytical definitions or methods. A percentage value should therefore be reviewed together with the marker name, assay principle, reference standard, and certificate of analysis.
| Specification Approach | What It Indicates | Buyer Consideration |
|---|---|---|
| Total Polyphenols | Measures a broad group of phenolic compounds within the extract | Useful for general antioxidant-oriented standardization, but does not specifically quantify procyanidins alone |
| Procyanidins | Targets condensed flavanol structures that are characteristic components of pine bark extracts | Confirm the analytical method because results can vary according to assay chemistry and calibration |
| OPC Specification | Commercial terminology often used for oligomeric proanthocyanidin-rich extracts | Do not compare percentages without confirming what the supplier defines and measures as OPC |
| HPLC Profile | Provides more detailed information about selected individual or grouped phenolic constituents | Useful for identity support and advanced quality comparison but may not directly replace a total procyanidin assay |
A high standardized percentage can appear attractive, but the number is only meaningful when the analytical basis is clear. Colorimetric and spectrophotometric methods can respond differently to various phenolic structures, while HPLC targets specific compounds or profiles. Procurement teams should therefore compare like-for-like methods rather than ranking extracts only by the highest stated percentage.
For repeatable production, the raw-material specification, test method, acceptance range, and COA terminology should remain aligned. This makes incoming quality control more reliable and reduces the risk of treating chemically different pine bark extracts as equivalent simply because their commercial grade descriptions look similar.
| Product Requirement | Suitable Specification Focus | Formulation Logic |
|---|---|---|
| General Antioxidant Supplement | Moderate to high standardized polyphenol or procyanidin grade | Balances standardized composition, dosage flexibility, and commercial cost |
| Premium Capsule or Tablet | Higher-concentration standardized extract | Allows a greater marker contribution within limited capsule or tablet space |
| Powder Blend | Standardized extract selected for flavor, color, dispersibility, and target marker level | Higher concentration is not always the only priority because sensory and mixing characteristics also matter |
| Combination Antioxidant Formula | Clearly standardized extract with compatible assay documentation | Supports controlled use alongside ingredients such as vitamin C, resveratrol, or other botanical Antioxidants |
| Cosmetic Formulation | Specification selected for purity, solubility, color, and formulation compatibility | Appearance and formulation behavior can matter as much as the marker percentage |
Pine Bark Extract has a naturally strong reddish-brown color and a characteristic astringent botanical taste. These properties should be considered in powders, beverages, chewable products, and gummies where sensory impact is more visible than in capsules. Higher extract concentration can reduce the required dose but may also influence flavor intensity and processing behavior.
For multi-ingredient products, compatibility should be evaluated according to pH, moisture, processing temperature, dosage form, and other antioxidant ingredients. The target standardized marker should be calculated from the actual extract specification rather than simply from total powder weight.
Reliable Pine Bark Extract sourcing requires botanical identity control and consistent marker testing. Production under GMP-standard conditions can be supported by in-house R&D and analytical testing, with per-batch verification covering key chemical, microbiological, and contaminant parameters.
Standardization makes Pine Bark Extract easier to formulate and compare than an extract defined only by plant name or extraction ratio. A well-constructed specification identifies the botanical source, marker compound group, analytical method, acceptance range, and contaminant limits so purchasing teams and formulators can evaluate consistent material across commercial batches.
Standard bulk packaging includes 1 kg and 5 kg aluminum foil bags and 25 kg fiber drums, with customized packaging available for different purchasing programs. The extract should remain tightly sealed and protected from excessive moisture, heat, and direct light during storage and transportation to maintain appearance and chemical stability.
Pine Bark Extract can be incorporated into customized capsules, tablets, powders, gummies, and other suitable nutritional products. OEM and private-label services can include formula development, ingredient combination, dosage-form selection, flavor adjustment where required, finished-product manufacturing, labeling, and customized retail packaging.
The key specification is usually the standardized procyanidin, OPC, or total polyphenol level together with the analytical method used to measure it. Buyers should also confirm botanical source, plant part, extraction information, contaminant limits, and batch documentation rather than comparing products only by the percentage shown in the product name.
No. Total polyphenols describe a broad chemical group, while procyanidins are a more specific class of condensed flavanols. OPC is commonly used as a commercial term for oligomeric proanthocyanidin-rich material. Because assay definitions differ, procurement teams should confirm the exact marker and method before comparing percentage specifications.
A moderate standardized grade can be suitable for general antioxidant formulas and cost-sensitive applications, while higher-concentration grades are often useful when capsule space or target marker delivery is important. The best grade depends on dosage form, target serving level, analytical specification, sensory requirements, and formulation cost rather than concentration alone.
Commercial buyers commonly review the COA, TDS, SDS, botanical identity information, marker specification, test method, heavy metals results, microbiological limits, residual solvent data where relevant, and storage information. Using the same marker definition and analytical basis for purchasing and incoming inspection helps improve batch-to-batch consistency.
Pine Bark Extract is a versatile standardized botanical ingredient for antioxidant and wellness formulations. For B2B sourcing, the strongest specification combines a clearly identified botanical source with an appropriate procyanidin or polyphenol target, defined analytical method, contaminant controls, and dosage-form compatibility rather than relying on a percentage claim alone.
Contact us today to request samples, a COA, technical documents, and a wholesale quotation for Pine Bark Extract.

Packaging & Delivery
| Selling Units: | Kilogram |
|---|
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