Product Introduce
Grape Seed Extract Powder is one of the most popular and effective natural antioxidants on the market, widely recognized for its exceptional quality and reliable performance. As an professional manufacturer of herb products, Lonierherb Grape Seed Extract Powder is manufactured through advanced extraction and purification processes from natural grape seed, with standardized Proanthocyanidins (OPC) 95% tested by HPLC. Strict quality control ensures low heavy metals, high purity, and stable batch-to-batch consistency. Meanwhile, consistent particle size, low heavy metals, and it is full microbial control to meet international quality standards.
Widely used in dietary supplements, functional foods, beverages, and cosmetics. We support customized specifications, flexible packaging, and fast sample delivery. Backed by professional R and D and strict quality control, we provide stable supply and reliable service for global partners.
product advantage
1) It content 95% Proanthocyanidins Provides a high level of standardized proanthocyanidins, making it suitable for formulations requiring concentrated plant polyphenols
2) Commonly used to support antioxidant-oriented ingredient positioning in dietary supplement and functional food products
3) Contributes to overall formulation stability due to its well-defined content and consistent quality
4) Suitable for use in capsules, tablets, powders, and blended nutritional systems
5) Supports clean-label and plant-based product concepts with traceable botanical sourcing
6) Offers good compatibility with vitamins, minerals, and other botanical extracts in compound formulations
7) Widely applied in nutrition product development, ingredient research, and OEM/ODM projects requiring standardized botanical extracts

Technical Date Sheet
|
Product Name |
Grape Seed Extract Powder |
|
|
Botanical Name |
Vitis vinifera L |
|
|
Used Part |
Seed |
|
|
Test Items |
Specifications |
Test Methods |
|
Assay |
≥95.0% Proanthocyanidins |
HPLC |
|
Appearance |
Red Brown Fine Powder |
Visual |
|
Odor and Taste |
Characteristic |
Organoleptic |
|
Sieve analysis |
Through 80 mesh |
80 Mesh Screen |
|
Loss on Drying |
≤5.0 % |
105℃/2 hrs |
|
Total Ash |
≤5.0 % |
GB 5009.4-2016 |
|
Bulk Density |
40~60 g/100mL |
GB/T 18798.5 |
|
Tap Density |
50~80g/100mL |
GB/T 18798.5 |
|
Lead (Pb) |
<3.0mg/kg |
ICP-MS |
|
Arsenic (As) |
<2.0mg/kg |
ICP-MS |
|
Cadmium (Cd) |
<1.0mg/kg |
ICP-MS |
|
Mercury (Hg) |
<0.1mg/kg |
ICP-MS |
|
Total Aerobic Count |
≤1000cfu/g |
GB 4789.2 |
|
Yeast & Moulds |
≤100cfu/g |
GB 4789.15 |
|
E-Coli |
Negative |
GB 4789.3 |
|
Salmonella |
Negative |
GB 4789.4 |
|
Staphylococcus Aureus |
Negative |
GB 4789.10 |
Lonierherb Certificate

How Powerful Is the Antioxidant Activity of Grape Seed Extract?
Grape Seed Powder is rich in proanthocyanidins (OPCs), one of the most potent natural antioxidants from plants. Compared with traditional antioxidants such as Vitamin C and Vitamin E, it shows higher free radical scavenging capacity, better stability, and stronger cell protection.
Its unique molecular structure allows excellent bioavailability and easy absorption in formulations. It also supports longer-lasting antioxidant effects, helping to resist oxidation and maintain product stability. These advantages make it is widely used in dietary supplements, functional foods, beverages, and cosmetics, and highly trusted by global customers.
Third Party Test Report

What Are main Applications of Grape Seed powder?
● Used in capsule and tablet products designed for high polyphenol formulations where standardized proanthocyanidin content is required
● Applied in functional beverage powders and sachets, supporting uniform dispersion and consistent ingredient loading
● Incorporated into beauty-from-within nutrition products, including complex botanical blends and powdered mixes
● Utilized in cosmetic and personal care formulations such as creams, serums, and masks as a plant-derived active ingredient
● Applied in food ingredient premixes for further processing, including bars, chews, and dry nutrition systems
● Used in R and D and formulation trials for content validation, stability assessment, and compatibility testing
● Suitable for OEM/ODM and export-oriented projects requiring high-standardized botanical extracts with full technical documentation

Package and Delivery Time

Professional Supplier

As a professional Grape seed extract powder 95%Proanthocyanidins supplier, LonierHerb offers reliable quality, consistent availability, competitive pricing, and complete third-party testing support. Sample quantities of 10–10 g can be provided in advance for evaluation prior to shipment. Upon successful testing confirmation, we will promptly arrange production and delivery.Feel free to contact us at any time. Email: info@lonierherb.com WhatsApp/WeChat: +86-13289383216
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