Are you looking for a trustworthy supplier of that offers continuous quality and consistent supply? We have been dedicated to producing and selling natural plant extracts at NT Biotech (Shaanxi New Things Biotech) for over 10 years to more than 40 countries. In addition, our company is equipped with a highly professional research and development unit, separate quality control, and upgraded manufacturing capacity. Our main customers are from the food, drink, supplement, and nutraceutical sectors, our company provides TOP-QUALITY botanical ingredients.
A pure grape seed extract also contains oligomeric proanthocyanidins (OPC) – one of the most well-known natural antioxidants found in the highest-quality grape seed. All batches are tested to strict standards so they are as pure as possible, consistent in quality, safe to use. We use an international manufacturing process that complies with international standards of quality and have also been certified by ISO9001, KOSHER and HALAL certificates that meet the requirements of the global market.
Being the developer of functional beverage, health food, nutrition-supplements or antioxidants, our company provides you with reliable raw materials, sound technical support and flexible OEM (Original Equipment Manufacturer) & B2B (Business to Business) service solutions.

Grape seeds are a great source of natural botanical elements, therefore it produces the highest quality grape seed extract through advanced technology to extract and purify the seeds of grapes that have been specially chosen. It is a very good source of Oligomeric Proanthocyanidins (OPCs) and other natural polyphenols, which are considered the most powerful antioxidants found in plants.
Pure grape seed extract is a completely natural antioxidant because of its plant.origin, making it an excellent choice for clean-label formulation. Due to its better antioxidant stability, and wide range of health benefits, grape seed extract is now frequently used as a preferred ingredient in many functional food products, healthy beverages, dietary supplements, and wellness products around the world.

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Product and Batch Information |
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Product Name: |
Grape Seed Extract |
Latin Name: |
Vitis vinifera |
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Plant Part: |
Seed |
Manufacture Date: |
2026-05-26 |
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Batch: |
NT260526001 |
Analysis Date: |
2026-05-28 |
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Ananlysis: |
1500 Kg |
Report Date: |
2026-05-28 |
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Analysis Item |
Specification |
Result |
Test Method |
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Active Ingredeints |
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Assay Proanthocyanidins |
≥95% |
96.62% |
UV |
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Physical Control |
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Appearance |
Brownish Red Powder |
Complies |
Visual |
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Odor |
Characteristic |
Complies |
Organoleptic |
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Taste |
Characteristic |
Complies |
Organoleptic |
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Sieve Analysis |
100% pass 80 mesh |
Complies |
GB/T 5507 |
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Loss on Drying |
5% Max |
3.69% |
GB 5009.3 |
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Ash |
5.0% Max |
1.27% |
GB 5009.4 |
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Tap Density |
≥65.0g/cm3 |
Complies |
GB/T 21354 |
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Chemical Control |
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Arsenic (As) |
NMT2ppm |
Complies |
Atomic Absorption |
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Cadmium(Cd) |
NMT1ppm |
Complies |
Atomic Absorption |
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Lead (Pb) |
NMT3ppm |
Complies |
Atomic Absorption |
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Mercury(Hg) |
NMT0. 1ppm |
Complies |
Atomic Absorption |
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Heavy Metals |
10ppm Max |
Complies |
Atomic Absorption |
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Pesticides Residues |
NMT 1ppm |
Complies |
Gas Chromatography |
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Microbiological |
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Total Plate Count |
1000cfu/g Max |
300cfu/g |
GB4789.2 |
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Salmonella |
Negative |
Negative |
GB 4789.4 |
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Yeast & Mold |
100cfu/g Max |
<10 |
GB4789.15 |
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E.Coli |
Negative |
Negative |
GB 4789.3 |
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Staphylococcus |
Negative |
Negative |
GB 4789.10 |
People are looking for natural foods and ingredients that promote long-term health. Pure grape seed extract is an excellent natural food ingredient because of its multiple health benefits, in addition to being a great fit for clean label product development.
Advantages:
The biggest benefit of Quality Grape Seed Extract is its powerful antioxidant properties, because OPC's, as powerful antioxidants, neutralise the free radicals that cause oxidative stress to cells and ageing of cells. Research has demonstrated that grape seed extract OPC's have antioxidant capacity that far exceeds that of Vitamin C and Vitamin E, so they are a very popular choice for incorporating into anti-aging and wellness products.
Some of the possible benefits of grape seed extract include the following:
Pure grape seed extract is an established supplement for cardiovascular health support.
Polyphenols in grape seed extract can help to:
Grape seed extract is commonly used in dietary supplements for heart health due to its applications for heart health and appears in many functional beverages due to its cardiovascular benefits.
Red grape seed extract is a featured ingredient in the ever-growing line of ‘beauty from within’ products. It contains antioxidant compounds that may:
A multitude of supplemental beauty products contain grape seed extract, with other ingredients like collagen, hyaluronic acid or vitamin C added to increase the overall skin health.
Oxidative stress causes gradual damage to eye tissues with time
Grape seed extract's OPC is a potent antioxidant that can improve:
For the reasons listed above, more and more eye health products being produced for office workers and digital device users are including grape seed extract in their formulas.
Grape seed extract contains polyphenols that are beneficial in promoting the functioning of the natural defense mechanism of the body by oxidative stress and Healthy inflammatory response.
Grape seed extract is not intended for diagnosing or healing but still, it is included in many everyday wellness products to help maintain the total balance of the immune system.

As consumers continue to look for natural, functional ingredients. Pure Grape Seed Extract has emerged as an excellent ingredient choice for the development of new types of food and beverages.
Some examples of how Grape Seed Extract is currently being used include:
Red Grape Seed Extract disperses very easily in water, and can therefore be used in a wide variety of products, such as antioxidant beverages, wellness drinks, fruit juices, sports nutrition drinks, and botanical beverages.
GRS Grape Seed Extract is a great option for many different types of products, including nutrition powders, meal replacement products, cereal blends, protein formulations, healthy snack products.
GRS Grape Seed Extract is used in a wide variety of dietary supplement products, such as capsules, tablets, gummies, sachets, softgels and powdered drink mixes.
Frequently found in conjunction with collagen peptides, hyaluronic acid, and coenzyme Q10, as well as ceramides, vitamin C, plus many other ingredients that are widely known to be part of the beauty category.
Healthy aging products are another excellent ingredient to include in an anti-aging nutritional formula that is designed to support the healthy process of aging and provides protection to cells.

Competitive price is not the sole criterion for the purchase of botanical extract. We have established a long-term cooperative relationship with many of our clients due to the fact that we are able to provide:
Whether you are a Brand Owner, Distributor, Contract Manufacturer or Ingredient Importer, we can help make your sourcing process easier.

Q1: What is the standard specification for grape seed extract?
A1: The most common (commercial) specification is a 95% OPC (Oligomeric Proanthocyanidins) content, which provides a very high level of antioxidant capacity and is the most widely accepted and used by international dietary supplement companies.
Q2: Can grape seed extract be used in beverages?
A2: Yes, grape seed extract is widely used in functional beverages, antioxidant beverages, nutrition beverages and powdered drink mixes due to its natural antioxidant properties.
Q3: Can other ingredients be blended with grape seed extract?
A3: It is combined with either collagen or hyaluronic acids, vitamin c along with other additions of resveratrol (grape seeds), coenzyme Q10, and lutein amongst others.
Q4: Would you consider Grape Seed Extract a Natural Ingredient?
A4: Grape seed extract is extracted without any synthetic antioxidant added; therefore it can be classified as a natural ingredient. This makes it ideal to use for Clean Label applications.
Q5: What are the certifications that NT Biotech holds?
A5: NT Biotech’s production processes have been accredited under ISO9001, HALAL, and KOSHER standards; therefore, we are qualified to supply products to clients who sell to international markets.
Q6: Who is the usual customer for Grape Seed Extract?
A6: Our customers are dietary supplement brands, functional drink manufacturers, food ingredient distributors, pharmaceutical companies, nutraceutical producers and cosmetic ingredient suppliers from all over the world.
Natural antioxidants are becoming increasingly important to consumers globally, and pure grape seed extract is among the most popular natural antioxidants in the food & beverage, nutrition, and wellness space today. It contains a high concentration of OPCs (Oligomeric Proanthocyanidins), has excellent antioxidant performance, and is very versatile in product formulation, making it one of the most valuable botanical extracts available today for new product development.
NT Biotech provides high-quality plant extracts through stringent quality measures and stable production standards, along with technical support from our trained staff and logistics around the globe. With more than ten years of experience in this business, an exceptional R&D team, strict and fixed quality control, and top class international certifications, we will become your reliable supply partner in the long term.

If you require a reliable source of quality grape seed extract, we are here to help you.
NT Biotech (Shaanxi New Things Biotech)
Email: info@newthingsbiotech.com
We invite distributors, manufacturers, and brand owners globally to contact us and look forward to developing long-term relationships.