Grape-Seed Extract Powder Proanthocyanidins/OPC Antioxidant

• Customization: Available
• Certification: ISO, HACCP
• Assay Method: HPLC-MS, HPLC, UV
• Model NO.: SQ153
• Application: Health Care Products, Medicine
• State: Powder
• Extract Source: Polygonum Multiflorum
• Transport Package: Paper Drum
• Specification: 25kg/paper drum
• Trademark: SQbiotech
• Origin: China
• HS Code: 2932999099
• Production Capacity: 10000kg/Month

Product Description

Items	Standards	Test Result
Physical Analysis
Description	Grape Seed Extract	Complies
Assay	Proanthocyanidins/OPC	95%
Mesh Size	80 mesh	Complies
Ash	≤ 5.0%	3.85%
Loss on Drying	≤ 5.0%	3.50%
Chemical Analysis
Heavy Metal	≤ 10.0 mg/kg	Complies
Pb	≤ 2.0 mg/kg	Complies
As	≤ 1.0 mg/kg	Complies
Hg	≤ 0.1 mg/kg	Complies
Microbiological Analysis
Residue of Pesticide	Negative	Negative
Total Plate Count	≤ 1000cfu/g	Complies
Yeast&Mold	≤ 100cfu/g	Complies
E.coil	Negative	Negative
Salmonella	Negative	Negative

 

Functions and Application Ranges of Proanthocyanidins - Grape Seed Extract

 

I. Functions

 

1. Powerful Antioxidant Activity
   • Proanthocyanidins are among the most potent antioxidants. They can scavenge free radicals such as superoxide anion radicals, hydroxyl radicals, and lipid peroxyl radicals more effectively than vitamins C and E. Free radicals are generated during normal cellular metabolism, exposure to environmental factors like ultraviolet radiation and pollution. By neutralizing these free radicals, proanthocyanidins help prevent oxidative damage to cells, including damage to DNA, lipids, and proteins.
   • For example, in the skin, proanthocyanidins can prevent the breakdown of collagen and elastin fibers, which are essential for maintaining skin elasticity and firmness. This antioxidant property also helps in reducing the signs of aging such as wrinkles and fine lines.
2. Cardiovascular Protection
   • Proanthocyanidins have beneficial effects on the cardiovascular system. They can inhibit the oxidation of low - density lipoprotein (LDL) cholesterol. Oxidized LDL is a key factor in the development of atherosclerosis. By preventing its oxidation, proanthocyanidins reduce the risk of plaque formation in the arteries.
   • They also have anti - platelet aggregation properties. Platelet aggregation can lead to the formation of blood clots, which can cause heart attacks and strokes. Proanthocyanidins help keep the blood vessels clear and improve blood flow by reducing the likelihood of clot formation.
3. Anti - Inflammatory Effects
   • Proanthocyanidins can modulate the body's inflammatory response. They inhibit the production and release of pro - inflammatory cytokines such as interleukin - 1β (IL - 1β), interleukin - 6 (IL - 6), and tumor necrosis factor - α (TNF - α). These cytokines play a central role in various inflammatory conditions, including arthritis, inflammatory bowel disease, and other chronic inflammatory disorders.
   • By reducing inflammation, proanthocyanidins can help alleviate pain and swelling associated with these conditions and may also contribute to the overall improvement of the body's immune function.
4. Vision Protection
   • Proanthocyanidins are beneficial for eye health. They can protect the retina from damage caused by oxidative stress and high - energy light such as blue light. The retina is a highly metabolically active tissue and is vulnerable to free - radical - induced damage. Proanthocyanidins can cross the blood - retinal barrier and provide antioxidant protection to the retinal cells.
   • They also have a role in improving ocular microcirculation, which is important for maintaining normal vision and preventing eye diseases such as macular degeneration and diabetic retinopathy.

 

II. Application Ranges

 

1. Nutraceuticals and Dietary Supplements
   • Proanthocyanidins - rich grape seed extracts are widely used in the nutraceutical industry. They are formulated into capsules, tablets, and softgels as dietary supplements. These supplements are often promoted for their antioxidant and anti - aging benefits. Consumers take them to support overall health, boost the immune system, and improve skin health.
2. Cosmetics and Skincare
   • In the cosmetics and skincare industry, proanthocyanidins are used in a variety of products. They are added to creams, lotions, serums, and masks. Their antioxidant and anti - inflammatory properties make them ideal for anti - aging skincare products. They can improve skin texture, reduce redness, and enhance skin's natural glow.

 

Factory photos:


Testing lab


Ware house

Packing way

FAQ

How to Confirm Product Quality Before Placing Orders?
 

For stock items, we will offer free samples in 20g to 50g. You only need to cover the express shipping cost to

get it for quality checking before placing your official order.If you're interested in OEM products, we'll

manufacture them according to your specifications and send them to you for confirmation.
 

Can I Place a Small Order?
 

Absolutely! Our minimum order quantity is 1kg, which will be carefully packed in a small, sealed aluminum foil

bag. We will ship you by express with the shipping cost at your account.
 

What Will Be The Payment Way?
 

Basically We prefer T/T. Well for very small orders, we can do by PayPal.
 

What's the Lead Time?
 

For normal stock items, we can deliver within 3 days. For big Qty orders or OEM orders, the lead time is typically

7-10 days.
 

What About After-Sales Service?
 

Our company name, Servqual, is derived from the words "Service" and "Quality," which underscores our

commitment to both excellent service and high-quality products. We believe that only by providing superior

service and maintaining top-notch quality can we build a lasting business. In our collaboration, you will deeply

experience this commitment.