Best Natural Grape Skin/Peel Extract Polyphenols & Resveratrol Powder for Healthcare Supplement Manufacturers, Suppliers

Grape skin/peel extract is a pigment containing monomeric and polymeric polyphenols extracted from red grape skin, mainly including anthocyanins, resveratrol, and flavonoids.

Product Description

Product Specification

Grape Skin Extract Technical Data Sheet
Sense Index
Appearance Reddish Brown powder
Odor & Taste Characteristic
Physical-chemical Index
Polyphenols (UV) 10%-30%
Particle Size 98% pass 80 mesh
Loss on drying 5% Max
Ash 5% Max
Heavy metals 10ppm Max
Lead 2ppm Max
Arsenic 2ppm Max
Mercury 0.1ppm Max
Cadmium 1ppm Max
Microbiology Index
Total plate count 1,000cfu/g Max
Mold & yeast 100cfu/g Max
Enterobacteriae 10cfu/g Max
E.Coli Absent in 10g
Salmonella Absent in 25g
Statements & Packaging
Statements Non-Irradiated, Non-GMO
Packaging 1kg/aluminium foil bag, 25kg/drum (37*37*50cm)
Shelf Life 24 months stored in original packaging away from the light, and under the optimal temperature 10~25℃.

Introduction to Grape Skin Extract

Grape Skin Extract is a natural active ingredient derived from the skin of wine grapes (Vitis vinifera), primarily obtained through solvent extraction or supercritical CO₂ extraction. Its core active components are Polyphenols, typically standardized to over 30% content. It also contains resveratrol, vitamin E, and other antioxidants.

The extract appears as a brownish-red to light brown powder with good water solubility and strong antioxidant properties. Initially a byproduct of winemaking, grape skin are now globally recognized as a representative plant-based antioxidant, widely used in the food, health product, and cosmetics industries.

Grape skin extract

Efficacy of Grape Skin Extract

The core efficacy of Grape Skin Extract stems from its potent antioxidant capacity. Proanthocyanidins effectively scavenge free radicals, inhibit lipid peroxidation, and protect cells from oxidative damage. They enhance vascular elasticity, reduce capillary permeability, and improve microcirculation.

Their anti-inflammatory effects help alleviate joint inflammation and skin allergies. Studies indicate they can mitigate skin damage from UV radiation and delay photoaging. Additionally, Grape Skin Extract exhibits potential anti-edema effects, improves vision, assists in lowering cholesterol, and inhibits the proliferation of certain cancer cells, making it a comprehensive natural health-protective component.

Grape skin extract

Application Fields of Grape Skin Extract

Grape Skin Extract is primarily used in antioxidant health products, such as capsules or tablets for anti-aging, cardiovascular protection, and vision improvement. It serves as a natural antioxidant additive in functional foods and beverages. The cosmetics industry extensively incorporates it into anti-aging, sun protection, and reparative skincare products.

In the pharmaceutical field, it is used to develop drugs for improving varicose veins and assisting in the treatment of chronic inflammation. The food industry employs it as a natural preservative to prevent oil rancidity. Additionally, it is applied in sports nutrition products, pet antioxidant supplements, and medical foods. Nano-encapsulation technology is expanding its use in precision nutrition and therapy.

Grape skin extract

Frequently Asked Questions

Q1: What are the main active components in Grape Skin Extract?

The primary active components are polyphenols, typically standardized to a content of 10% to 30%. It also contains valuable antioxidants such as resveratrol and vitamin E.

Q2: What is the recommended shelf life and storage condition?

Grape Skin Extract has a shelf life of 24 months. It should be stored in its original packaging, kept away from direct light, and maintained at an optimal temperature between 10°C and 25°C.

Q3: Is the Grape Skin Extract Non-GMO and safe?

Yes, our Grape Skin Extract is certified Non-GMO and Non-Irradiated. It also strictly complies with microbiology and heavy metal safety standards, containing less than 10ppm of heavy metals in total.

Q4: How does Grape Skin Extract benefit skin health?

Due to its high concentration of proanthocyanidins and antioxidants, it protects skin cells from oxidative stress, mitigates damage from UV radiation, and delays signs of photoaging.

Q5: In what industries is Grape Skin Extract commonly applied?

It is widely utilized in the production of dietary supplements (for cardiovascular and eye health), anti-aging cosmetics, functional foods and beverages, pharmaceuticals, and natural food preservation.

Q6: What are the packaging specifications?

Our standard packaging is 1kg in an aluminium foil bag for smaller quantities, or 25kg in a standard size drum (37*37*50cm) for bulk orders.

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