Grape Seed Extract

Latin Name:Vitis Vinifera L.
Part Used:Seed
Source of Plant:China
Active Ingredients:
Proanthocyanidins (monomers, oligomers, polymers)
Molecular Formula: C30H26O12(Dimer)
Molecular Weight:578(Dimer)
Molecular formula:(Dimer)
Grape Seed Extract



  • Main Function:
    Being one of the most powerful antioxidants that fights free radicals.
    Being 20 times more potent than Vitamin C and 50 times stronger than Vitamin E.
    Protecting the heart and blood vessel. 
    Improving retinopathy caused by diabetics, atherosclerosis, inflammation and aging.
    Improving athletic performance, memory and healthy lifestyle.
    Preventing and reversing Alzheimer Disease.
    Improving sexual function, PMS and menstrual disorders.
    Helping to treat ADD/ADHD.
    Anti-aging and Anti-wrinkle.
    Anti-cancer, Anti-inflammation and Anti- allergic Activity
  • Main Application:
    Grape seed extract can be made into capsules, troche and granule as healthy food. 
    High quality Grape seed extract, which has good solubility in water and ethanol plus the solution transparence and brilliance color, has been widely added into the beverage and the wine, cosmetics as the functional content.
    For the function of the strong anti-oxidant, Grape seed extract is widely added into all kinds of foods such as cake, cheese as the nurture, natural antiseptic in Europe and USA, and it has increased the safety of the food.
  • Specifications:
    Product Name Active Ingredients Content Testing Method Solubility in Water
    (1g/100ml water)
    Grape seed extract Proanthocyanidins 95% Bate-Smith Method 100%
    Polyphenols 80% Folin-C Method 100%
    Polyphenols 85% Folin-C Method 100%
    Polyphenols 90% Folin-C Method 100%
    Porter’s Value 250 Porter’s Method 100%
  • Flow Chart:
    Grape Seed Extracted with Ethanol Adsorbed with Macroporous Resin Desorption Vacuum ConcentratingVacuum Drying
  • Testing Standards:
    Appearance:Red Brown powder.
    Mesh Analysis:Pass 80 Mesh
    Bulk Density:40-50g/100ml 
    Loss on drying:<5%
    Carriers Used:None
    Extract Solvents:Water & Ethanol
    Heavy Metals:<10mg/kg
    Proanthocyanidins:≥ 95% (UV)
    Solubility in Water(1g/100ml):100%

    Total Bacteria:<1000cfu/g
    Yeast & Mold:<100cfu/g


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