Grape seed extract

Vitaflavan

Extract from white grape seeds. Known for its purity and chemical properties, Vitaflavan is guaranteed to have a high content of short oligomers of catechin and epicatechin, molecules that enhance the ingredient’s bioavailability and the beneficial activity of the extract in dietary supplements and functional foods.

Applications

  • Physiological activity: Antioxidant/venotonic effect
  • Recommended daily dose: between 60 and 120 mg
  • Applications: dietary supplements: tablets, tablets/capsules functional food: yogurts, juices, cereal bars, compotes
Find out more

Total polyphenols

> 96

Monomers

< 25

Dimers + trimers

> 30

Procyanidin content (GPC)

> 75

Procyanidin content (Porter)

70

Antioxidant activity, ORAC (μmol teq/g)

19000

Drying losses (%)

6.0

Method: PH.EUR.2.2.32

Insoluble in water at 37°C (%)

3.0

Method: DRT 3882

Sulfur ash (%)

0.5

Method: PH.EUR.2.4.14

Insoluble in THF (%)

1

Method: DRT 3884

pH at 20°C

between 2.5 and 4.5

Method: DRT 3302

UV absorption at 281 nm

between 145 and 175

Method: PH.EUR.2.2.25

Residual solvent: ethyl acetate (mg/kg)

10.00

Method: DRT 1251

STORAGE & STABILITY

Stable for 5 years when stored in its original sealed packaging at room temperature, in a dry place away from air and light.

PACKAGING

The product is available in 1.5 and 10 kg packs.

CUSTOMS TARIFF

13 02 19

CAS

85594-37-2

EINECS

287-896-9

HEALTH & NUTRITION

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