Specification :

Grape Seed Extract
Latin name: Vitis vinifera L.
Active Ingredient: Procyanidins ( OPCs) ; Polyphenols ( PP)
Procyanidins:
Molecular formula: C30H26O12
Molecular Weight: 578.53
Procyanidins B1( CAS# : 29106-49-8) Procyanidins B2 ( CAS# : 20315-25-7)
Procyanidins B3 ( CAS# : 23567-23-9) Procyanidins B4 ( CAS# : 29106-51-2)
Part of the Plant Used: Seed
Appearance: Fine Red Brown Powder
Test Method: UV
Function:
1. Procyanidins is an efficient antioxidant and the most effective free radical scavenger, having a very strong activity in the body and rapidly absorbed completely;
2. Vascular enhancer;
3. It can reduce the probability of the diabetes;
4. Increasing the elasticity and smoothness of the skin, Preventing the skin from the radiation damage of the sun' s rays.
Specification: 70% , 85% , 95% ;