Grape Seed P.E,China price supplier

Quality and Specification

a. Proanthocyanidins >95%,Proanthocyanidins B2>1.8%, Oligomers >60%

b. Proanthocyanidins > 95%

c. Proanthocyanidins B2 1.8%, 6%, 10%

d. Flavone > 95%

e. Polyphenol >85%, monomers >10%, oligomers> 60%

f. Code pressed grape seed oil