Sell Grape Seed Extract & Pine Bark Extract

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Grape seed extract is as follows:
1. Grape seed polyphenols:
A. 95% by UV, folin assay
B. 95% polyphenols with 15% phenolic monomers including
Catechin, epicatechin, ECG, etc. By UV, Folin Assay and HPLC
C. 90% by UV, folin assay
D. 90% polyphenols with 10% phenolic monomers including
Catechin, epicatechin, ECG, etc. By UV, Folin Assay and HPLC
2. Grape seed proanthocyanidins(OPCs) 95% by UV, Beta-Smith Assay

Grape Skin Extract is derived from the skin of grapes and can be used as a supplement for anti-oxidant health products. The specification is as follows:
1. 5% anthocyanidins
2. 25% anthocyanidins

Pine Bark Extract is as follows:
1. 95% Proanthocyanidins by UV, Beta-Smith Assay
2. 90%polyphenols by UV