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Natural Grape Seed Extract Proanthocyandins 95%,Polyphenol 90%- Factory offered

min.order / fob price
≥1 piece
Production Capacity3-6MT per month
Update Time2014-11-21
company profile
Shijiazhuang Jianhe Biotech Co.,Ltd
Contact: Ms.Yoyo Liu
Tel: 86-0311-83506700
Number of Employees: 20 ~ 50
Business Type: Manufacture & Trade
product details
Model No:GSE-2013
Brand:Jianhe Biotech

  Specifications :                                                          
-Proanthocyanidins 99% 95%
-Polyphenols 95% 90% 85% 80%;
-Oligomeric Proanthocyanidins 15% 20% 30% 40%;
-ORAC8000-18000umol/g (Brunswick Lab Tested),                     
-Water soluble GSE 8-10g dissolved in 100ml purified water  25
o C
Latin Name : Vitis Viniferal L.
Appearance : Fine Red Brown Powder
Part of the Plant Used : Seed
CAS No .: 84929-27-1
Introductions :
Proanthocyanidin (PA or PAC), also known as procyanidin, oligomeric proanthocyanidin (OPC), leukocyanidin, leucoanthocyanin and condensed tannins, is a class of flavanols. Proanthocyanidins are essentially polymer chains of flavonoids such as catechins. One was discovered in 1936 by Professor Jacques Masquelier and called Vitamin P, although this name did not gain official category status and has since fallen out of usage. It was Masquelier who first developed techniques for the extraction of proanthocyanidins from certain plant species.
Polyphenols are a group of chemical substances found in plants, characterized by the presence of more than one phenol unit or building block per molecule. Polyphenols are generally divided into hydrolyzable tannins (gallic acid esters of glucose and other sugars) and phenylpropanoids, such as lignins, flavonoids, and condensed tannins.

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