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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.
Shijiazhuang Jianhe Biotech Co.,LtdJianhe Biotech has three sets of advanced production lines.8500MT of raw materials processed capacity annually and more than 700MT of Herbal Extracts supplied one year.
Our main products are as below:
Grape Seed Extract, Pine Bark Extract, Cranberry Extract, Blueberry Extract, Lycopene, Astaxanthin, Beta-carotene,
Lutein, Rebaudioside A, Steviosides, Luohan guo Extract, Resveratrol, Rhodiola Rosea Extract, Feverfew Extract, Pomegranates Husk Extract, Ginseng Root Extract, Milk Thistle Extract, 5-HTP, Ursolic Acid, Epimedium Extract, Yohimbine Extract, Siberian Ginseng Extract, Echinaca Purpurea Extract, Olive Leaf Extract, Green Coffee Bean Extract, St John’s wort Extract, Honeysuckle Flower Extract, Tribulus Terrestris Extract, White willow Bark Extract, Wild Yam Extract, Kuzu Root Extract, Green Tea Extract.
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