[Latin Name] Vitis vinifera Linn

[Plant Source] Grape seed from Europe

[Specifications] 95%OPCs；45-90% polyphenols

[Appearance] Red brown powder

[Plant Part Used]: seed

[Particle size] 80 Mesh

[Loss on drying] ≤5.0%

[Heavy Metal] ≤10PPM

[Pesticide residue] EC396-2005, USP 34, EP 8.0, FDA

[Storage] Store in cool & dry area, keep away from the direct light and heat.

[Shelf life] 24 Months

[Package] Packed in paper-drums and two plastic-bags inside.

[Gerneral feature]

1. Our product has passed the ID test by ChromaDex, Alkemist Lab. and other

third-party authoritative testing institutions, such as detection;

2. The pesticide residues match (EC) No 396/2005 USP34, EP8.0, FDA and other foreign pharmacopoeia standards and regulations;

3. The heavy metals in strict accordance with the foreign pharmacopoeia standard controls, such as USP34, EP8.0, FDA, etc.;

4. Our company set up a branch and import raw materials directly from Europe with strict control of heavy metal and pesticide residue. Aslo ensure the procyanidins content in grape seed is more than 8.0%.

5. OPCs over 95%, polyphenol over 70%, high activity, the oxidation resistance is strong, the ORAC more than 11000.

[Function]

Grapes (Vitis vinifera) have been heralded for their medicinal and nutritional value for thousands of years. Egyptians ate grapes a very long time back, and several ancient Greek philosophers spoke about the healing power of grapes — usually in the form of wine. European folk healers made an ointment from the sap of grapevines to treat skin and eye diseases. Grape leaves were used to stop bleeding, inflammation, and pain, such as the kind brought on by hemorrhoids. Unripe grapes were used to treat sore throats, and dried grapes (raisins) were used for constipation and thirst. Round, ripe, sweet grapes were used to treat a range of health problems including cancer, cholera, smallpox, nausea, eye infections, and skin, kidney, and liver diseases.

Grape seed extracts are industrial derivatives from whole grape seeds that have a great concentration of vitamin E, flavonoids, linoleic acid and phenolic OPCs. The typical commercial opportunity of extracting grape seed constituents has been for chemicals known as polyphenols having antioxidant activity in vitro.

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Polysaccharides are long carbohydrate molecules of monosaccharide units joined together by glycosidic bonds. They range in structure from linear to highly branched. Polysaccharides are often quite heterogeneous, containing slight modifications of the repeating unit. Depending on the structure, these macromolecules can have distinct properties from their monosaccharide building blocks. They may be amorphous or even insoluble in water.[1][2]

When all the monosaccharides in a polysaccharide are the same type, the polysaccharide is called a homopolysaccharide or homoglycan, but when more than one type of monosaccharide is present they are called heteropolysaccharides or heteroglycans.[3][4]

Examples include storage polysaccharides such as starch and glycogen, and structural polysaccharides such as cellulose and chitin.

Polysaccharides have a general formula of Cx(H2O)y where x is usually a large number between 200 and 2500. Considering that the repeating units in the polymer backbone are often six-carbon monosaccharides, the general formula can also be represented as (C6H10O5)n where 40≤n≤3000. Source of the article published in description is Wikipedia. I am sharing their material. © by original content developers of Wikipedia.
Link- https://en.wikipedia.org/wiki/Main_Page Biochemistry, 4th Edition
Donald Voet, Judith G. Voet
November 2010, ©2011