Grape Extract

Grape extract can be made from grape seeds, grape skins, and/or grape pomace. Grape extract is generally sold in pill or powder form.

The effectiveness of grape extract products is determined in large part by the grape types used and the method of extraction:

Grape Types

Vitis Vinifera - These are noble Europen wine grapes such as cabernet sauvignon, syrah/shiraz, and pinot noir. These seeds, skin, and pomace contain flavonoids called proanthocyanidins which display strong antioxidant properties (i.e. they neutralize free radicals) and which can have a positive effect on the elasticity of blood vessels.

Vitis Rotundifolia - The muscadine grape is native to the Southeastern United States. Because of the hot and humid (i.e. disease prone) growing conditions in the Southeast, the seeds, skins, and pomace are packed with protective phenolic compounds; one such compound is the antioxidant resveratrol which has been proven in laboratory tests to extend life and fight cancer, alzheimers, and protect blood vessels. Other antioxidant phenolic compounds present in muscadine seeds are quercetin, ellagic acid, and OPC's.

Extraction

- A process by which proanthocyanidins and other grape seed components are concentrated into a solid form. Extraction is facilitated by using chemical solvents, heat, and/or water. It is important to find a grape extract product that does not contain excessive solvent residue or one whose extraction process does not destroy the proanthocyanidin's chemical structures.

Note: It is advisable that one perform adequate reseach before purchasing grape extract products to help ensure the active ingredients are as potent as possible. Please note that the active form of resveratrol - Trans Resveratrol - is highly susceptible to breakdown/spoilage.

Best,

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